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CF
1182B1300· pupil1s256 MB⌨ stdin/stdout
#dfs and similar#implementation#strings

Examples

Sample 1of 6
Input
5 6
......
..*...
.****.
..*...
..*...
Output
YES
Sample 2of 6
Input
3 5
..*..
****.
.*...
Output
NO
Sample 3of 6
Input
7 7
.......
...*...
..****.
...*...
...*...
.......
.*.....
Output
NO
Sample 4of 6
Input
5 6
..**..
..**..
******
..**..
..**..
Output
NO
Sample 5of 6
Input
3 7
.*...*.
***.***
.*...*.
Output
NO
Sample 6of 6
Input
5 10
..........
..*.......
.*.******.
..*.......
..........
Output
NO
1182B.cpp
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Ln 11·137 BGNU C++20 (64)
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