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📄 toj_2947.cpp

📁 Tianjin University Online Judge 的80多道题目 .
💻 CPP
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#include<cstdio>#include<cstdlib>#include<cstring>#define MAXNUM 60char m[ MAXNUM ][ MAXNUM ];int timeStamp[ MAXNUM ][ MAXNUM ];const int dir[ 4 ][ 2 ] = { 0 , -1 , 1 , 0 , 0 , 1 , -1 , 0 };    int r , c;// void timeFlood( int i0 , int j0 )// {//     int i1 , j1;//     bool flag = true;//     for( i = 0; i < 4; i++ )//     {//         i1 = i0 +dir[ i ][ 0 ];//         j1 = j0 + dir[ i ][ 1 ];//         if( m[ i1 ][ j1 ] == '*' && !timeStamp[ i1 ][ j1 ] ){//         timeStamp[ i1 ][ j1 ]void printM(){    int i , j;    for( i = 0; i < r; i++ ){        for( j = 0; j < c; j++ )            printf( "%d " , timeStamp[ i ][ j ] );        printf( "\n" );    }}      int main(){    int i , j , k , i1 , j1 ,  time , as[ 2 ];    bool flag1 , flag2;        freopen( "toj_2947.in" , "r" , stdin );    freopen( "toj_2947.out" , "w" , stdout );    scanf( "%d%d" , &r , &c );    for( i = 0; i < r; i++ )        scanf( "%s" , m[ i ] );    time = 0;    memset( timeStamp , 0 , sizeof( timeStamp ) );    for( flag1 = true , time = 1; flag1 ; time++ ){        for( i = 0; i < r; i++ ){            for( j = 0; j < c; j++ ){                flag2 = false;                printf( "%c" , m[ i ][ j ] );                if( m[ i ][ j ] == '*' ){                    flag2 = true;                    m[ i ][ j ] = '$';                    for( k = 0; k < 4; k++ ){                        i1 = i + dir[ k ][ 0 ];                        j1 = j + dir[ k ][ 1 ];                        if( m[ i ][ j ] == '.' ){                            timeStamp[ i ][ j ] = time;                            m[ i ][ j ] = '*';                        }                    }                }                printf( "\n" );            }            if( !flag2 ){                break;                flag1 = false;//                        goto next1;            }        }    //next1:        printM();        return 0;    }                                                                                                                        /*      }      next:      timeFlood( i , j );    */

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