10pts求助

20101104LiZhenyang @ 2023-09-21 23:25:03

#include<iostream>
using namespace std;
int main()
{
    int n;
    scanf("%d",&n);
    int ans=0;
    int benci=0;
    for(int i=1;i<=n;i++)
    {
        ++benci;
        for(int j=1;j<=benci;j++)
        {
            if(j+i<=n)
                break;
            ans+=benci;
        }
    }
    printf("%d\n",ans);
    return 0;    
}

by yanlin123 @ 2023-10-15 09:24:37

#include<iostream>
using namespace std;
int main()
{
    int n;
    scanf("%d",&n);
    int ans=0;
    int benci=0;
    for(int i=1;i <= n;)
    {
        ++benci;
        for(int j=1;j<=benci && i <= n;j++, i++)
        {
            ans+=benci;
        }
    }
    printf("%d\n",ans);
    return 0;    
}