Submission #758957

#	Time	Username	Problem	Language	Result	Execution time	Memory
758957		Adrian_Soriaga	Voting Cities (NOI22_votingcity)	C++14	5 / 100	67 ms	752 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pail;
ll dij(vector<pail> adj[] , int start ,int target , int nodes){
    ll INF = 1000000000000000;
    vector<int> done(nodes,0);
    vector<ll> distance(nodes,INF);
    priority_queue<pail, vector<pail>, greater<pail>> pq;
    pq.push({0,start});
    distance[start] = 0;
    while (!pq.empty()){
        ll u = pq.top().second;
        pq.pop();
        if (done[u]) continue;
        done[u] =1;
        for (auto x: adj[u]){
            ll v = x.first , w = x.second;
            if (distance[v] > distance[u]+ w) distance[v] = distance[u]+w;
            pq.push({distance[v],v});
        }
    }
    return distance[target];
}
int main(){
    ll n,e,k; cin>>n>>e>>k;
    int t; cin>>t;
    vector<pail> adj[n];
    for (int i=0; i<e;i++){
        ll a,b,w; cin>>a>>b>>w;
        adj[a].push_back({b,w});
        //adj[b].push_back({a,w});
    }
    int q; cin>>q;
    for (int i=0; i<q; i++){
        int s; cin>>s;
        int t_1,t_2,t_3,t_4,t_5; cin>>t_1>>t_2>>t_3>>t_4>>t_5;
        ll p = dij(adj,s,t,n);
        if (p ==1000000000000000000 ) cout<<-1<<"\n";
        else cout<<p<<"\n";
    }
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 10
• Subtask 7: 0 / 15
• Subtask 8: 0 / 50