# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
853493 | nnin | Stations (IOI20_stations) | C++14 | 554 ms | 1048 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "stations.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
vector<int> adj[1005], tmp;
int ct;
void dfs(int u, int p) {
tmp[u] = ct++;
for(int n:adj[u]) {
if(n==p) continue;
dfs(n, u);
}
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
vector<int> labels(n);
tmp.clear();
tmp.resize(n);
for(int i=0;i<n;i++) adj[i].clear();
ct = 0;
for(int i=0;i<n-1;i++) {
adj[u[i]].push_back(v[i]);
adj[v[i]].push_back(u[i]);
}
dfs(0, 0);
for(int i=0;i<n;i++) labels[i] = tmp[i];
return labels;
}
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