제출 #583238

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
583238	2022-06-25 06:29:36	LucaIlie	기지국 (IOI20_stations)	C++17	100 / 100	1033 ms	812 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
#define MAX_N 1000
using namespace std;
int l;
int lc[MAX_N], rc[MAX_N];
vector<int> edges[MAX_N];
vector<int> labels, c;
void dfs( int u, int p, int d ) {
    if ( d == 0 )
        labels[u] = l / 2;
    l++;
    for ( int v: edges[u] ) {
        if ( v != p )
            dfs( v, u, 1 - d );
    }
    if ( d == 1 )
        labels[u] = l / 2;
    l++;
}
vector<int> label( int n, int k, vector<int> u, vector<int> v ) {
    for ( int i = 0; i < n; i++ )
        edges[i].clear();
    for ( int i = 0; i < n - 1; i++ ) {
        edges[u[i]].push_back( v[i] );
 
 
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컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:62:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |             for ( i = 0; i < e.size() - 1; i++ )
      |                          ~~^~~~~~~~~~~~~~
stations.cpp:67:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for ( i = 0; i < c.size(); i++ )
      |                      ~~^~~~~~~~~~
stations.cpp:70:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |         for ( i = 1; i < c.size(); i++ )
      |                      ~~^~~~~~~~~~
stations.cpp:77:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |             for ( i = 1; i < e.size(); i++ )
      |                          ~~^~~~~~~~~~
stations.cpp:82:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |         for ( i = 0; i < c.size(); i++ )
      |                      ~~^~~~~~~~~~
stations.cpp:84:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |         for ( i = 0; i + 1 < c.size(); i++ )
      |                      ~~~~~~^~~~~~~~~~
stations.cpp:89:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |     for ( 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