oj.uz

Submission #832828

# Submission time Handle Problem Language Result Execution time Memory
832828 2023-08-21T15:51:37 Z jlallas384 Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
 377 ms 49976 KB 
#include <bits/stdc++.h>
#include "crocodile.h"
using namespace std;
using ll = long long;

int travel_plan(int n, int m, int r[][2], int L[], int k, int p[]){
    vector<int> lst(n);
    priority_queue<pair<ll,int>> pq;
    vector<vector<ll>> dist(n);
    for(int i = 0; i < k; i++){
        pq.emplace(0, p[i]);
        lst[p[i]] = 1;
        dist[p[i]].push_back(0);
        dist[p[i]].push_back(0);
    }
    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]);
    }
    while(pq.size()){
        auto [d, v] = pq.top(); pq.pop();
        if(-d > dist[v].back()) continue;
        if(v == 0) return -d;
        for(auto [u, w]: g[v]) if(!lst[u]){
            if(dist[u].empty()){
                dist[u].push_back(-d + w);
            }else if(dist[u].size() == 1){
                dist[u].push_back(-d + w);
                sort(dist[u].begin(), dist[u].end());
                pq.emplace(-dist[u][1], u);
            }else{
                if(-d + w < dist[u][1]){
                    dist[u].push_back(-d + w);
                    sort(dist[u].begin(), dist[u].end());
                    dist[u].pop_back();
                    pq.emplace(-dist[u][1], u);
                }
            }
        }
    }
    assert(false);
}

Subtask #1
46.0 / 46.0

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

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 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 468 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 2 ms 724 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 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 468 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 2 ms 724 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 320 ms 41544 KB Output is correct
17 Correct 62 ms 15520 KB Output is correct
18 Correct 81 ms 15044 KB Output is correct
19 Correct 377 ms 49976 KB Output is correct
20 Correct 204 ms 34328 KB Output is correct
21 Correct 30 ms 6356 KB Output is correct
22 Incorrect 235 ms 32064 KB Output isn't correct
23 Halted 0 ms 0 KB -