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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. typedef pair<int, pair<int, int> > ppi; 
  4. int main() {
  5.  
  6. 	int k =0 , n=0;
  7. 	cin>>k;
  8. 	cin>>n;
  9. 	vector<vector<int>> inputv;
  10. 	for(int i =0;i<k ;i++){
  11.  
  12. 		//int n =0;
  13.  
  14. 		vector<int> input;
  15. 		for(int i =0;i<n;i++){
  16.  
  17. 			int x;
  18. 			cin>>x;
  19. 			input.push_back(x);
  20. 		}
  21. 		inputv.push_back(input);
  22. 	}
  23.  
  24. /*	for(int i =0;i<inputv.size();i++){
  25. 		for(int k =0 ; k <inputv[i].size(); k++){
  26. 			cout<<inputv[i][k]<<" "<<endl;
  27. 		}
  28. 	}*/
  29. 	//now finding the Kth Largest Elemnt
  30.  
  31. 	 priority_queue<ppi, vector<ppi>, greater<ppi> > pq; 
  32.  
  33. 	for (int i = 0; i < inputv.size(); i++)
  34. 		pq.push(make_pair(i ,make_pair(0 , inputv[i][0])));
  35.  
  36. 	while(!pq.empty()){
  37.  
  38. 		ppi temp = pq.top();
  39. 		pq.pop();
  40. 		int i = temp.first; 
  41. 		int j = temp.second.first;
  42. 		int elem = temp.second.second;
  43. 		cout<<elem<<" ";
  44. 	}	
  45. 	// pq.push(make_pair(1 ,make_pair(0 , inputv[1][0])));
  46. 	// pq.push(make_pair(2 ,make_pair(0 , inputv[2][0])));
  47. /*	vector<int> result;
  48. 	while(!pq.empty()){
  49.  
  50. 		ppi temp = pq.top();
  51. 		pq.pop();
  52. 		int i = temp.first; 
  53. 		int j = temp.second.first;
  54. 		int elem = temp.second.second;
  55. 		cout<<elem<<" ";
  56. 		result.push_back(elem);
  57.  
  58. 		if(j+1 < inputv[i].size())
  59. 			pq.push(make_pair(i ,make_pair(j+1 , inputv[i][j+1])));
  60.  
  61. 	} 
  62.  
  63. 	//for(int i =0;i<result.size();i++)
  64. 	//	cout<<result[i]<<" ";*/
  65.  
  66. 	return 0;
  67.  
  68. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
3 4
1 3 5 7
2 4 6 8
0 9 10 11
stdout 
1 2 0
https://ideone.com/zH3eD6
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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