Problem3543--【Div2】USACO 2021Open-BronP1. Acowdemia II

3543: 【Div2】USACO 2021Open-BronP1. Acowdemia II

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 1Submit Num: 1Statistics

Description



Sample Input Copy 

1 3
dean elsie mildred
elsie mildred dean

Sample Output Copy 

B11
0B?
0?B

Source/Category

USACO map 模拟 
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