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  1. #include <stdio.h>
  2. int main()
  3. {
  4. 	int i,s,a;
  5.   scanf("%d",&a);
  6.   s=0;
  7. 	for ( i=1 ; i<=a; i++)
  8. 	{   
  9. 		s=s+i;
  10. 	}
  11. 	printf("%d",s);
  12.    return 0;
  13. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/E81Fmc
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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