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  • #include <iostream>
    using namespace std;
    
    int main(){
    	int pai=1;
    	int zuo=21; 
    	int sum=zuo; 
    	cout<<pai<<zuo<<sum;
    	do{
    		pai++;
    		zuo+=2;
    		sum+=zuo;
    		cout<<pai<<" "<<zou<<"
    	"<<sum<<endl:
    	}while(sum!=525)
    	cout<<"最后一排的坐位数"<<zuo<<endl;
    	cout<<"总排数:"<<pai<<endl:
    
    	return 0;
    }
    
    
    • ````language`

      #include <iostream>
      #include<cmath>
      using namespace std;
      
      int main(){
      	double x,y;
      	cin>>x;
      	long long num=1;
      	do{
      		num*=10;
      		y=x*num;
      	}while(fabs(y-(int)y)>1e-9);
      	cout<<(int)y;
      	int cnt=0,n=y;
      	while(n>0){
      		n/=10;
      		cnt++;
      	}
      	cout<<" "<<cnt;
      	return 0;
      }
      • using namespace std;
        
        int main(){
        	int n,sum=0,cnt=0;
        	cin>>n;
        	while(n>0){
        		sum+=n%10;
        		n=n/10;
        		cnt++;
        	} 
        
        	cout<<sum<<" "<<cnt;
        	return 0;
        }
        
        
        
        
        
        • ````language`

          #include <iostream>
          using namespace std;
          
          int main(){
          	int n,sum=0;
          	cin>>n;
          	for(int k=1;k<=1000;k++){
          		n=k;
          		sum=0;
          		for(int i=1;i<n;i++){
          			if(n%i==0) sum+=i;
          		}
          		if(sum==n) cout<<k<<" ";
          		
          	}
          
          	return 0;
          }
          • #include using namespace std;

            int main(){ int n,sum=0; cin>>n; for(int k=1;k<=1000;k++){ n=k; sum=0; for(int i=1;i<n;i++){ if(n%i0) sum+=i; } if(sumn) cout<<k<<" ";

            }
            
            return 0;
            

            }

            
            
            • #include <stdio.h>
              #include <stdlib.h>
              #include <conio.h>
              #include <time.h>
              #include <windows.h>
              #include <string.h>
              
              // 方向宏定义
              #define UP 1
              #define DOWN 2
              #define LEFT 3
              #define RIGHT 4
              #define ESC 5
              #define FOOD 10
              
              // 蛇身链表结构体
              typedef struct snake{
              	int x;
              	int y;
              	struct snake *next;
              }snake;
              
              // 全局变量
              int score = 0;
              int speed = 200;
              int status;
              snake *tail, *head;
              snake *food, *q;
              
              HANDLE hOUT;
              
              // 函数声明
              void gotoxy(int x, int y);
              int choice(void);
              int color(int c);
              void printGame(void);
              void printSnake(void);
              void printFood(void);
              void printTips(void);
              void snakeMove(void);
              int biteSelf(void);
              int encounterWall(void);
              void keyboardControl(void);
              void speedUp(void);
              void speedDown(void);
              int endGame(void);
              char *s_gets(char *st, int n);
              void frees(snake *);
              
              int main(int argc, char *argv[]){
              	while (1)
              	{
              		if (choice() == 1)
              			keyboardControl();
              		else
              		{
              			gotoxy(5, 15);
              			printf("按任意键返回");
              			getchar();
              			while (1)
              			{
              				if (getchar())
              				{
              					system("cls");
              					break;
              				}
              			}
              		}
              	}
              	frees(head);
              	return 0;
              }
              
              // 控制台光标跳转函数
              void gotoxy(int x, int y)
              {
              	COORD c;
              	c.X = x;
              	c.Y = y;
              	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), c);
              }
              
              // 主菜单
              int choice(void)
              {
              	int yourchoice;
              	gotoxy(35, 5);
              	color(11);
              	printf("\t贪吃蛇大作战\n");
              	printf("\n\n");
              	color(13);
              	printf("\t\t★★★★★★★★  Snake!");
              	printf("\t\t★★★★★★★★  Snake!");
              	gotoxy(25, 15);
              	color(12);
              	printf("1.进入游戏\t2.查看说明\t3.退出游戏\n");
              	color(11);
              	printf("请选择:");
              	scanf("%d", &yourchoice);
              	switch (yourchoice)
              	{
              	case 1:
              		system("cls");
              		printGame();
              		printSnake();
              		printFood();
              		break;
              	case 2:
              		system("cls");
              		printTips();
              		break;
              	case 3:
              		system("cls");
              		gotoxy(30, 10);
              		color(11);
              		printf("Bye!");
              		exit(0);
              	default:
              		system("cls");
              		printf("没有此序号,请输入1,2或3\n");
              		Sleep(2000);
              		system("cls");
              	}
              	return yourchoice;
              }
              
              // 控制台字体颜色设置
              int color(int c)
              {
              	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
              	return 0;
              }
              
              // 绘制游戏边界、背景
              void printGame()
              {
              	int i, j;
              	gotoxy(5, 5);
              	printf("游戏载入中...请稍后");
              	Sleep(2000);
              	system("cls");
              
              	// 上下围墙
              	for (i = 0; i <= 50; i += 2)
              	{
              		gotoxy(i, 0);
              		printf("□");
              		gotoxy(i, 25);
              		printf("□");
              	}
              	// 左右围墙
              	for (i = 0; i <= 25; i += 1)
              	{
              		gotoxy(0, i);
              		printf("□");
              		gotoxy(50, i);
              		printf("□");
              	}
              	// 内部游戏网格
              	for (i = 1; i <= 24; i += 1)
              	{
              		for (j = 2; j <= 48; j += 2)
              		{
              			gotoxy(j, i);
              			color(11);
              			printf("■");
              		}
              	}
              	// 右侧信息提示栏
              	gotoxy(60, 13);
              	printf("当前分数:%d分,当前速度%d", score, speed);
              	gotoxy(60, 15);
              	printf("用↑ ↓ ← →分别控制蛇的移动\n");
              	gotoxy(60, 18);
              	printf("每次获取食物加10分  F1加速,F2减速,空格暂停\n");
              	gotoxy(60, 20);
              	printf("不能撞墙和咬到自己!");
              	gotoxy(60, 22);
              	printf("速度不低于100,不高于300");
              }
              
              // 初始化蛇身
              void printSnake(void)
              {
              	int i;
              	tail = (snake*)malloc(sizeof(snake));
              	tail->x = 16;
              	tail->y = 13;
              	tail->next = NULL;
              
              	// 初始蛇长度4节
              	for (i = 1; i <= 4; i++)
              	{
              		head = (snake*)malloc(sizeof(snake));
              		head->next = tail;
              		head->x = 16 + 2 * i;
              		head->y = 13;
              		tail = head;
              	}
              
              	// 打印初始蛇身
              	while (tail->next)
              	{
              		gotoxy(tail->x, tail->y);
              		color(14);
              		printf("★");
              		tail = tail->next;
              	}
              }
              
              // 随机生成食物
              void printFood(void)
              {
              	srand((unsigned)time(NULL));
              	food = (snake*)malloc(sizeof(snake));
              	food->x = 1;
              	while (food->x % 2 && food->x)
              	{
              		food->x = rand() % 46 + 2;
              	}
              	food->y = rand() % 23 + 1;
              	q = head;
              	while (q->next)
              	{
              		if (q->x == food->x && q->y == food->y)
              		{
              			free(food);
              			printFood();
              		}
              		else
              		{
              			gotoxy(food->x, food->y);
              			color(12);
              			printf("●");
              			break;
              		}
              	}
              }
              
              // 游戏说明界面
              void printTips(void)
              {
              	color(11);
              	printf("***********Tips************\n");
              	printf("1.采用合理的速度可以获得更高的分数哦!\n");
              	printf("2.一定不要撞到自己或者两边的墙!\n");
              	printf("3.游戏过程中按ESC退出游戏!\n");
              }
              
              // 蛇移动核心函数
              void snakeMove(void)
              {
              	snake *snakenext;
              	snakenext = (snake*)malloc(sizeof(snake));
              	if (biteSelf())
              	{
              		gotoxy(60, 11);
              		printf("咬到自己啦!");
              		free(snakenext);
              		Sleep(1500);
              		system("cls");
              		exit(0);
              	}
              	else if (encounterWall())
              	{
              		gotoxy(60, 11);
              		printf("撞到墙啦!");
              		free(snakenext);
              		Sleep(1500);
              		system("cls");
              		exit(0);
              	}
              	else
              	{
              		Sleep(350 - speed);
              		if (status == UP)
              		{
              			snakenext->x = head->x;
              			snakenext->y = head->y - 1;
              			snakenext->next = head;
              			head = snakenext;
              			q = head;
              			if (snakenext->x == food->x && snakenext->y == food->y)
              			{
              				while (q)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				score += FOOD;
              				gotoxy(60, 13);
              				printf("当前分数:%d分,当前速度%d", score, speed);
              				printFood();
              			}
              			else
              			{
              				while (q->next->next)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				gotoxy(q->next->x, q->next->y);
              				color(11);
              				printf("■");
              				free(q->next);
              				q->next = NULL;
              			}
              		}
              		else if (status == DOWN)
              		{
              			snakenext->x = head->x;
              			snakenext->y = head->y + 1;
              			snakenext->next = head;
              			head = snakenext;
              			q = head;
              			if (snakenext->x == food->x && snakenext->y == food->y)
              			{
              				while (q)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				score += FOOD;
              				gotoxy(60, 13);
              				printf("当前分数:%d分,当前速度%d", score, speed);
              				printFood();
              			}
              			else
              			{
              				while (q->next->next)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				gotoxy(q->next->x, q->next->y);
              				color(11);
              				printf("■");
              				free(q->next);
              				q->next = NULL;
              			}
              		}
              		else if (status == LEFT)
              		{
              			snakenext->x = head->x - 2;
              			snakenext->y = head->y;
              			snakenext->next = head;
              			head = snakenext;
              			q = head;
              			if (snakenext->x == food->x && snakenext->y == food->y)
              			{
              				while (q)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				score += FOOD;
              				gotoxy(60, 13);
              				printf("当前分数:%d分,当前速度%d", score, speed);
              				printFood();
              			}
              			else
              			{
              				while (q->next->next)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				gotoxy(q->next->x, q->next->y);
              				color(11);
              				printf("■");
              				free(q->next);
              				q->next = NULL;
              			}
              		}
              		else if (status == RIGHT)
              		{
              			snakenext->x = head->x + 2;
              			snakenext->y = head->y;
              			snakenext->next = head;
              			head = snakenext;
              			q = head;
              			if (snakenext->x == food->x && snakenext->y == food->y)
              			{
              				while (q)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				score += FOOD;
              				gotoxy(60, 13);
              				printf("当前分数:%d分,当前速度%d", score, speed);
              				printFood();
              			}
              			else
              			{
              				while (q->next->next)
              				{
              					gotoxy(q->x, q->y);
              					color(14);
              					printf("★");
              					q = q->next;
              				}
              				gotoxy(q->next->x, q->next->y);
              				color(11);
              				printf("■");
              				free(q->next);
              				q->next = NULL;
              			}
              		}
              	}
              }
              
              // 判断蛇是否咬到自身
              int biteSelf(void)
              {
              	int x = 0;
              	q = head->next;
              	while (q->next)
              	{
              		if (q->x == head->x && q->y == head->y)
              		{
              			x = 1;
              		}
              		q = q->next;
              	}
              	return x;
              }
              
              // 判断蛇是否撞墙
              int encounterWall(void)
              {
              	int x = 0;
              	if (head->x == 0 || head->x == 50 || head->y == 0 || head->y == 25)
              		x = 1;
              	return x;
              }
              
              // 键盘按键控制
              void keyboardControl(void)
              {
              	status = RIGHT;
              	while (1)
              	{
              		if (GetAsyncKeyState(VK_UP) && status != DOWN)
              		{
              			status = UP;
              		}
              		else if (GetAsyncKeyState(VK_DOWN) && status != UP)
              		{
              			status = DOWN;
              		}
              		else if (GetAsyncKeyState(VK_LEFT) && status != RIGHT)
              		{
              			status = LEFT;
              		}
              		else if (GetAsyncKeyState(VK_RIGHT) && status != LEFT)
              		{
              			status = RIGHT;
              		}
              		// 空格暂停
              		if (GetAsyncKeyState(VK_SPACE))
              		{
              			while (1)
              			{
              				Sleep(300);
              				if (GetAsyncKeyState(VK_SPACE))
              				{
              					break;
              				}
              			}
              		}
              		// ESC退出
              		else if (GetAsyncKeyState(VK_ESCAPE))
              		{
              			status = ESC;
              			if (endGame())
              			{
              				Sleep(500);
              				system("cls");
              				break;
              			}
              		}
              		// F1加速
              		else if (GetAsyncKeyState(VK_F1))
              		{
              			speedUp();
              			gotoxy(60, 13);
              			printf("当前分数:%d分,当前速度%d", score, speed);
              		}
              		// F2减速
              		else if (GetAsyncKeyState(VK_F2))
              		{
              			speedDown();
              			gotoxy(60, 13);
              			printf("当前分数:%d分,当前速度%d", score, speed);
              		}
              		snakeMove();
              	}
              }
              
              // 加速函数
              void speedUp(void)
              {
              	if (speed <= 280)
              		speed += 20;
              }
              
              // 减速函数
              void speedDown(void)
              {
              	if (speed >= 120)
              		speed -= 20;
              }
              
              // 游戏退出确认
              int endGame(void)
              {
              	char x = 0;
              	char judge[5];
              
              	getchar();
              	gotoxy(60, 9);
              	printf("确定退出吗?(Yes/No)");
              	gotoxy(60, 11);
              	s_gets(judge, 5);
              
              	if (strcmp(judge, "Yes") == 0)
              	{
              		Sleep(250);
              		system("cls");
              		gotoxy(40, 11);
              		printf("\tBye!");
              		x = 1;
              	}
              	else
              		x = 0;
              	return x;
              }
              
              // 安全字符串读取
              char *s_gets(char *st, int n)
              {
              	char *ret_val;
              	char *find;
              
              	gotoxy(60, 11);
              	ret_val = fgets(st, n, stdin);
              	if (ret_val)
              	{
              		find = strchr(st, '\n');
              		if (find)
              			*find = '\0';
              		else
              		while (getchar() != '\n')
              			continue;
              	}
              	return ret_val;
              }
              
              // 链表内存释放,防止内存泄漏
              void frees(snake *s)
              {
              	snake *current = s;
              	while (current)
              	{
              		current = s;
              		s = current->next;
              		free(current);
              	}
              }
              
              
              • #define _CRT_SECURE_NO_WARNINGS
                #include <iostream>
                #include <cstdlib>
                #include <ctime>
                #include <windows.h>
                using namespace std;
                
                #define MAX_ROW 3
                #define MAX_COL 3
                
                // 初始化棋盘
                void init(char chessBoard[MAX_ROW][MAX_COL]) {
                    for (int row = 0; row < MAX_ROW; row++) {
                        for (int col = 0; col < MAX_COL; col++) {
                            chessBoard[row][col] = ' ';
                        }
                    }
                }
                
                // 打印棋盘
                void print_chessBoard(char chessBoard[MAX_ROW][MAX_COL]) {
                    cout << "+---+---+---+" << endl;
                    for (int row = 0; row < MAX_ROW; row++) {
                        cout << "| " << chessBoard[row][0]
                             << " | " << chessBoard[row][1]
                             << " | " << chessBoard[row][2]
                             << " |" << endl;
                        cout << "+---+---+---+" << endl;
                    }
                }
                
                // 玩家落子
                void playerMove(char chessBoard[MAX_ROW][MAX_COL]) {
                    while (true) {
                        int row = 0;
                        int col = 0;
                        cout << "请输入坐标(行 列,范围 0~2):";
                        cin >> row >> col;
                
                        // 越界判断
                        if (row < 0 || row >= MAX_ROW || col < 0 || col >= MAX_COL) {
                            cout << "坐标超出范围!请重新输入!" << endl;
                            continue;
                        }
                        // 重复落子判断
                        if (chessBoard[row][col] != ' ') {
                            cout << "该位置已有棋子!请重新输入!" << endl;
                            continue;
                        }
                
                        chessBoard[row][col] = 'X';
                        break;
                    }
                }
                
                // 电脑落子
                void computerMove(char chessBoard[MAX_ROW][MAX_COL]) {
                    while (true) {
                        int row = rand() % MAX_ROW;
                        int col = rand() % MAX_COL;
                        if (chessBoard[row][col] == ' ') {
                            chessBoard[row][col] = 'O';
                            break;
                        }
                    }
                }
                
                // 判断棋盘是否满了
                bool isFull(char chessBoard[MAX_ROW][MAX_COL]) {
                    for (int row = 0; row < MAX_ROW; row++) {
                        for (int col = 0; col < MAX_COL; col++) {
                            if (chessBoard[row][col] == ' ') {
                                return false;
                            }
                        }
                    }
                    return true;
                }
                
                // 判断胜负
                // 返回值:'X'玩家赢 'O'电脑赢 'Q'平局 ' '继续
                char isWin(char chessBoard[MAX_ROW][MAX_COL]) {
                    // 行判断
                    for (int row = 0; row < MAX_ROW; row++) {
                        if (chessBoard[row][0] != ' '
                            && chessBoard[row][0] == chessBoard[row][1]
                            && chessBoard[row][0] == chessBoard[row][2]) {
                            return chessBoard[row][0];
                        }
                    }
                    // 列判断
                    for (int col = 0; col < MAX_COL; col++) {
                        if (chessBoard[0][col] != ' '
                            && chessBoard[0][col] == chessBoard[1][col]
                            && chessBoard[0][col] == chessBoard[2][col]) {
                            return chessBoard[0][col];
                        }
                    }
                    // 对角线
                    if (chessBoard[0][0] != ' ' && chessBoard[0][0] == chessBoard[1][1] && chessBoard[0][0] == chessBoard[2][2]) {
                        return chessBoard[0][0];
                    }
                    if (chessBoard[2][0] != ' ' && chessBoard[2][0] == chessBoard[1][1] && chessBoard[2][0] == chessBoard[0][2]) {
                        return chessBoard[2][0];
                    }
                
                    // 平局
                    if (isFull(chessBoard)) {
                        return 'Q';
                    }
                
                    return ' ';
                }
                
                // 游戏主逻辑
                void game() {
                    char chessBoard[MAX_ROW][MAX_COL] = { 0 };
                    init(chessBoard);
                    char winner = ' ';
                
                    while (true) {
                        system("cls");
                        print_chessBoard(chessBoard);
                
                        // 玩家
                        playerMove(chessBoard);
                        winner = isWin(chessBoard);
                        if (winner != ' ') break;
                
                        // 电脑
                        computerMove(chessBoard);
                        winner = isWin(chessBoard);
                        if (winner != ' ') break;
                    }
                
                    system("cls");
                    print_chessBoard(chessBoard);
                
                    if (winner == 'X') {
                        cout << "?? 恭喜你,你赢了!" << endl;
                    } else if (winner == 'O') {
                        cout << "?? 电脑获胜!你连人机都下不过~" << endl;
                    } else {
                        cout << "?? 平局!" << endl;
                    }
                }
                
                // 菜单
                int menu() {
                    cout << "============================" << endl;
                    cout << "=====  井字棋(五子棋) =====" << endl;
                    cout << "=====   1. 开始游戏   ======" << endl;
                    cout << "=====   0. 退出游戏   ======" << endl;
                    cout << "============================" << endl;
                    int choice = 0;
                    cout << "请输入选择:";
                    cin >> choice;
                    return choice;
                }
                
                int main() {
                    srand((unsigned int)time(NULL)); // 随机数种子
                
                    while (true) {
                        system("cls");
                        int choice = menu();
                
                        if (choice == 1) {
                            game();
                        } else if (choice == 0) {
                            cout << "退出游戏,再见!" << endl;
                            break;
                        } else {
                            cout << "输入错误,请重新输入!" << endl;
                        }
                
                        system("pause");
                    }
                
                    return 0;
                }
                
                
                • #include<iostream>
                  #include<math.h>
                  #include<Windows.h>
                  #include<conio.h>
                  #include<ctime>
                  using namespace std;
                  
                  enum DIR
                  {
                  	UP,
                  	RIGHT,
                  	DOWN,
                  	LEFT
                  };
                  
                  time_t start = 0, finish = 0;
                  
                  int _x = 6, _y = 1;
                  
                  int map[30][16] = { 0 };
                  
                  int sharp[20][8] = {
                  	{0,0,0,0,0,0,0,0},
                  	{0,0,0,1,0,2,0,3},
                  	{0,0,1,0,2,0,3,0},
                  	{0,0,1,0,0,1,1,1},
                  	{0,0,0,1,0,2,1,2},
                  	{0,0,0,1,1,0,2,0},
                  	{0,0,1,0,1,1,1,2},
                  	{0,1,1,1,2,0,2,1},
                  	{0,2,1,0,1,1,1,2},
                  	{0,0,0,1,1,1,2,1},
                  	{0,0,0,1,0,2,1,0},
                  	{0,0,1,0,2,0,2,1},
                  	{0,0,1,0,1,1,2,1},
                  	{0,1,0,2,1,0,1,1},
                  	{0,1,1,0,1,1,2,0},
                  	{0,0,0,1,1,1,1,2},
                  	{0,1,1,0,1,1,2,1},
                  	{0,0,0,1,0,2,1,1},
                  	{0,0,1,0,1,1,2,0},
                  	{0,1,1,0,1,1,1,2}
                  };
                  
                  
                  class Game
                  {
                  public:
                  	int score;
                  	int _id;
                  	int top;
                  	int speed;
                  
                  	Game();
                  	void showMenu();
                  	void showGround();
                  	void gameOver();
                  	void Run();
                  	void sharpDraw(int id, bool show = false);
                  	void keyControl();
                  	bool move(int dir, int id);
                  	bool downSet(int id);
                  	void Turn(int id);
                  	void clean();
                  };
                  
                  void SetPos(int i, int j)
                  {
                  	COORD pos = { i,j };
                  	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
                  }
                  
                  int main()
                  {
                  	CONSOLE_CURSOR_INFO cursor;
                  	GetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor);
                  	cursor.bVisible = 0;
                  	SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor);
                  
                  	srand((unsigned)time(NULL));
                  
                  	Game game;
                  	game.showMenu();
                  	return 0;
                  }
                  
                  Game::Game()
                  {
                  	score = 0;
                  	_id = 0;
                  	top = 58;
                  	speed = 1000;
                  }
                  
                  void Game::showMenu()
                  {
                  	for (int i = 0; i < 30; i++)
                  	{
                  		for (int j = 0; j < 26; j++)
                  		{
                  			if ((i == 0 || i == 29) || (j == 0 || j == 25))
                  			{
                  				cout << "■";
                  			}
                  			else
                  			{
                  				cout << "  ";
                  			}
                  		}
                  		cout << endl;
                  	}
                  
                  	SetPos(17, 8);
                  	cout << "俄 罗 斯 方 块" << endl;
                  	SetPos(13, 12);
                  	cout << "↑旋转方块  ↓加速下滑" << endl;
                  	SetPos(12, 14);
                  	cout << "← →左右移动  空格  暂停" << endl;
                  	SetPos(15, 20);
                  	cout << "0 退出  Enter 开始" << endl;
                  
                  	while (1)
                  	{
                  		int select = _getch();
                  		if (select == 13)
                  		{
                  			system("cls");
                  			this->Run();
                  		}
                  		else if (select == 48)  // 修复BUG:== 而不是 =
                  		{
                  			system("cls");
                  			exit(0);
                  		}
                  	}
                  }
                  
                  void Game::showGround()
                  {
                  	for (int i = 0; i < 30; i++)
                  	{
                  		for (int j = 0; j < 26; j++)
                  		{
                  			if ((i == 0 || i == 29) || (j == 0 || j == 25 || j == 15))
                  			{
                  				cout << "■";
                  			}
                  			else if (i == 15 && j > 15)
                  			{
                  				cout << "■";
                  			}
                  			else
                  			{
                  				cout << "  ";
                  			}
                  		}
                  		cout << endl;
                  	}
                  
                  	SetPos(31, 2);
                  	cout << "下 个图形" << endl;
                  	SetPos(31, 17);
                  	cout << "当 前得分" << endl;
                  
                  	for (int i = 0; i < 30; i++)
                  	{
                  		for (int j = 0; j < 16; j++)
                  		{
                  			if ((i == 0 || i == 29) || (j == 0 || j == 15))
                  			{
                  				map[i][j] = 1;
                  			}
                  			else
                  			{
                  				map[i][j] = 0;
                  			}
                  		}
                  	}
                  }
                  
                  void Game::gameOver()
                  {
                  	for (int i = 5; i < 15; i++)
                  	{
                  		SetPos(1, i);
                  		cout << "                            " << endl;
                  	}
                  
                  	SetPos(8, 7);
                  	cout << "G a m e   O v e r" << endl;
                  
                  	SetPos(3, 10);
                  	cout << "0 退出   Enter 重新开始" << endl;
                  
                  	while (1)
                  	{
                  		int select = _getch();
                  		if (select == 13)
                  		{
                  			system("cls");
                  			this->Run();
                  		}
                  		else if (select == 48)
                  		{
                  			system("cls");
                  			exit(0);
                  		}
                  	}
                  
                  }
                  
                  void Game::Run()
                  {
                  	score = 0;
                  	_id = 0;
                  	top = 58;
                  	_x = 6;
                  	_y = 1;
                  	showGround();
                  	start = clock();
                  	int new_id = rand() % 19 + 1;
                  
                  	while (1)
                  	{
                  		sharpDraw(_id);
                  		keyControl();
                  
                  		if (downSet(_id))
                  		{
                  			sharpDraw(-new_id, 1);
                  			_id = new_id;
                  			new_id = rand() % 19 + 1;
                  			sharpDraw(new_id, 1);
                  			clean();
                  		}
                  
                  		SetPos(34, 20);
                  		cout << score << endl;
                  	}
                  }
                  
                  void Game::sharpDraw(int id, bool show)
                  {
                  	int x, y;
                  
                  	if (show == true)
                  	{
                  		if (id > 0)
                  		{
                  			for (int i = 0; i < 4; i++)
                  			{
                  				x = 19 + sharp[id][2 * i];
                  				y = 6 + sharp[id][2 * i + 1];
                  				SetPos(2 * x, y);
                  				cout << "■";
                  			}
                  		}
                  		else
                  		{
                  			for (int i = 0; i < 4; i++)
                  			{
                  				x = 19 + sharp[-id][2 * i];
                  				y = 6 + sharp[-id][2 * i + 1];
                  				SetPos(2 * x, y);
                  				cout << "  ";
                  			}
                  		}
                  		return;
                  	}
                  
                  
                  	if (id > 0)
                  	{
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[id][2 * i];
                  			y = _y + sharp[id][2 * i + 1];
                  			SetPos(2 * x, y);
                  			cout << "■";
                  		}
                  	}
                  	else
                  	{
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[-id][2 * i];
                  			y = _y + sharp[-id][2 * i + 1];
                  			SetPos(2 * x, y);
                  			cout << "  ";
                  		}
                  	}
                  	return;
                  
                  }
                  
                  bool Game::downSet(int id)
                  {
                  	if (id == 0)
                  		return true;
                  
                  	finish = clock();
                  
                  	if (finish - start < speed)
                  	{
                  		return false;
                  	}
                  
                  	start = clock();
                  
                  	if (!move(DOWN, _id))
                  	{
                  		int x, y;
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[id][2 * i];
                  			y = _y + sharp[id][2 * i + 1];
                  			map[y][x] = 1;
                  
                  			if (y < top)
                  			{
                  				top = y;
                  			}
                  			if (top <= 1)
                  			{
                  				gameOver();
                  			}
                  		}
                  		_x = 6;
                  		_y = 1;
                  		return true;
                  	}
                  
                  	sharpDraw(-id);
                  	_y++;
                  	sharpDraw(id);
                  	return false;
                  }
                  
                  bool Game::move(int dir, int id)
                  {
                  	int x, y;
                  	switch (dir)
                  	{
                  	case UP:
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[id][2 * i];
                  			y = _y + sharp[id][2 * i + 1];
                  			if (map[y][x] == 1)
                  			{
                  				return false;
                  			}
                  		}
                  		break;
                  	case DOWN:
                  	{
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[id][2 * i];
                  			y = _y + sharp[id][2 * i + 1];
                  			if (map[y + 1][x] == 1)
                  			{
                  				return false;
                  			}
                  		}
                  	}
                  	break;
                  	case RIGHT:
                  	{
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[id][2 * i];
                  			y = _y + sharp[id][2 * i + 1];
                  			if (map[y][x + 1] == 1)
                  			{
                  				return false;
                  			}
                  		}
                  	}
                  	break;
                  	case LEFT:
                  	{
                  		for (int i = 0; i < 4; i++)
                  		{
                  			x = _x + sharp[id][2 * i];
                  			y = _y + sharp[id][2 * i + 1];
                  			if (map[y][x - 1] == 1)
                  			{
                  				return false;
                  			}
                  		}
                  	}
                  	break;
                  	default:
                  		break;
                  	}
                  	return true;
                  }
                  
                  void Game::Turn(int id)
                  {
                  	switch (id)
                  	{
                  	case 1:id++; break;
                  	case 2:id--; break;
                  	case 3: break;
                  	case 4:id++; break;
                  	case 5:id++; break;
                  	case 6:id++; break;
                  	case 7:id -= 3; break;
                  	case 8:id++; break;
                  	case 9:id++; break;
                  	case 10:id++; break;
                  	case 11:id -= 3; break;
                  	case 12:id++; break;
                  	case 13:id--; break;
                  	case 14:id++; break;
                  	case 15:id--; break;
                  	case 16:id++; break;
                  	case 17:id++; break;
                  	case 18:id++; break;
                  	case 19:id -= 3; break;
                  	default:
                  		break;
                  	}
                  
                  	if (!move(UP, id))
                  	{
                  		return;
                  	}
                  
                  	sharpDraw(-_id);
                  	_id = id;
                  }
                  
                  void Game::keyControl()
                  {
                  	if (!_kbhit())
                  		return;
                  
                  	int key = _getch();
                  
                  	switch (key)
                  	{
                  	case 72:
                  		Turn(_id);
                  		break;
                  	case 80:
                  		if (move(DOWN, _id))
                  		{
                  			sharpDraw(-_id);
                  			_y++;
                  		}
                  		break;
                  	case 75:
                  		if (move(LEFT, _id))
                  		{
                  			sharpDraw(-_id);
                  			_x--;
                  		}
                  		break;
                  	case 77:
                  		if (move(RIGHT, _id))
                  		{
                  			sharpDraw(-_id);
                  			_x++;
                  		}
                  		break;
                  	case 32:
                  	{
                  		for (int i = 5; i < 15; i++)
                  		{
                  			SetPos(1, i);
                  			cout << "                            " << endl;
                  		}
                  
                  		SetPos(10, 7);
                  		cout << "游 戏 暂 停" << endl;
                  
                  		SetPos(3, 10);
                  		cout << "0 返回菜单  回车 继续游戏" << endl;
                  
                  		while (1)
                  		{
                  			int select = _getch();
                  
                  			if (select == 13)
                  			{
                  				for (int i = 5; i < 15; i++)
                  				{
                  					SetPos(1, i);
                  					cout << "                            " << endl;
                  				}
                  				break;
                  			}
                  			else if (select == 48)
                  			{
                  				system("cls");
                  				showMenu();
                  			}
                  		}
                  
                  	}
                  	default:
                  		break;
                  	}
                  }
                  
                  void Game::clean()
                  {
                  	int n = -1;
                  	int line = -1;
                  	while (1)
                  	{
                  		for (int i = 28; i > 0; i--)
                  		{
                  			for (int j = 1; j < 15; j++)
                  			{
                  				line = i;
                  				if (map[i][j] == 0)
                  				{
                  					line = -1;
                  					break;
                  				}
                  			}
                  			if (line != -1)
                  				break;
                  		}
                  
                  		if (line == -1)
                  			break;
                  
                  		for (int i = line; i > 0; i--)
                  		{
                  			for (int j = 1; j < 15; j++)
                  			{
                  				if (i == 1)
                  					map[i][j] = 0;
                  				else
                  				{
                  					map[i][j] = map[i - 1][j];
                  					SetPos(2 * j, i);
                  					if (map[i][j] == 1)
                  						cout << "■";
                  					else
                  						cout << "  ";
                  				}
                  			}
                  		}
                  		top++;
                  		n++;
                  	}
                  
                  	if (n >= 0)
                  	{
                  		score += n * n * 100 + 100;
                  		if (speed > 100)
                  			speed = 1000 - score / 10;
                  	}
                  }
                  
                  
                  • #include <iostream>
                    #include <cstdlib>   // 随机数
                    #include <ctime>     // 时间种子
                    using namespace std;
                    
                    int main() {
                        // 初始化随机数
                        srand(time(0));
                        int secretNum = rand() % 100 + 1; // 1~100随机数
                        int guess;
                    
                        cout << "==== 猜数字游戏 ====" << endl;
                        cout << "我已经想好了一个1-100的数字,开始猜吧!\n" << endl;
                    
                        while (true) {
                            cout << "请输入你的猜测:";
                            cin >> guess;
                    
                            if (guess > secretNum) {
                                cout << "太大了!再试试\n";
                            } else if (guess < secretNum) {
                                cout << "太小了!再试试\n";
                            } else {
                                cout << "\n恭喜你猜对了!答案就是:" << secretNum << endl;
                                break;
                            }
                        }
                    
                        system("pause");
                        return 0;
                    }
                    
                    
                    • using namespace std;
                      
                      int main() {
                          int x, y, z;
                          cin >> x >> y >> z;
                      
                          cout << x / y << ".";
                      
                          int r = x % y;
                          int i = 0;
                          while (i < z) {
                              r *= 10;
                              cout << r / y;
                              r %= y;
                              i++;
                          }
                      
                          return 0;
                      }
                      
                      ```hm2302
                      • ````language`

                        #include <iostream>
                        using namespace std;
                        
                        int main(){
                        	int n,sum=0;
                        	cin>>n;
                        	for(int i=1;i<=n;i++){
                        		if(i%10==7||i%7==0)
                        			coutinue;
                        		cout<<i<<" ";
                        	}
                        
                        	return 0;
                        }
                        • using namespace std;
                          
                          int main(){
                          	int n,sum=0;
                          	cin>>n;
                          	for(int i=1;i<=n;i++){
                          		if(i%10==7||i%7==0)
                          			coutinue;
                          		cout<<i<<" ";
                          	}
                          
                          	return 0;
                          }
                          
                          
                          
                          • ````language`

                            #include <iostream>
                            using namespace std;
                            
                            int main(){
                            	int n,sum=0;
                            	cin>>n;
                            	for(int i=1;i<=n;i++){
                            		if(i%10==7||i%7==0)
                            			coutinue;
                            		cout<<i<<" ";
                            	}
                            
                            	return 0;
                            }
                            • 
                              

                              #include using namespace std;

                              int main(){ int n,sum=0; cin>>n; for(int i=1;i<=n;i++){ if(i%107||i%70) coutinue; cout<<i<<" "; }

                              return 0;
                              

                              }

                              • using namespace std;
                                
                                int main(){
                                	int n;
                                	cin>>n;
                                	for(int i=1;i<=n;i++){
                                	
                                		if(i%10==7 || i%7==0) continue;
                                		cout<<i<<"";
                                	}
                                	return 0;
                                }
                                
                                
                                
                                
                                
                                • language
                                  

                                  language

                                  
                                  language
                                  

                                  language

                                  
                                  language
                                  

                                  language

                                  
                                  
                                  
                                  • using namespace std;
                                    
                                    int main(){
                                    	int n,sum=0;
                                    	cin>>n;
                                    	for(int i=1;i<=n;i++){
                                    		if(i%2==1) continue;
                                    		sum+=i;
                                    	
                                    
                                    	}
                                    	return 0;
                                    }
                                    
                                    
                                    
                                    
                                    
                                    • 1