Submission #1145437

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145437		cleptopod	Passport (JOI23_passport)	C++20	0 / 100	496 ms	1114112 KiB

passport

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "deb.h"
#else
#define debug(...) 
#endif

const int inf = 1e9;

void solve() {
  int n;
  cin >> n;
  vector<int> l(n), r(n);
  for (int i = 0; i < n; i++) {
    cin >> l[i] >> r[i];
    --l[i]; --r[i];
  }
  vector<vector<int>> dp(n, vector<int>(n, inf));
  int q;
  cin >> q;
  while (q--) {
    int x;
    cin >> x;
    --x;
    dp[l[x]][r[x]] = 1;
    for (int length = 1; length <= n; length++) {
      for (int i = 0; i < n - length + 1; i++) {
        for (int j = i; j <= i + length - 1; j++) {
          dp[min(i, l[j])][max(i, r[j])] = min(dp[min(i, l[j])][max(i, r[j])], dp[i][i + length - 1] + 1);
        }
      }
    }
    cout << ((dp[0][n - 1] == inf) ? -1 : dp[0][n - 1]) << '\n';
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int t = 1;
  // cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}

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