Submission #1080043

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080043		Faisal_Saqib	Stations (IOI20_stations)	C++17	8 / 100	641 ms	944 KiB

stations

#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
const int N=1e3+100;
vector<int> ma[N];
vector<int> labels;
void dfs(int x,int v,int p)
{
	labels[x]=v;
	for(auto y:ma[x])
	{
		if(y==p)continue;
		dfs(y,v+1,x);
	}
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	labels.resize(n,0);
	for(int i=0;i<(n);i++)ma[i].clear(),labels[i]=i;
	// for(int i=0;i<(n-1);i++)
	// {
	// 	ma[u[i]].push_back(v[i]);
	// 	ma[v[i]].push_back(u[i]);
	// }
	// for(int i=0;i<n;i++)
	// {
	// 	if(ma[i].size()==1)
	// 	{
	// 		dfs(i,0,-1);
	// 	}
	// }
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
	sort(begin(c),end(c));
	vector<int> vip={t};
	while(t>0)
	{
		t=(t-1)/2;
		vip.push_back(t);
	}
	for(int j=1;j<vip.size();j++)
		if(vip[j]==s)
			return vip[j-1];
	return (s-1)/2;
}

Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:43:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |  for(int j=1;j<vip.size();j++)
      |              ~^~~~~~~~~~~

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