Submission #615269

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
615269	2022-07-31 08:07:48	alirezasamimi100	Stations (IOI20_stations)	C++17	0 / 100	883 ms	668 KiB

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 1e3 + 10;
int t=-1;
vector<int> ans,adj[N];
void dfs(int v, int p, int c){
    if(!c) ans[v]=++t;
    for(int u : adj[v]) if(u!=p) dfs(u,v,1-c);
    if(c) ans[v]=++t;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    ans.resize(n);
    t=-1;
    for(int i=0; i<n; i++) adj[i].clear();
    for(int i=0; i<(int)v.size(); i++){
        adj[v[i]].pb(u[i]);
        adj[u[i]].pb(v[i]);
    }
    dfs(0,-1,0);
    return ans;
}
int find_next_station(int s, int t, vector<int> c) {
    int k;
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61