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  1. #include<stdio.h>
  2.  
  3. int main(void) {
  4.       int n,i,sum;
  5.       printf("Input n:\n");
  6.       scanf("%d",&n);
  7.       sum=0;
  8.       i=1;
  9.       while (i<=n)
  10.     {
  11.         sum=sum+i; 
  12.         i++;
  13.      }
  14.     printf("sum=%d\n",sum);
  15.     return 0;
  16. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
100
stdout 
Input n:
sum=5050
https://ideone.com/Q5tgqd
language:
C (clang 8.0)
created:
5 days ago
visibility:
public

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