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  1. #include <stdio.h>
  2. int isom(int n){
  3. 	int i,sum=0;
  4. 	for(i=1;i<=n;i++){
  5. 		if((i*i)%10==i){
  6. 			sum+=i;
  7. 		}
  8. 	}
  9. 	return sum;
  10. }
  11. int main(void) {
  12. 	printf("%d",isom(99));
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0.01s 5328KB
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Standard input is empty
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12
https://ideone.com/hLv6LL
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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