Submission #1352571

#	Time	Username	Problem	Language	Result	Execution time	Memory
1352571		vahagng	Event Hopping (BOI22_events)	C++20	0 / 100	107 ms	2132 KiB

events

#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 +10;

int n, q, s[N], e[N];

// long long dist[N][N];

vector<int> adj[N];
bool visited[N];

int comp[N], id[N];

int main() {
    cin >> n >> q;
    for (int i = 1; i <= n; i++) {
        cin >> s[i] >> e[i];
    }
    while(q--){
        int u, v;
        cin >> u >> v;
        if(s[v] <= e[u] && e[u] <= e[v]){
            cout << (u != v) << endl;
        }else{
            cout << "impossible\n";
        }
    }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30