Submission #1355562

#	Time	Username	Problem	Language	Result	Execution time	Memory
1355562		ramzialoulou	Event Hopping (BOI22_events)	C++20	0 / 100	20 ms	2244 KiB

events

#include <bits/stdc++.h>

using namespace std;

const int N = 5009;
int dist[N][N];
vector<int> g[N];

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, q;
  cin >> n >> q;
  vector<int> s(n), e(n);
  for (int i = 0; i < n; i++) {
    cin >> s[i] >> e[i];
  }
  while (q--) {
    int x, y;
    cin >> x >> y;
    --x, --y;
    if (s[y] <= e[x] && e[x] <= e[y]) {
      cout << (x != y) << '\n';
    } else {
      cout << "impossible" << '\n';
    }
  }
  return 0;
}

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