제출 #1008979

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1008979		makanhulia	Commuter Pass (JOI18_commuter_pass)	C++17	컴파일 에러	0 ms	0 KiB

commuter_pass

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
#define hitaf ios_base::sync_with_stdio(false); cin.tie(NULL);
#define fi first
#define se second

const ll MOD = 998244353;
const ll INF = 1e18;

ll n, m, s, t, u, V;
vector<pair<ll, ll>> adj[100005];
bool vis[100005];

int main(){
    //hitaf
    cin >> n >> m;
    cin >> s >> t;
    cin >> u >> V;
    
    vector<ll> dist(n + 2, INF), dist2(n + 2, INF);
    
    for(int i = 1; i <= m; i++){
        ll x, y, w;
        cin >> x >> y >> w;
        adj[x].push_back({y, w});
        adj[y].push_back({x,w});
    }
        
    priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq;
    pq.push({0, s});
    dist[s] = 0;    
    while(!pq.empty()){
        auto now = pq.top();
        pq.pop();
        
        if(dist[now.se] < now.fi) continue;
        for(auto v: adj[now.se]){
            if(dist[v.fi] < now.fi + v.se) continue;
            dist[v.fi] = now.fi + v.se;
            pq.push({dist[v.fi], v.fi});
        }
    }
        
    set<pair<ll, ll>> st;
    queue<ll> q;
    q.push(t);
    while(!q.empty()){
        ll u = q.top();
        q.pop();
        if(vis[u]) continue;
        for(auto v: adj[u]){
            if(dist[v.fi] + v.se == dist[u]){
                st.insert({v.fi, u});
                vis[v.fi] = true;
                q.push(v.fi);
            }
        }
    }
        
    priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq2;
    pq2.push({0, u});
    while(!pq2.empty()){
        auto now = pq2.top();
        pq2.pop();
        
        if(dist2[now.se] < now.fi) continue;
        for(auto v: adj[now.se]){
            ll w = v.se;
            if(st.find({v.fi, now.se}) != st.end()) w = 0;
            if(dist2[v.fi] < now.fi + w) continue;
            dist2[v.fi] = now.fi + w;
            pq2.push({dist2[v.fi], v.fi});
        }
    }
            
    cout << dist2[V] << endl;        
}
    

/*
    7 1 2 9 0
*/

컴파일 시 표준 에러 (stderr) 메시지

commuter_pass.cpp: In function 'int main()':
commuter_pass.cpp:50:18: error: 'class std::queue<long long int>' has no member named 'top'; did you mean 'pop'?
   50 |         ll u = q.top();
      |                  ^~~
      |                  pop