func_code_string: #include <bits/stdc++.h>   using namespace std;   typedef vector<int> vt;   int a[110000];   int n;   void solve() {     vt v;     vt::iterator it;     for (int i = 0; i < n; i++) {       it = upper_bound(v.begin(), v.end(), a[i]);       if (it == v.end())         v.push_back(a[i]);       else         *it = a[i];     }     cout << v.size() << endl;   }   int main() {     cin >> n;     for (int i = 0; i < n; i++) {       cin >> a[i];     }     solve();     return 0;   }   