4710: P9425 [蓝桥杯 2023 国 B] AB 路线
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:0
Solved:0
Description

Input

Output

Sample Input Copy
4 4 2
AAAB
ABAB
BBAB
BAAA
Sample Output Copy
8
HINT
