Submission #591791

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
591791	2022-07-07 22:56:44	APROHACK	Stations (IOI20_stations)	C++14	100 / 100	902 ms	788 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
#include <vector>
#define ff first
#define ss second
#define ll long long
#define pb push_back
using namespace std;
const int N = 1005;
vector<int>adj[N];
bool vis[N];
int cur = 0;
int labeled[N];
void dfs(int node, bool in){
  vis[node]=true;
  if(in)labeled[node]=cur++;
  for(int i = 0 ;i < adj[node].size() ; i++){
    if(!vis[adj[node][i]])dfs(adj[node][i], !in);
  }
  if(!in)labeled[node]=cur++;
}
vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  cur=0;
  memset(vis, false, sizeof vis);
  for(int i = 0 ; i < n ; i++){
    adj[i].clear();
  }
  vector<int> labels(n);
  for(int i = 0 ; i < n-1  ; i ++){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stations.cpp: In function 'void dfs(int, bool)':
stations.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i = 0 ;i < adj[node].size() ; i++){
      |                 ~~^~~~~~~~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:61:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |    for(int i = 0 ; i < c.size() ; i++){
      |                    ~~^~~~~~~~~~

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