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  1. #include<stdio.h>
  2.  
  3. int init_number(int x, int key);
  4.  
  5. int temp = 0;
  6. int number;
  7. int test_num;
  8.  
  9. int main()
  10. {
  11. 	scanf("%d", &number);
  12.  
  13. 	int flg;
  14.  
  15. 	for(test_num = 0 ;; test_num++)
  16. 	{
  17. 		temp = 0;
  18. 		flg = init_number(test_num, number);
  19.  
  20. 		if(flg == 1)
  21. 		{
  22. 			printf("%d\n", test_num);
  23. 			break;
  24. 		}
  25. 		else if(flg == -1)
  26. 		{
  27. 			printf("0\n");
  28. 			break;
  29. 		}
  30. 	}
  31. }
  32.  
  33.  
  34. 	int init_number(int x, int key)
  35. 	{
  36. 		int key_number;
  37.  
  38. 		if(x == 0)
  39. 		{
  40. 			key_number = temp+test_num;
  41. 			if(key_number == key) return 1;
  42. 			else if(key_number > key) return -1;
  43. 		}
  44. 		else 
  45. 		{
  46. 			temp += x%10;
  47. 			x/=10;
  48. 			init_number(x, key);
  49. 		}
  50. 	}
Success #stdin #stdout 0s 4460KB
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https://ideone.com/uhURfy
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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