Problem2624--蓝桥杯国赛真题选训 - 最少问题

2624: 蓝桥杯国赛真题选训 - 最少问题

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 7Submit Num: 14Statistics

Description

Sample Input Copy 

5 17

Sample Output Copy 

4

Source/Category

蓝桥杯 
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