제출 #719296

#제출 시각아이디문제언어결과실행 시간메모리
719296mseebacherStations (IOI20_stations)C++17
0 / 100
3090 ms2097152 KiB
#include "stations.h"
#include <bits/stdc++.h> 

using namespace std;

#define MAXI (int)1e3+10

vector<int> ad[MAXI];
vector<int> labels;

void dfs(int x,int e,int tiefe){
	labels[x] = tiefe;
	for(auto s: ad[x]){
		if(s == e) continue;
		dfs(s,x,tiefe++);
	}
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	labels.assign(n,0);
	for(int i = 0;i<n-1;i++){
		ad[u[i]].push_back(v[i]);
		ad[v[i]].push_back(u[i]);
	}
	int start = -1;
	for(int i = 0;i<n;i++){
		if(ad[i].size() == 1) start = i;
	}
	dfs(start,-1,0);
	vector<int> dummy = labels;
	return dummy;
}

int find_next_station(int s, int t, std::vector<int> c) {
	if(s > t) return c[0];
	return c[1];
}
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