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  1. #include <stdio.h>
  2. int isom(int n){
  3. 	int i,sum=0;
  4. 	if(n==0){
  5. 		return 0;
  6. 	}for(i=1;i<=n;i++){
  7. 		if((i*i)%10==i){
  8. 			sum+=i;
  9. 		}
  10. 	}
  11. 	return sum;
  12. }
  13. int main() {
  14. 	printf("%d",isom(99));
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5304KB
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Standard input is empty
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12
https://ideone.com/yxaVvu
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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