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Submission #364713

# Submission time Handle Problem Language Result Execution time Memory
364713 2021-02-09T19:13:40 Z WLZ Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 626 ms 63332 KB 
#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;

const int INF = 0x3f3f3f3f;

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]].push_back({R[i][1], L[i]});
    g[R[i][1]].push_back({R[i][0], L[i]});
  }
  vector<int> dist1(N, INF), dist2(N, INF);
  for (int i = 0; i < K; i++) dist1[P[i]] = dist2[P[i]] = 0;
  priority_queue< pair<int, int>, vector< pair<int, int> >, greater< pair<int, int> > > pq;
  for (int i = 0; i < K; i++) pq.push({0, P[i]});
  while (!pq.empty()) {
    int u = pq.top().second, d = pq.top().first; pq.pop();
    if (d > dist2[u]) continue;
    for (auto& v : g[u]) {
      if (dist2[u] + v.second < dist1[v.first]) {
        dist2[v.first] = dist1[v.first];
        dist1[v.first] = dist2[u] + v.second;
        pq.push({dist2[v.first], v.first});
      } else if (dist2[u] + v.second < dist2[v.first]) {
        dist2[v.first] = dist2[u] + v.second;
        pq.push({dist2[v.first], v.first});
      }
    }
  }
  return dist2[0];
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 4 ms 876 KB Output is correct
13 Correct 4 ms 876 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 4 ms 876 KB Output is correct
13 Correct 4 ms 876 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 502 ms 56928 KB Output is correct
17 Correct 104 ms 14952 KB Output is correct
18 Correct 134 ms 16360 KB Output is correct
19 Correct 626 ms 63332 KB Output is correct
20 Correct 316 ms 47340 KB Output is correct
21 Correct 46 ms 6508 KB Output is correct
22 Incorrect 343 ms 44868 KB Output isn't correct