uva227 - Puzzle

链接：https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=163

code

#include<stdio.h>
#include<ctype.h>

char puzzle[5][5];

bool move(char chs[5][5], int x,int y, int deX,int deY)
{
	bool flag = true;
	
	if( x + deX >= 0 && x + deX < 5 && y + deY >= 0 && y + deY < 5 )
	{

		char temp = chs[x][y];
		chs[x][y] = chs[x + deX][y + deY];
		chs[x + deX][y + deY] = temp;

	}
	else flag = false;
	
	return flag;
}

int main()
{
	char ch;
	int index = 1;
	while(gets(puzzle[0]))
	{
		
		int x,y;
         if(puzzle[0][0]=='Z')break;
         for(int col=1;col<5;col++)
             gets(puzzle[col]);
         for(int i=0;i<5;i++)
             for(int j=0;j<5;j++)
                 if(puzzle[i][j]==' '){
                     x=i;y=j;
					 break;
                 }
		scanf("%c",&ch);
		bool flag = true;
		while(!isdigit(ch))
		{
			if(flag)
			{
				switch(ch)
				{
				case 'A': 
					flag = move(puzzle,x,y,-1,0);
					if(flag) x -= 1;
					break;
				case 'B': 
					flag = move(puzzle,x,y,1,0);
					if(flag) x += 1;
					break;
				case 'L': 
					flag = move(puzzle,x,y,0,-1);
					if(flag) y -= 1;
					break;
				case 'R': 
					flag = move(puzzle,x,y,0,1);
					if(flag) y += 1;
					break;
				}
			}
			scanf("%c",&ch);
		}
		if(index != 1)printf("\n");
		printf("Puzzle #%d:\n", index);
		if(flag)
		{
			for(int i = 0 ; i < 5 ; i ++ )
			{
				printf("%c %c %c %c %c",puzzle[i][0],puzzle[i][1],puzzle[i][2],puzzle[i][3],puzzle[i][4]);
				printf("\n");
			}
		}
		else printf("This puzzle has no final configuration.\n");
		index ++;
		scanf("%c",&ch);
	}
	return 0;
}

注意事项：首先一开始我是用getchar跟scanf来进行每行读取字符，结果老是没读对，暂时还没想出原因，最后一行只读一个字母，后来参考代码改用gets读取一行，然后再判断空格在哪个位置，第二个注意地方是输出，每行输出我一开始多了一个空格，报了WA结果，然后干脆写死每行输出从0到4就通过了