oj.uz

Submission #1086312

# Submission time Handle Problem Language Result Execution time Memory
1086312 2024-09-10T06:44:31 Z avighna Passport (JOI23_passport) C++17
0 / 100
 1 ms 604 KB 
#include <bits/stdc++.h>

typedef long long ll;

int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);

  ll n;
  std::cin >> n;
  std::vector<ll> l(n + 1), r(n + 1);
  for (ll i = 1; i <= n; ++i) {
    std::cin >> l[i] >> r[i];
  }

  ll q;
  std::cin >> q;
  while (q--) {
    ll x;
    std::cin >> x;
    std::vector dp(n + 1, std::vector<ll>(n + 1, 1e15));
    dp[x][x] = 0;
    for (ll len = 1; len <= n; ++len) {
      for (ll i = 1; i + len - 1 <= n; ++i) {
        for (ll j = i; j <= i + len - 1; ++j) {
          ll _l = l[j];
          ll _r = r[j];
          dp[_l][_r] = std::min(dp[_l][_r], dp[i][i + len - 1] + 1);
        }
      }
    }
    std::cout << (dp[1][n] == ll(1e15) ? -1 : dp[1][n]) << '\n';
  }
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -