Submission #315697

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
315697	2020-10-23 16:55:48	Sorting	Stations (IOI20_stations)	C++17	100 / 100	1160 ms	1152 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 1000 + 3;
vector<int> adj[N];
int dfs(int u, int p, int idx, bool big, vector<int> &labels){
    if(!big) labels[u] = idx++;
    for(int to: adj[u]){
        if(to == p) continue;
        idx = dfs(to, u, idx, !big, labels);
    }
    
    if(big) labels[u] = idx++;
    return idx;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v){
    for(int i = 0; i < n; ++i)
        adj[i].clear();
    for(int i = 0; i < n - 1; ++i){
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61