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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int val,sum=0,i;
  5. printf("enter a number");
  6. scanf("%d",&val);
  7.  
  8. for(i=1;i<=val;i++){
  9. 	sum=sum+i;
  10. }
  11. 	printf("sum:%d,sum");
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0.01s 5288KB
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enter a numbersum:-837638768,sum
https://ideone.com/DC0OuT
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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