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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	int n;
  6. 	printf("Input n:");
  7. 	scanf("%d",&n);
  8. 	int sum=0;
  9. 	for(int i=1;i<=n;i++)
  10. {
  11. 	sum=sum+i;
  12. }
  13.  
  14.     printf("sum=%d\n",sum);
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5292KB
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stdin
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10
stdout
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Input n:sum=55
https://ideone.com/QYGqHe
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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