咋总是你？？？？？

？

#include<bits/stdc++.h>
using namespace std;
int fun(int x){
	int s=1;
	for(int i=2;i<x;i++){
		s+=x;
	}
	return s;
}
main(){
	int m,n;
	cin>>m;
	n=fun(m);
	cout<<n;
	return 0;
}





 

#include<bits/stdc++.h>
using namespace std;
int a=3000,b=5000;
main(){
	int a,b;
	a=100;
	b=200;
	cout<<"局部变量a="<<a<<",b="<<b<<endl;
	cout<<"局部变量a="<<::a<<",b="<<::b<<endl;
	cout<<(::a+::b)<<endl; 
	return 0;
}





 

#include<bits/stdc++.h>
using namespace std;
void swap(int &a,int &b){
	int tmp=a;a=b;b=tmp;
}
int main(){
	int c=1,d=2;
	swap(c,d);
	cout<<c<<' '<<d<<endl;	

	return 0;
}




 

#include<bits/stdc++.h>
using namespace std;
void sort(int *a,int n){
	for(int i=0;i<n;i++){
		for(int j=0;j<n-i-1;j++){
			if(a[j]>a[j+1]){
				swap(a[j],a[j+1]);
			}
		}
	}
}
int main(){
	int n;
	cin>>n;
	int a[n];
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	sort(a,n);
	for(int i=0;i<n;i++){
		cout<<a[i]<<" ";
	}
	return 0;
}




 

````language`

#include<bits/stdc++.h>
using namespace std;
void sort(int *a,int n){
	for(int i=0;i<n;i++){
		for(int j=0;j<n-i-1;j++){
			if(a[j]>a[j+1]){
				swap(a[j],a[j+1]);
			}
		}
	}
}
int main(){
	int n;
	cin>>n;
	int a[n];
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	sort(a,n);
	for(int i=0;i<n;i++){
		cout<<a[i]<<" ";
	}
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int* p;
	int a=100;
	int &c=a;
	cout<<&a<<endl;
	cout<<&c<<endl;
	p=&a;
	cout<<p<<endl
	cout<<*p<<endl; 
	cout<<&p<<endl
	return 0;
}

````language`

#include<bits/stdc++.h>
using namespace std;
int main(){
	int* p;
	int a=100;
	int &c=a;
	cout<<&a<<endl;
	cout<<&c<<endl;
	p=&a;
	cout<<p<<endl
	cout<<&p<<endl
	return 0;
}

````language`

#include<bits/stdc++.h>
using namespace std;
int main(){
	int* p;
	int a=100;
	int &c=a;
	cout<<&a<<endl;
	cout<<&c<<endl;
	p=&a;
	cout<<&p<<endl
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int* p;
	int a=100;
	int &c = a;
	cout<<&c<<endl;
	cout<<&a<<endl;
	p = &a;
	cout<<&p<<endl;
	
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int* p;
	int a=100;
	int &c = a;
	cout<<&c<<endl;
	cout<<&a<<endl;
	
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int* p;
	int a=100;
	cout<<&a<<endl;
	
	
	return 0;
}

```language
language

#include<bits/stdc++.h>
using namespace std;
void add(int a,int b){
	a*100;
	b+=100;
	cout<<"a+b="<<a+b<<endl;
	return;
}
void add2(int &a,int &b){
	a*100;
	b+=100;
	cout<<"a+b="<<a+b<<endl;
	return;
int main(){
	int a,b;
	cin>>a>>b;
	cout<<"函数运行前,a="<<a<<",b="<<b<<endl;
	add(a,b);
	cout<<"函数运行后,a="<<a<<",b="<<b<<endl;	
	
	return 0;
}

mozeiy

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a=1000;
	int &c= a;
	c=2000;
	cout<<a<<endl;
	return 0;
}

葛子墨是gay

````language`

#include<bits/stdc++.h>
using namespace std;
void add(int a,int b){
	a*100;
	b+=100;
	cout<<"a+b="<<a+b<<endl;
	return;
}
int main(){
	int a,b;
	cin>>a>>b;
	cout<<"函数运行前,a="<<a<<",b="<<b<<endl;
	add(a,b);
	cout<<"函数运行后,a="<<a<<",b="<<b<<endl;	
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
void add(int a,int b){
	a*100;
	b+=100;
	cout<<"a+b="<< a+b<<endl; 
	return;
}
int main(){
	int a,b;
	cin>>a>>b;
	cout<<"函数运行前,a="<<a<<",b="<<b<<endl;
	add(a,b);
	cout<<"函数运行后,a="<<a<<",b="<<b<<endl;	
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
void add(int a,int b){
	a*100;
	b+=100;
	cout<< a+b;
}
int main(){
	int a,b;
	cin>>a>>b;
	cout<<"函数运行前,a="<<a<<",b="<<b<<endl;
	add(a,b);
	cout<<"函数运行后,a="<<a<<",b="<<b<<endl;	
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
void add(int a,int b){
	a*100;
	b+=100;
	cout<< a+b;
}
int main(){
	int a,b;
	cin>>a>>b;
	cout<<"a="<<a<<",b="<<b<<endl;
	add(a,b);
	cout<<"a="<<a<<",b="<<b<<endl;	
	
	return 0;
}

````language`

#include<bits/stdc++.h>
using namespace std;
void add(int a,int,b){
	a*=100;
	b+=100;
	cout<<"a+b="<<a+b<<endl
	return;
}
int main(){
	int a,b;
	cin>>a>>b;
	cout<<"a="<<a<<",b="<<b<<endl; 
	add(a,b);
		cout<<"a="<<a<<",b="<<b<<endl;
	
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
void add(int a,int b){
	cout<< a+b;
}
int main(){
	int a,b;
	cin>>a>>b;
	add(a,b);
	
	return 0;
}

````language`

#include<bits/stdc++.h>
using namespace std;
double add(double a,double b){
	return a+b;
}
double sub(double a,double b){
	return a-b;
}
double multi(double a,double b){
	return a*b;
}

double div(double a,double b){
	return a/b;
}
long long nn(int n){
	long long res=1;
	if(n==0) return 1;
	for(int i=1;i<=n;i++){
		res=res*2;
	}
	return res;
}

int main(){
//	double a,b;
//	cin>>a>>b;
//	cout<<a<<"+"<<b<<"="<<add(a,b)<<endl;
//	cout<<a<<"-"<<b<<"="<<sub(a,b)<<endl;
//	cout<<a<<"*"<<b<<"="<<multi(a,b)<<endl;
//	cout<<a<<"/"<<b<<"="<<div(a,b)<<endl;
	int n;
	cin>>n;
	cout<<2<<"的"<<n<<"次方="<<nn(n)<<endl;			
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
double add(double a,double b){
	return a+b;
}
double sub(double a,double b){
	return a-b;
}
double multi(double a,double b){
	return a*b;
}

double div(double a,double b){
	return a/b;
}
long long nn(int n){
	long long res=1;
	if(n==0) return 1;
	for(int i=1;i<=n;i++){
		res=res*2;
	}
	return res;
}

int main(){
//	double a,b;
//	cin>>a>>b;
//	cout<<a<<"+"<<b<<"="<<add(a,b)<<endl;
//	cout<<a<<"-"<<b<<"="<<sub(a,b)<<endl;
//	cout<<a<<"*"<<b<<"="<<multi(a,b)<<endl;
//	cout<<a<<"/"<<b<<"="<<div(a,b)<<endl;	
	int n;
	cin>>n;
	cout<<2<<"的"<<n<<"次方="<<nn(n)<<endl;		
	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;

int main(){

	
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
double add(double a,double b){
	return a+b;
}
double sub(double a,double b){
	return a-b;
}
double multi(double a,double b){
	return a*b;
}

double div(double a,double b){
	return a/b;
}


int main(){
	double a,b;
	cin>>a>>b;
	cout<<a<<"+"<<b<<"="<<add(a,b)<<endl;
	cout<<a<<"-"<<b<<"="<<sub(a,b)<<endl;
	cout<<a<<"*"<<b<<"="<<multi(a,b)<<endl;
	cout<<a<<"/"<<b<<"="<<div(a,b)<<endl;			
	
	return 0;
}