Submission #719352

#	Time	Username	Problem	Language	Result	Execution time	Memory
719352		mseebacher	Stations (IOI20_stations)	C++17	0 / 100	758 ms	668 KiB

stations

#include "stations.h"
#include <bits/stdc++.h> 

using namespace std;

#define MAXI (int)1e3+10

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

int tiefe = 0;

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

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

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

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61