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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int i,count=0;
  5. int sum=0,t;
  6. for(i=1;i<=10000;i++){
  7. 	sum=0;
  8. 	t=i;
  9. 	while(t>0){
  10. 		sum+=t%10;
  11. 		t/=10;
  12. 	}
  13. 	if(sum%7==3){
  14. 		count++;
  15. 	}
  16.  
  17.  
  18.  
  19.  
  20. }
  21. printf("%d\n",count);
  22.  
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0s 5320KB
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1433
https://ideone.com/P4ZwGn
language:
C99 (gcc 8.3)
created:
5 days ago
visibility:
public

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