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Submission #538450

# Submission time Handle Problem Language Result Execution time Memory
538450 2022-03-17T01:33:33 Z pokmui9909 Global Warming (CEOI18_glo) C++17
0 / 100
 42 ms 4960 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
ll N, X;
ll A[200005], L[200005], R[200005];
 
int main(){
    cin.tie(0) -> sync_with_stdio(false);
 
    cin >> N >> X;
    for(int i = 0; i < N; i++){
        cin >> A[i];
    }
    vector<ll> dp;
    for(int i = 0; i < N; i++){
        if(dp.empty() || dp.back() < A[i]) dp.push_back(A[i]);
        else *lower_bound(dp.begin(), dp.end(), A[i]) = A[i];
        L[i] = dp.size();
    }
    dp.clear();
    for(int i = N - 1; i >= 0; i--){
        if(dp.empty() || dp.back() < A[i]) dp.push_back(A[i]);
        else *lower_bound(dp.begin(), dp.end(), A[i]) = A[i];
        R[i] = dp.size();
    }
    ll ans = 0;
    for(int i = 0; i < N; i++) ans = max(ans, L[i] + R[i] - 1);
    cout << ans;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 42 ms 4960 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 1492 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 2620 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -