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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int i;
  5. int a,b,c;
  6. int sum,count=0;
  7. for(i=100;i<=999;i++){
  8. 	a=i/100;
  9. 	b=(i/10)%10;
  10. 	c=i%10;
  11. 	sum=a+b+c;
  12. 	if(sum%7==0){
  13. 		count++;
  14. 	}
  15. }printf("%d",count);
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5284KB
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126
https://ideone.com/tgYyQd
language:
C99 (gcc 8.3)
created:
5 days ago
visibility:
public

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