#include<bits/stdc++.h>
using namespace std;
typedef long long The_Great_And_VeryGood_long_long____;
typedef int The_Legend_Useful_Thing_That_Saves_Numbers____;
typedef char The_Perfect_Thing_Can_Save_The_Characters____;
The_Great_And_VeryGood_long_long____ LongLong_number_a___,LongLong_number_b___;
auto &The_Really_Nice_Cool_Thing_To_Input_The_Numbers____=cin;
auto &The_Quite_Good_Thing_Use_To_Output_The_Numbers____=cout;
The_Legend_Useful_Thing_That_Saves_Numbers____ main(The_Legend_Useful_Thing_That_Saves_Numbers____ argc,The_Perfect_Thing_Can_Save_The_Characters____* argv[]){
    The_Really_Nice_Cool_Thing_To_Input_The_Numbers____>>LongLong_number_a___>>LongLong_number_b___;
    The_Quite_Good_Thing_Use_To_Output_The_Numbers____<<INT_MAX+((LongLong_number_b___*LongLong_number_a___*LongLong_number_b___)/(LongLong_number_a___*LongLong_number_b___))-INT_MAX+LongLong_number_a___;
    return 0;
}

其实解析一下就是最简单的基础代码 麻烦去 https://xwjedu.cn/p/W1001/solution 给个赞谢谢