代码

#include <iostream>
using namespace std;
typedef long long ll;
int main(void){
    ll a,b,res;
    a=1ll<<30;
    b=1ll<<29;
    a+=12313234;
    b+=76843625;
    for (int i=1;i<=10000000;i++){
        ll c=a*b;
        res+=c;
    }
    cout << res << endl;
    return 0;
}

评测结果