代码

#include<bits/stdc++.h>
#define rep(i,a,b) for (register int i=a;i<=b;++i)
#define req(i,a,b) for (register int i=a;i>=b;--i)
using namespace std;
unsigned long long n,ans;
int main()
{
    n=1000000000000000000;
    rep(_,1,900000000) n++;
    return 0;
}

评测结果