oj.uz

Submission #708059

# Submission time Handle Problem Language Result Execution time Memory
708059 2023-03-11T02:44:57 Z Github Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 518 ms 77092 KB 
#include <iostream>
#include <vector>
#include <queue>
#include <cmath>
#include <algorithm>
using namespace std;

#define speedup ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define ll long long
#define INF 1e18

ll travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
    int n = N, m = M, k = K;
    vector<vector<pair<int, ll>>> graph(n);
    for (int i = 0; i < m; i++){
        graph[R[i][0]].push_back({R[i][1], L[i]});
        graph[R[i][1]].push_back({R[i][0], L[i]});
    }
    ll dist[n][2];
    for (int i = 0; i < n; i++){
        dist[i][0] = INF, dist[i][1] = INF;
    }
    priority_queue<pair<ll, pair<int, int>>, vector<pair<ll, pair<int, int>>>, greater<pair<ll, pair<int, int>>>> pq;
    for (int i = 0; i < k; i++){
        dist[P[i]][0] = 0;
        dist[P[i]][1] = 0;
        pq.push({0, {P[i], 1}});
    }
    while (!pq.empty()){
        ll cur_dis = pq.top().first;
        int u = pq.top().second.first, type = pq.top().second.second;
        pq.pop();
        if (cur_dis != dist[u][type]){
            continue;
        }
        for (pair<int, int> p: graph[u]){
            int v = p.first, w = p.second;
            if (dist[v][0] > w + cur_dis){
                dist[v][1] = dist[v][0];
                dist[v][0] = w+cur_dis;
                pq.push({dist[v][1], {v, 1}});
            }else if (dist[v][1] > w + cur_dis){
                dist[v][1] = w + cur_dis;
                pq.push({dist[v][1], {v, 1}});
            }
        }
    }
    return dist[0][1];
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 348 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 426 ms 67532 KB Output is correct
17 Correct 90 ms 16572 KB Output is correct
18 Correct 117 ms 18968 KB Output is correct
19 Correct 518 ms 77092 KB Output is correct
20 Correct 258 ms 52764 KB Output is correct
21 Correct 39 ms 7232 KB Output is correct
22 Incorrect 273 ms 48756 KB Output isn't correct
23 Halted 0 ms 0 KB -