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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int t;
  7. 	cin >> t;
  8. 	while(t--){
  9. 		int n;
  10. 		cin >> n;
  11. 		vector<pair<int,int>> vp;
  12. 		for(int i=0;i<n;i++){
  13. 			pair<int,int> p;
  14. 			cin >> p.first >> p.second;
  15. 			p.second *= -1;
  16. 			vp.push_back(p);
  17. 		}
  18.  
  19. 		sort(vp.begin(),vp.end());
  20.  
  21. 		for(int i=0;i<n;i++){
  22. 			cout << vp[i].first << " "<< -1*vp[i].second<<endl;
  23. 		}
  24.  
  25. 	}
  26.  
  27.  
  28.  
  29. 	return 0;
  30. }
Success #stdin #stdout 0.01s 5460KB
comments (?)
stdin
copy 
1
5
3 4
-1 2
5 -3
3 3
-1 -2
stdout
copy 
-1 2
-1 -2
3 4
3 3
5 -3
https://ideone.com/U4u6nx
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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