Submission #349795

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
349795	2021-01-18 12:13:56	blue	Stations (IOI20_stations)	C++17	100 / 100	989 ms	1232 KiB

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#include "stations.h"
#include <iostream>
#include <vector>
using namespace std;
 
vector<int> edge[1000];
vector<int> visit(1000, 0);
vector<int> L;
 
int dfs(int u, int a, bool flag) //vertex, minimum label, left/right?     return largest unused label
{
    visit[u] = 1;
 
    if(flag == 0)
    {
        L[u] = a;
        a++;
    }
 
    for(int v: edge[u])
    {
        if(visit[v]) continue;
        a = dfs(v, a, !flag);
    }
 
    if(flag == 1)
    {
        L[u] = a;
        a++;
    }
 
 
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:62:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |         for(int i = 0; i < c.size(); i++) if(t <= c[i]) return c[i];
      |                        ~~^~~~~~~~~~

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