Submission #1368112

#	Time	Username	Problem	Language	Result	Execution time	Memory
1368112		cansu_mutlu	Stations (IOI20_stations)	C++20	0 / 100	1 ms	564 KiB

stations

#include "stations.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
const int mxn = 1e3+3;
vector<int> a[mxn];
int cur = 0;
int l[mxn];
void dfs(int s,int anne,int c)
{
  if(c==0)
  {
    l[s] = cur;
  }
  cur++;
  for(int x:a[s])
  {
    if(x!=anne)
    {
      dfs(x,s,1-c);
    }
  }
  if(c==1)
  {
    l[s]=cur;
  }
  cur++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	cur = 0;
  for(int i=0;i<n;i++)
  {
    a[i].clear();
  }
  vector<int> c(n);
  for(int i=0;i<n-1;i++)
  {
    a[u[i]].push_back(v[i]);
    a[v[i]].push_back(u[i]);
  }
  dfs(0,-1,0);
  for(int i=0;i<n;i++)c[i] = l[i];
  return c;
}

int find_next_station(int s, int t, std::vector<int> c)
{
  int n = c.size();
	
    vector<int> in(n+1);
    if(t<s || t>c.back()) return c[0];
    c[0] = s;
    for(int i=1;i<n;i++)
    {
      if(t>c[i-1] && t<=c[i]) return c[i];
    }
 
}

Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:58:1: warning: control reaches end of non-void function [-Wreturn-type]
   58 | }
      | ^

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