제출 #320483

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
320483		Ambok	기지국 (IOI20_stations)	C++14	0 / 100	1543 ms	2097156 KiB

stations

#include <stations.h>
#include <bits/stdc++.h>
using namespace std;
int coun=0; 
vector < vector <int> > vec(1000);
vector <int> L(1000);
void dfs (int x, int y, int h)
	{
		if (h%2==0) L[x]=coun;
		coun++;
		for (int i=0; i<vec[x].size(); i++)
		{
			if (vec[x][i]==y) continue;
			dfs(vec[x][i], x, h+1);
		}
		if (h%2==1) L[x]=coun;
		h--; coun++;
	}
vector <int> label(int n, int k, vector <int> u, vector <int> v)
{
	int s, h, i;
	L.resize(n);
	vec.resize(n);
	
	for (i=0; i<n; i++)
	{
		vec[u[i]].push_back(v[i]);
		vec[v[i]].push_back(u[i]);
	}
	
	L[0]=0; coun=0;
	dfs (0, 0, 0);
	return L;
}
int find_next_station(int s, int t, vector <int>c)
{
	int n=c.size(), i;
	int in[n+1], out[n+1];
	
	if (s>c[n-1])
	{
		in[n]=c[1]-1;
		out[n]=s;
		
		for (i=0; i<n; i++)
		in[i]=c[i];
		
		for (i=1; i<n; i++)
		{
			out[i]=in[i+1]-1;
		}
		if (t>in[n] && t<out[n])
		{
			for (i=1; i<n; i++)
			{
				if (t>=in[i] && t<=out[i]) return c[i];
			}
		}
		else return c[0];
	}
	else 
	{
		in[n]=s;
		out[n]=c[n-2]+1;
		
		for (i=0; i<n; i++)
		out[i]=c[i];
		in[0]=s+1;
		for (i=1; i<n; i++)
		{
			in[i]=out[i-1]+1;
		}
		
		if (t>in[n] && t<out[n])
		{
			for (i=0; i<n-1; i++)
			{
				if (t>=in[i] && t<=out[i]) return c[i];
			}
		}
		else return c[n-1];	
	}
}

컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'void dfs(int, int, int)':
stations.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |   for (int i=0; i<vec[x].size(); i++)
      |                 ~^~~~~~~~~~~~~~
stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:21:6: warning: unused variable 's' [-Wunused-variable]
   21 |  int s, h, i;
      |      ^
stations.cpp:21:9: warning: unused variable 'h' [-Wunused-variable]
   21 |  int s, h, i;
      |         ^
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:83:1: warning: control reaches end of non-void function [-Wreturn-type]
   83 | }
      | ^

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