##### **一定要细心**
## **一定要细心**
# **一定要细心**
```cpp
for(int i=1;i<=m;i++){
for(int j=1;i<=n;j++){
if(i==1&&j==1){
dp[i][j]=1;
}else if(vis[i][j]==1){
dp[i][j]=0;
}else{
dp[i][j]=dp[i-1][j]+dp[i][j-1];
}
}
}
```
第二层循环中的**i**<=n改为**j**<=n
by zhangzeshi @ 2023-08-01 12:35:52
@[MA_tian](/user/909367)
by zhangzeshi @ 2023-08-01 12:36:19
@[zhangzeshi](/user/739721)
谢谢大佬！
%%%
by MA_tian @ 2023-08-01 17:55:29