fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define fi first
  5. #define se second
  6. const int MAXN = 1e6+7;
  7. int a[MAXN];
  8.  
  9. int main()
  10. {
  11.     ios_base::sync_with_stdio(0);
  12.     cin.tie(0);
  13.     int n;
  14.     cin >> n;
  15.     for(int i = 1;i <= n;i++) {
  16.         cin >> a[i];
  17.     }
  18.     vector<int> f;
  19.     for(int i = 1;i <= n;i++) {
  20.         int p = lower_bound(f.begin(),f.end(),a[i]) - f.begin();
  21.         if(p == f.size()) f.push_back(a[i]);
  22.         else f[p] = a[i];
  23.     }
  24.     cout << f.size();
  25.     return 0;
  26. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1
https://ideone.com/O80hzC
language:
C++14 (gcc 8.3)
created:
7 days 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!