HACK2:
INPUT:
```
3 5
0 0 0 1 1
1 0 0 0 1
1 1 0 0 0
```
OUTPUT（其他的也有的可以）:
```
0
1 2 3
```
by kele7 @ 2024-01-01 20:39:18
@[离散小波变换°](/user/68344)
by kele7 @ 2024-01-01 20:40:34
HACK3
INPUT:
```
1 1
1
```
OUTPUT:
```
1
1
```
by kele7 @ 2024-01-01 20:41:53
可乐七小朋友边写 dp 边叉题解，实在恐怖
by Greenzhe @ 2024-01-01 21:24:22