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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int n, a[1000004], ret[1000004];
  4. stack<int> stk;
  5. int main(){
  6.     ios_base::sync_with_stdio(false);
  7.     cin.tie(NULL); cout.tie(NULL);
  8.     cin >> n;
  9.     for(int i = 0; i < n; i++){
  10.         cin >> a[i];
  11.         while(stk.size() && a[stk.top()] < a[i]){
  12.             ret[stk.top()] = a[i];
  13.             stk.pop();
  14.         }
  15.         stk.push(i);
  16.     }
  17.  
  18.     for(int i = 0; i < n; i++){
  19.         cout << ret[i] << ' ';
  20.     }
  21. }
Success #stdin #stdout 0.01s 5664KB
comments (?)
stdin
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4
3 5 2 7
stdout
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5 7 7 0
https://ideone.com/uHWIRJ
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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