oj.uz

Submission #832804

# Submission time Handle Problem Language Result Execution time Memory
832804 2023-08-21T15:44:07 Z jlallas384 Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
 360 ms 48588 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[]){
    priority_queue<pair<ll,int>> pq;
    vector<vector<int>> dist(n);
    for(int i = 0; i < k; i++){
        pq.emplace(0, p[i]);
        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(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);
                }
            }
        }
    }
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:7:34: warning: control reaches end of non-void function [-Wreturn-type]
    7 |     priority_queue<pair<ll,int>> pq;
      |                                  ^~

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 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 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 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 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 3 ms 724 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 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 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 3 ms 724 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 293 ms 41356 KB Output is correct
17 Correct 61 ms 15048 KB Output is correct
18 Correct 64 ms 14628 KB Output is correct
19 Correct 360 ms 48588 KB Output is correct
20 Correct 199 ms 34160 KB Output is correct
21 Correct 32 ms 5964 KB Output is correct
22 Incorrect 224 ms 31472 KB Output isn't correct
23 Halted 0 ms 0 KB -