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  1. #include <iostream>
  2. #include <queue>
  3. #include <string>
  4. using namespace std;
  5.  
  6. class State{
  7. 	public:
  8. 		int sum,rem;
  9. 		string str;
  10. 		State(int s,int r,string st){
  11. 			sum = s;
  12. 			rem = r;
  13. 			str = st;
  14. 		}
  15. };
  16.  
  17. int main() {
  18. 	int n,newSum,newRem;
  19. 	string newStr;
  20. 	queue<State> q;
  21. 	cin>>n;
  22. 	bool visited[1001][1001] = {0};
  23. 	State curr = State(0,0,"");
  24. 	q.push(curr);
  25. 	while(!q.empty()){
  26. 		curr = q.front();
  27. 		q.pop();
  28. 		if(curr.sum==n && curr.rem==0){
  29. 			cout<<curr.str<<endl;
  30. 			break;
  31. 		}
  32. 		if(visited[curr.sum][curr.rem]){
  33. 				continue;
  34. 		}
  35. 		visited[curr.sum][curr.rem] = 1;
  36. 		for(int j=0; j<=9; j++){
  37. 			newSum = curr.sum + j;
  38. 			newRem = (curr.rem*10+j)%n;
  39. 			newStr = curr.str + to_string(j);
  40. 			curr = State(newSum,newRem,newStr);
  41. 			q.push(curr);
  42. 		}
  43. 	}
  44. 	return 0;
  45. }
Success #stdin #stdout 0s 4320KB
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https://ideone.com/c4W48N
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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