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Submission #957071

# Submission time Handle Problem Language Result Execution time Memory
957071 2024-04-02T22:18:39 Z Charizard2021 Global Warming (CEOI18_glo) C++17
0 / 100
 93 ms 2220 KB 
#include<bits/stdc++.h>
using namespace std;
int main(){
    int n, x;
    cin >> n >> x;
    int a[n];
    for(int i = 0;i < n; i++) cin >> a[i];
    int prefLongest[n];
    vector<int> dp;
    for(int i = 0; i < n; i++){
        int idx = lower_bound(dp.begin(), dp.end(), a[i]) - dp.begin();
        if(idx == (int)dp.size()){
            dp.push_back(a[i]);
            prefLongest[i] = (int)dp.size();
        }
        else{
            dp[idx] = a[i];
            prefLongest[i] = idx + 1;
        }
    }
    deque<int> dp2;
    int ans = 0;
    for(int i = n - 1; i >= 0; i--){
        int idx = upper_bound(dp2.begin(), dp2.end(), a[i] - x) - dp2.begin();
        idx--;
        ans = max(ans, (int)dp2.size() - idx - 1 + prefLongest[i]);
        int idx2 = upper_bound(dp2.begin(), dp2.end(), a[i]) - dp2.begin();
        idx2--;
        if(idx2 == -1){
            dp2.push_front(a[i]);
        }
        else{
            dp2[idx2] = a[i];
        }
    }
    for(int c : dp2){
        cout << c << "\n";
    }
    cout<< ans << "\n";
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 93 ms 2220 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 856 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 54 ms 1068 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -