Problem3423--【Div2】abc408d - Flip to Gather

3423: 【Div2】abc408d - Flip to Gather

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 0Submit Num: 0Statistics

Description



Sample Input Copy 

3
5
10011
10
1111111111
7
0000000

Sample Output Copy 

1
0
0

Source/Category

Div2 dp 
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