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  1. #include <stdio.h>
  2.  
  3. int main(void){
  4. 	int r,s,x,z,v,res=0;
  5. 	int arr[10] = {0};
  6. 	for (r = 1; r < 10; r++){
  7. 		arr[r] = 1;
  8. 		for (z = 1; z < 10; z++){
  9. 			if (arr[z]) continue;
  10. 			arr[z] = 1;
  11. 			for (s = 1; s < 10; s++){
  12. 				if (arr[s]) continue;
  13. 				arr[s] = 1;
  14. 				for (x = 0; x < 10; x++){
  15. 					if (arr[x]) continue;
  16. 					arr[x] = 1;
  17. 					for (v = 0; v < 10; v++){
  18. 						if (arr[v]) continue;
  19. 						if (((1000*r + 100*s + 10*r + x) + (100*z + 10*v +v)) 
  20. 						== (1000*s + 100*r + 10*x + s)) 
  21. 						printf("%d%d%d%d + %d%d%d = %d%d%d%d\n",r,s,r,x,z,v,v,s,r,x,s);
  22. 					}
  23. 					arr[x] = 0;
  24. 				}
  25. 				arr[s] = 0;
  26. 			}
  27. 			arr[z] = 0;
  28. 		}
  29. 		arr[r] = 0;
  30. 	}
  31. 	//printf("%d", res);
  32. 	return 0;
  33. }
  34.  
Success #stdin #stdout 0s 10304KB
comments (?)
stdin 
Standard input is empty
stdout 
1217 + 955 = 2172
2328 + 955 = 3283
https://ideone.com/NbOG73
language:
C (gcc 8.3)
created:
7 years ago
visibility:
secret

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