UVA 10189   C - MINES p

本文详细解析了经典扫雷游戏的算法实现过程,通过输入输出示例清晰展示如何计算每个格子周围的雷数,并附带完整的C语言代码实现。

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C - MINES p 
Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld & %llu  

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Description



 Problem B: Minesweeper  


The Problem
Have you ever played Minesweeper? It's a cute little game which comes within a certain Operating System which name we can't really remember. Well, the goal of the game is to find where are all the mines within a MxN field. To help you, the game shows a number in a square which tells you how many mines there are adjacent to that square. For instance, supose the following 4x4 field with 2 mines (which are represented by an * character): 

*...
....
.*..
....
If we would represent the same field placing the hint numbers described above, we would end up with: 
*100
2210
1*10
1110
As you may have already noticed, each square may have at most 8 adjacent squares. 
The Input
The input will consist of an arbitrary number of fields. The first line of each field contains two integers n and m (0 < n,m <= 100) which stands for the number of lines and columns of the field respectively. The next n lines contains exactly m characters and represent the field. Each safe square is represented by an "." character (without the quotes) and each mine square is represented by an "*" character (also without the quotes). The first field line where n = m = 0 represents the end of input and should not be processed. 

The Output
For each field, you must print the following message in a line alone: 

Field #x:Where x stands for the number of the field (starting from 1). The next n lines should contain the field with the "." characters replaced by the number of adjacent mines to that square. There must be an empty line between field outputs. 
Sample Input

4 4
*...
....
.*..
....
3 5
**...
.....
.*...
0 0

Sample Output

Field #1:
*100
2210
1*10
1110

Field #2:
**100
33200
1*100

--------------------------------------------------------------------------------
? 2001 Universidade do Brasil (UFRJ). Internal Contest Warmup 2001. 
Input

Output

Sample Input

Sample Output

Hint

[Submit]   [Go Back]   [Status] 
这题其实挺简单的,但是就是一个空行的位置让我纠结了半天也没过,注意啊注意
代码:
#include<stdio.h>
#include<string.h>
int main()
{
char map[202][202];
int num[202][202],k,s,kx,ky,i,j,m,n,sum=0,flag[8][2]={-1,-1,-1,0,-1,1,0,-1,0,1,1,-1,1,0,1,1};
scanf("%d%d",&m,&n);
if(m==0&&n==0)return 0;
while(1)
{
sum++;
memset(num,0,sizeof(num));
for(i=0;i<m;i++)
scanf("%s",map[i]);
printf("Field #%d:\n",sum);
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
if(map[i][j]=='*')
printf("*");
else{
s=0;
for(k=0;k<8;k++)
{
kx=i+flag[k][0];
ky=j+flag[k][1];
if(kx>=0&&kx<m&&ky>=0&&ky<n&&map[kx][ky]=='*')
s++;
}
printf("%d",s);
}
printf("\n");
}
scanf("%d%d",&m,&n);
if(m==0&&n==0)
break;
else printf("\n");
}
return 0;
}

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