1求助 开了unsigned long long咋还见祖宗了
查看原帖
1求助 开了unsigned long long咋还见祖宗了
1287989
cycycy0530楼主2024/6/27 08:54
c++
#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	unsigned long long c=(unsigned long long)((unsigned long long)(n*(n+1))+n+n);
	unsigned long long s=0;
	for(int i=1;i<=n;i++)
	s+=(unsigned long long)(i*i);
	cout<<(unsigned long long)c<<endl<<(unsigned long long)s;
    return 0;
}

2024/6/27 08:54
加载中...