Submission #305153

#	Time	Username	Problem	Language	Result	Execution time	Memory
305153		ScarletS	Stations (IOI20_stations)	C++17	8 / 100	1055 ms	896 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

bool can_contract(int x, int y)
{
	for (int i=0;i<13;++i)
	{
		if (x==y)
			return 1;
		y/=2;
	}
	return 0;
}

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	std::vector<int> labels(n);
	for (int i = 0; i < n; i++) {
		labels[i] = i;
	}
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
	if (can_contract(2*(s+1),t+1))
		return 2*(s+1)-1;
	if (can_contract(2*(s+1)+1,t+1))
		return 2*(s+1);
	return (s-1)/2;
}

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