Problem3549--【Div3】USACO2021FebP2-Comfortable Cows

3549: 【Div3】USACO2021FebP2-Comfortable Cows

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 1Submit Num: 6Statistics

Description



Sample Input Copy 

8
0 1
1 0
1 1
1 2
2 1
2 2
3 1
3 2

Sample Output Copy 

0
0
0
1
0
0
1
2

Source/Category

USACO 二维数组 桶 
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