Submission #1012482

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012482		Pacybwoah	Passport (JOI23_passport)	C++17	0 / 100	0 ms	348 KiB

passport

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

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