为啥只有四十分？请大佬帮忙纠错

Kirisama @ 2021-11-03 23:31:08

#include<iostream>
using namespace std;
int main()
{int k,r=0;
cin>>k;
for(int i=1;k-i>=0;i++)
   {r=r+k;
      k=k-i;}
cout<<r;
return 0;}

by loris @ 2021-11-03 23:37:58

不开longlong见祖宗

by loris @ 2021-11-03 23:42:52

#include<iostream>
using namespace std;
int main()
{long long k,r=0;
cin>>k;
for(int i=1;k-i>=0;i++)
   {r=r+k;
      k=k-i;}
cout<<r;
return 0;}

你这码风也是够神奇

by Bread_m @ 2021-11-04 06:55:58

码风奇特 不开long long见祖宗

#include<iostream>
using namespace std;
int main()
{long long k,r=0;
cin>>k;
for(int i=1;k-i>=0;i++)
   {r=r+k;k=k-i;}
cout<<r;
return 0;}

by RevolutionBP @ 2021-11-04 08:03:48

我超，然

by Kirisama @ 2021-11-04 12:36:16

@loris 也不对啊

by Kirisama @ 2021-11-04 12:40:24

@loris 码风是啥啊？？真不知道

by sxf2113427 @ 2021-11-04 19:59:01

看看是不是理解错题意了

by 小鲤鱼666 @ 2021-11-09 12:09:18

最后不足i个数也要考虑进去，result += (k - (count - i)) *i

by Leave旭日冬升 @ 2021-12-02 20:36:50

#include<bits/stdc++.h>
using namespace std;
int  main()
{
 int k;
 cin>>k;
 int n=1,p=1;
 int sum=0;
 while(p<=k)
 {
 for(int i=1;i<=n;i++)
 {
 sum+=n;
 if(p+1<=k) p++;
 else
 {
 p+=1;
 break;
 }
}
 n+=1;
 }
 cout<<sum;
 return 0;
}