```
b[i][j]=(a[i-1][j]+a[i+1][j]+a[i][j]+a[i][j-1]+a[i][j+1])/5;
```
题目要求四舍五入
by zl665269 @ 2023-12-31 20:56:41
@[zl665269](/user/941881) 谢谢
by denghuolanshan_1024 @ 2024-01-25 20:52:23