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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	int a, b, c, d, e, f;
  6. 	int m1, m2;
  7.  
  8. 	for(a = 1; a <= 9; a++) {
  9. 		for (b = 0; b <= 9; b++) {
  10. 			for (c = 0; c <= 9; c++) {
  11. 				for (d = 0; d <= 9; d++) {
  12. 					for (e = 0; e <= 9; e++) {
  13. 						for (f = 0; f <= 9; f++) {
  14. 							m1 = a*100000 + b*10000 + c*1000 + d*100 + e*10 + f;
  15. 							m2 = b*100000 + c*10000 + d*1000 + e*100 + f*10 + a;
  16. 							if ((m1 * 3) == m2) {
  17. 								printf("%d\n", m1);
  18. 							}
  19. 						}
  20. 					}
  21. 				}
  22. 			}
  23. 		}
  24. 	}
  25.  
  26. 	printf("----------------------\n");
  27.  
  28. 	for (a = 1; a <= 9; a++) {
  29. 		for (b = 0; b <= 99999; b++) {
  30. 			m1 = a*100000 + b;
  31. 			m2 = b*10 + a;
  32. 			if ((m1 * 3) == m2) {
  33. 				printf("%d\n", m1);
  34. 			}
  35. 		}
  36. 	}
  37.  
  38. 	return 0;
  39. }
  40.  
Success #stdin #stdout 0s 4328KB
comments (?)
stdin 
Standard input is empty
stdout 
142857
285714
----------------------
142857
285714
https://ideone.com/MljBH1
language:
C (gcc 8.3)
created:
7 years ago
visibility:
secret

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