fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int mei(int ar[], int n, int x, int vt){
  5. 	for(int i=vt+1; i<n; i++){
  6. 		if(x>ar[i])
  7. 			return ar[i];
  8. 	}
  9. 	return -1;
  10. }
  11.  
  12. int main(){
  13. 	ios_base::sync_with_stdio(0);
  14. 	cin.tie(0);
  15. 	int t;
  16. 	cin>>t;
  17. 	while(t--){
  18. 		int n, ar[1000], ans[1000];
  19. 		stack <int> st, st2;
  20. 		cin>>n;
  21. 		for(int i=0; i<n; i++){
  22. 			cin>>ar[i];
  23. 		}
  24. 		for(int i= n-1; i>=0; i--){
  25. 			while(!st.empty() && ar[i]>=st.top()){
  26. 				st.pop();	
  27. 				st2.pop();
  28. 			}
  29. 			if(st.empty())
  30. 				ans[i]=-1;
  31. 			else{
  32. 				ans[i]=mei(ar,n,st.top(),st2.top());	
  33. 			}
  34. 			st.push(ar[i]);
  35. 			st2.push(i);
  36. 		}
  37. 		for(int i=0; i<n; i++){
  38. 			cout<<ans[i]<<" ";
  39. 		}	
  40. 		cout<<endl;
  41. 	}
  42. }
Success #stdin #stdout 0.01s 5388KB
comments (?)
stdin
copy 
2
7

5 1 9 2 5 1 7
8

4 8 2 1 9 5 6 3
stdout
copy 
2 2 -1 1 -1 -1 -1 
2 5 5 5 -1 3 -1 -1
https://ideone.com/RvQaL9
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!