Submission #1039140

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
10391402024-07-30 13:34:47Dan4LifeStations (IOI20_stations)C++17
0 / 100
583 ms940 KiB
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
using ll = long long;
using vi = vector<int>;
const int mxN = 1010;
vi labels;
int dfs_timer = 0;
vi adj[mxN];
void dfs(int s, int p){
labels[s] = dfs_timer++;
for(auto u : adj[s])
if(u!=p) dfs(u,s);
}
vi label(int n, int k, vi u, vi v) {
labels.clear();
labels.resize(n,0); dfs_timer=0;
for(int i = 0; i < n; i++) adj[i].clear();
for(int i = 0; i < sz(u); i++){
int a = u[i], b = v[i];
adj[a].pb(b), adj[b].pb(a);
}
dfs(0,-1);
return labels;
}
 
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