**呃呃呃###额额**
by 郑涵希 @ 2018-01-04 20:03:10
###额
by 郑涵希 @ 2018-01-04 20:03:21
###额
by 郑涵希 @ 2018-01-04 20:03:34
**额**
by 郑涵希 @ 2018-01-04 20:03:43
```cpp
#include<iostream>
using namespace std;
int n,m,ans,t,t1,t2,a[6][6],b[6][6],x0,y0,x1,y1;
void dfs(int i,int j)
{
if(i<1||j<1||i>n||j>m)
return;
if(a[i][j]==1||b[i][j]==1)
return;
if (i==x1&&j==y1)
{
ans++;
return ;
}
else
{
b[i][j]=1;
dfs(i+1,j);
dfs(i,j+1);
dfs(i-1,j);
dfs(i,j-1);
b[i][j]=0;
}
}
int main()
{
cin >> n >> m >> t;
cin >> x0 >> y0 >> x1 >> y1;
for (int i=1; i<=t; i++)
{
cin >> t1 >> t2;
a[t1][t2]=1;
}
if(a[x0][y0]==1)
cout<<"0";
dfs(x0,y0);
cout<<ans;
return 0;
}
############################################################################################送你了
```
by 郑涵希 @ 2018-01-04 20:04:59
###。
by 郑涵希 @ 2018-01-04 20:05:17
kg[](U2FsdGVkX1+iN9wh58aZU3M8E7inc45l65DCfXnQMPg=)
by 江户川·萝卜 @ 2020-07-12 09:22:12
kg
[](123)
by juruojjl_ @ 2020-08-11 21:01:45