Submission #991000

#	Time	Username	Problem	Language	Result	Execution time	Memory
991000		Pacybwoah	Passport (JOI23_passport)	C++17	16 / 100	2067 ms	1048576 KiB

passport

#include<iostream>
#include<vector>
#include<utility>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<pair<int, int>> vec(n + 1);
    for(int i = 1; i <= n; i++) cin >> vec[i].first >> vec[i].second;
    vector<vector<int>> dp(n + 1, vector<int>(n + 1, 1e9));
    dp[1][n] = 0;
    for(int l = n - 1; l > 0; l--){
        for(int i = 1; i + l - 1 <= n; i++){
            int j = i + l - 1;
            for(int k = i; k <= j; k++){
                dp[i][j] = min(dp[i][j], dp[min(i, vec[k].first)][max(j, vec[k].second)] + 1);
            }
        }
    }
    int q;
    cin >> q;
    while(q--){
        int a;
        cin >> a;
        if(dp[a][a] == 1e9) cout << "-1\n";
        else cout << dp[a][a] << "\n";
    }
}
// g++ -std=gnu++20 pC.cpp -o run -Wall -Wextra -fsanitize=undefined -fsanitize=address

• Subtask 1: 0 / 6
• Subtask 2: 16 / 16
• Subtask 3: 0 / 24
• Subtask 4: 0 / 8
• Subtask 5: 0 / 46