oj.uz

답안 #727965

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
727965 2023-04-21T17:11:45 Z kirakaminski968 악어의 지하 도시 (IOI11_crocodile) C++17
0 / 100
 3 ms 396 KB 
#include <bits/stdc++.h>
using namespace std;
int solve(int N,int M,int (*edges)[2],int* L,int K,int *exits){
    vector<pair<int,int>> adj[N];
    for(int i = 0;i<M;++i){
        int a = edges[i][0], b = edges[i][1], c = L[i];
        adj[a].push_back({b,c}); adj[b].push_back({a,c});
    }
    vector<vector<int>> dist; vector<int> vis(N,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,exits[i]});
        dist[exits[i]].push_back(0); dist[exits[i]].push_back(0);
        vis[exits[i]]++;
    }
    while(!pq.empty()){
        int u = pq.top().second; int cur = pq.top().first; pq.pop();
        if(vis[u] >= 2) continue;
        vis[u]++;
        if(vis[u] != 2) continue;
        if(u == 0) return cur;
        for(auto p : adj[u]){
            if(dist[p.first].size() == 2){
                sort(dist[p.first].begin(),dist[p.first].end());
                if(cur+p.second < dist[p.first][1]){
                    dist[p.first].pop_back();
                    dist[p.first].push_back(cur+p.second);
                    pq.push({cur+p.second,p.first});
                }
            }
            else{
                dist[p.first].push_back(cur+p.second);
                pq.push({cur+p.second,p.first});
            }
        }
    }
}
int travel_plan(int n,int m,int (*r)[2],int* l,int k,int *p){
    return solve(n,m,r,l,k,p);
}

Compilation message

crocodile.cpp: In function 'int solve(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type]
   37 | }
      | ^

Subtask #1
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 3 ms 396 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 3 ms 396 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 3 ms 396 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -