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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a=1,b,sum=0;
  5. 	scanf("%d",&b);
  6. 	while(a<=b){
  7. 	sum=sum+a;
  8. 	a++;
  9. 	}
  10. 	printf("%d",sum);
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0.01s 5316KB
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https://ideone.com/RzLTNL
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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