Submission #391624

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
391624	2021-04-19 12:36:26	ljuba	Stations (IOI20_stations)	C++17	100 / 100	1136 ms	1012 KiB

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#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std; 
const int mxN = 1100;
vector<int> adj[mxN];
std::vector<int> labels;
int timer = 0;
void dfs(int s, int p, int pa) {
    if(pa^1)
        labels[s] = timer++;
    for(auto e : adj[s]) {
        if(e == p) continue;
        dfs(e, s, pa^1);
    }
    if(pa)
        labels[s] = timer++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    for(int i = 0; i < n; ++i) {
        adj[i].clear();
    }
    timer = 0;
    for(int i = 0; i < n-1; ++i) {
        adj[u[i]].push_back(v[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