제출 #31910

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
31910	2017-09-14 09:39:20	chonka	Tracks in the Snow (BOI13_tracks)	C++98	97.81 / 100	2000 ms	105520 KiB

tracks

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#include<iostream>
#include<stdio.h>
#include<string>
#include<queue>
using namespace std ;
#define MAXN 4007
int n , m ;
string a[ MAXN ] ;
int used[ MAXN ][ MAXN ] ;
int ans = 0 ;
int dx[ 4 ] = { 0 , 0 , 1 , -1 } ;
int dy[ 4 ] = { 1 , -1 , 0 , 0 } ;
void bfs ( ) {
    queue < pair < int , int > > q ;
    queue < pair < int , int > > aux ;
    int i , j ;
    used[ n ][ m ] = 1 ;
    q.push ( make_pair ( n , m ) ) ;
    while ( 1 ) {
        ans ++ ;
        while ( q.empty ( ) == false ) {
            pair < int , int > p = q.front ( ) ;
            q.pop ( ) ;
            int i ;
            for ( i = 0 ; i < 4 ; i ++ ) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tracks.cpp: In function 'void bfs()':
tracks.cpp:21:9: warning: unused variable 'i' [-Wunused-variable]
     int i , j ;
         ^
tracks.cpp:21:13: warning: unused variable 'j' [-Wunused-variable]
     int i , j ;
             ^

• Subtask 1: 30 / 30
• Subtask 2: 67.8125 / 70