Problem2265--AIO2021-ArtClass2

2265: AIO2021-ArtClass2

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 3Submit Num: 6Statistics

Description



Sample Input Copy 

5
2 3
3 1
4 2
4 4
6 1

Sample Output Copy 

12

HINT

Source/Category

AIO 
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