Problem2992--【Div3】USACO2024Jan铜P2-加农炮

2992: 【Div3】USACO2024Jan铜P2-加农炮

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 2Submit Num: 9Statistics

Description



Sample Input Copy 

5 2
0 1
1 1
1 2
0 1
1 1

Sample Output Copy 

1

Source/Category

Div3 模拟 
Submit