Submission #785208

#	Time	Username	Problem	Language	Result	Execution time	Memory
785208		andecaandeci	Global Warming (CEOI18_glo)	C++17	0 / 100	27 ms	4968 KiB

glo

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define keish                             ios_base::sync_with_stdio(0);       cin.tie(0); cout.tie(0)
      
using namespace std;

int n, x;

signed main(){
      keish;
      cin >> n >> x;
      vector<int> a(n + 1);
      for(int i = 1; i <= n; i++) cin >> a[i];

      vector<int> dp(n + 1, 1e18), len(n + 1);
      dp[0] = -1e18;

      int ans = 0;
      for(int i = 1; i <= n; i++){
            int j = upper_bound(dp.begin(), dp.end(), a[i]) - dp.begin();
            if(dp[j - 1] < a[i] && a[i] < dp[j]) dp[j] = a[i];
            ans = max(ans, j);
            len[i] = j;
      }

      for(int i = n - 1; i >= 1; i--){
            if(len[i] == ans){
                  ans++;
                  break;
            }
      }

      cout << ans << endl;
}     

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25