제출 #294756

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
294756		Badrangiikh	경주 (Race) (IOI11_race)	C++14	컴파일 에러	0 ms	0 KiB

race

#include "race.h"
#include<bits/stdc++.h>
using namespace std;
 
int n , x , y , z , *l ;
vector < int > vec [ 1005 ] ;

void go ( int chi , int par , int len , int depth ) {
    if ( len == k ) {
        ans = min ( ans , depth ) ;
    }
    for ( int i = 0 ; i < vec [ chi ] . size ( ) ; i ++ ) {
        if ( vec [ chi ] [ i ] == par ) continue ;
        go ( vec [ chi ] [ i ] , chi , len + l [ vec [ chi ] [ i ] ] , depth + 1 ) ;
    }
    return ;
}

int best_path(int N, int K, int H[][2], int L[])  {
  k = K ;
  l = L ;
  for ( int i = 0 ; i < N - 1 ; i ++ ) {
        vec [ H [ i ] [ 0 ] ] . push_back ( H [ i ] [ 1 ] ) ;
        vec [ H [ i ] [ 1 ] ] . push_back ( H [ i ] [ 0 ] ) ;
    }
    int ans = 1001 ;
    for ( int i = 0 ; i < N ; i ++ ) {
        go ( i , -1 , 0 , 0 ) ;
    }
    if ( ans == 1001 ) return -1 ;
    else return ans ;
}

컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'void go(int, int, int, int)':
race.cpp:9:17: error: 'k' was not declared in this scope
    9 |     if ( len == k ) {
      |                 ^
race.cpp:10:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   10 |         ans = min ( ans , depth ) ;
      |         ^~~
      |         abs
race.cpp:12:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for ( int i = 0 ; i < vec [ chi ] . size ( ) ; i ++ ) {
      |                       ~~^~~~~~~~~~~~~~~~~~~~~~~~
race.cpp: In function 'int best_path(int, int, int (*)[2], int*)':
race.cpp:20:3: error: 'k' was not declared in this scope
   20 |   k = K ;
      |   ^