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  1. #include<stdio.h>
  2. int main()
  3. {
  4.      int i,n,sum=0;
  5.      scanf("%d", &n);
  6.      for(i=1;i<=n;i++)
  7.      {
  8.      	sum=sum+i;
  9.      }
  10.      printf("%d", sum);
  11. return 0;
  12. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
Standard input is empty
stdout 
536854528
https://ideone.com/FmG3YW
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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