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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. class point{
  4.     public:
  5.     int x, y;
  6.     point(int x__, int y__){
  7.         x = x__;
  8.         y = y__;
  9.     }
  10. 	int gex(){
  11. 		return x;
  12. 	}
  13. 	int gey(){
  14. 		return y;
  15. 	}
  16. };
  17. class cmp{
  18.     public:
  19.     bool operator()(point a, point b){
  20.         return a.x < b.x;
  21.     }
  22. };
  23. int main() {
  24. 	int n, k;
  25. 	cin >> k >> n;
  26. 	int a[k][n];
  27. 	for(int i = 0; i < k; i++){
  28. 		for(int j = 0; j < n; j++){
  29. 			cin >> a[i][k];
  30. 		}
  31. 	}
  32. 	int arr[k * n];
  33.     priority_queue< point, vector<point>, cmp > pq;
  34.     vector<int> v(k, 1);
  35.     for(int i = 0; i < k; i++){
  36.         pq.push(point(a[i][0], i));
  37.     }
  38.     int i = 0;
  39.     while(!pq.empty()){
  40.         point p = pq.top();
  41.         pq.pop();
  42.         int x = p.x;
  43.         int j = p.y;
  44.         j;
  45.         arr[i] = x;
  46.         i++;
  47.         if(v[j] < n){
  48.             pq.push(point(a[j][v[j]], j));
  49.             v[j]++;
  50.         }
  51.     }
  52. 	for(i = 0; i < k * n; i++){
  53. 		cout << arr[i] << " ";
  54. 	}
  55. 	cout << "\n";
  56. 	return 0;
  57. }
Success #stdin #stdout 0s 4316KB
comments (?)
stdin
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1
4
1 2 3 4
4 5 6 7
7 8 9 0
12 2 4 89
stdout
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531396992 4 174551391 21964
https://ideone.com/udpGyd
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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