Problem3446--【Div3】gesp2506L4P2- 排序

3446: 【Div3】gesp2506L4P2- 排序

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 1Submit Num: 2Statistics

Description




Sample Input Copy 

5
1 60
3 70
2 80
4 55
4 50

Sample Output Copy 

8

Source/Category

GESP Div3 排序 
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