Submission #801953

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
801953	2023-08-02 08:40:30	vjudge1	Railway Trip (JOI17_railway_trip)	C++17	20 / 100	2059 ms	13992 KiB

railway_trip

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e5 + 10;
const int INF = 1e9 + 10;
vector<int> g[N];
int n, k, q;
int H[N];
vector<int> dist(N);
vector<int> pr(N);
void bfs(vector<int> st) {
    dist.assign(n + 1, INF);
    pr.assign(n + 1, -1);
    queue<int> q;
    vector<bool> vis(n + 1, false);
    int inx = 0;
    for(int c : st) {
        dist[c] = 0;
        vis[c] = 1;
        pr[c] = inx++;
        q.push(c);
    } 
    while(!q.empty()) {
        int s = q.front();
        q.pop();
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55