Problem3376--【Div2】GESP四级2025MarP1- 荒地开垦

3376: 【Div2】GESP四级2025MarP1- 荒地开垦

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 7Submit Num: 15Statistics

Description


对于全部数据，保证有 1<= n,m <=1000

Sample Input Copy 

3 5
.....
.#..#
.....

Sample Output Copy 

11

Source/Category

GESP 二维数组 
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