Problem2929--【Div2】枚举练习-NOIP2002 - 选数

2929: 【Div2】枚举练习-NOIP2002 - 选数

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 8Submit Num: 9Statistics

Description

Sample Input Copy 

4 3
3 7 12 19

Sample Output Copy 

1

Source/Category

Div2 枚举 
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