Submission #432678

#	Time	Username	Problem	Language	Result	Execution time	Memory
432678		Ruba_K	Stations (IOI20_stations)	C++14	0 / 100	2807 ms	2097156 KiB

stations

#include "stations.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std ;

int zft ;
const int N = 1e3 + 3 ;
vector<int> labels;
vector<int> adj[N];
void zftquestion(int u , int p  ){

    labels[u] = ++zft ;

    for(auto f : adj[u]){
        if(f != p)
            zftquestion(f , u);

    }


}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {

    labels.resize(n);
	 for(int i = 0 ; i < n - 1 ; i ++)
        adj[u[i]].push_back(v[i]) , adj[v[i]].push_back(u[i]);

     int st ;

     for(int i = 0 ; i < n ; i ++)
        if(adj[i].size() == 1)st = i ;

	zftquestion(st , -1);
	return labels;
}

int find_next_station(int s, int t,vector<int> c) {
    
    if(c.size() == 1)return c[0];

    if(s < t)return c[1];


	return c[0];
}

Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:30:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   30 |      for(int i = 0 ; i < n ; i ++)
      |      ^~~
stations.cpp:33:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   33 |  zftquestion(st , -1);
      |  ^~~~~~~~~~~
stations.cpp:33:13: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized]
   33 |  zftquestion(st , -1);
      |  ~~~~~~~~~~~^~~~~~~~~

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