Submission #322073

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
322073	2020-11-14 02:28:45	gurkot	Stations (IOI20_stations)	C++14	100 / 100	1136 ms	1136 KiB

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#include "stations.h"
#include <vector>
#include <iostream> 
using namespace std;
 
int fix[1000],lab[1000],timer,lev;
vector <int> gr[1000];
 
void dfs(int u){ 
 
 fix[u]=1; lev++;
 if((lev&1)==0) lab[u]=timer++;    
 
    
 for(int i=0;i<(int)gr[u].size();i++)
  if(fix[gr[u][i]]==0) dfs(gr[u][i]);   
  
 if((lev&1)==1) lab[u]=timer++;
 lev--; 
}
 
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
 vector <int> labels; labels.resize(n);
 
 for(int i=0;i<n;i++) {
  gr[i].clear();  lab[i]=fix[i]=0;
 }
  
 for (int i=0; i<(int)u.size(); i++) {
  gr[u[i]].push_back(v[i]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:49:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |   for(int i=1; i<c.size()-1; i++)
      |                ~^~~~~~~~~~~

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