@[brave张](/user/137134) 应该是马走的要加个边界判断
by Eason2009 @ 2020-04-18 10:54:54
@[Eason2009](/user/286448) 我去试一下 谢谢
by brave张 @ 2020-04-18 11:48:16
$i,j$为什么不从1开始循环呢？这样就可以只用判马口了呀\
```cpp
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(b[i][j]) continue;
dp[i][j]=dp[i-1][j]+dp[i][j-1];
}
}
```
by LuomuQDM @ 2020-04-18 12:11:33