oj.uz

Submission #851226

# Submission time Handle Problem Language Result Execution time Memory
851226 2023-09-19T02:30:58 Z NeroZein Crocodile's Underground City (IOI11_crocodile) C++17
100 / 100
 397 ms 47308 KB 
#include "crocodile.h"
#include "bits/stdc++.h"
using namespace std; 
 
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]) {
  vector<vector<pair<int, int>>> g(N);
  for (int i = 0; i < M; ++i) {
    g[R[i][0]].emplace_back(R[i][1], L[i]);
    g[R[i][1]].emplace_back(R[i][0], L[i]);
  }
  vector<vector<int>> dis(N, vector<int> (2, 1e9)); 
  priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq; 
  for (int i = 0; i < K; ++i) {
    dis[P[i]][0] = dis[P[i]][1] = 0;
    pq.emplace(0, P[i]);
  }
  while (!pq.empty()) {
    auto [c, v] = pq.top();
    pq.pop();
    if (c != dis[v][1]) {
      continue;
    }
    for (auto [u, w] : g[v]) {
      int nc = c + w;
      if (nc < dis[u][0]) {
        if (dis[u][0] < dis[u][1]) {
          dis[u][1] = dis[u][0];
          pq.emplace(dis[u][1], u); 
        }
        dis[u][0] = nc; 
      } else if (nc < dis[u][1]) {
        dis[u][1] = nc; 
        pq.emplace(dis[u][1], u);
      }
    }
  }
  return dis[0][1];
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4696 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 4 ms 4440 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct
13 Correct 3 ms 4696 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 2 ms 4440 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4696 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 4 ms 4440 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct
13 Correct 3 ms 4696 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 2 ms 4440 KB Output is correct
16 Correct 304 ms 40996 KB Output is correct
17 Correct 62 ms 16840 KB Output is correct
18 Correct 70 ms 17840 KB Output is correct
19 Correct 397 ms 47308 KB Output is correct
20 Correct 208 ms 35240 KB Output is correct
21 Correct 28 ms 9052 KB Output is correct
22 Correct 220 ms 33208 KB Output is correct