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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int i,ii,iii,iiii,iiiii,iiiiii,n,p = 0;
  5. 	for(i = 1;i <= 6;i++){
  6. 		for(ii = 1;ii <= 6;ii++){
  7. 			for(iii = 1;iii <= 6;iii++){
  8. 				for(iiii = 1;iiii <= 6;iiii++){
  9. 					for(iiiii = 1; iiiii <= 6;iiiii++){
  10. 						for(iiiiii = 1; iiiiii <= 6;iiiiii++){
  11. 							n = i * 100000 + ii * 10000 + iii * 1000 + iiii * 100 + iiiii * 10 + iiiiii * 1;
  12. 							if (n % 7 == 0 && n % 111111 != 0){
  13. 								p = p + 1;
  14. 							}
  15. 						}
  16. 					}
  17. 				}
  18. 			}
  19. 		}
  20. 	}
  21. 	printf("%d\n", p);
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0s 2052KB
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6660
https://ideone.com/3Xabiq
language:
C99 (gcc 8.3)
created:
9 years ago
visibility:
secret

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