Problem3256--【Div2】CSP-S2024P1-决斗

3256: 【Div2】CSP-S2024P1-决斗

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 11Submit Num: 21Statistics

Description



Sample Input Copy 

5
1 2 3 1 2

Sample Output Copy 

2

Source/Category

CSP-S 模拟 思维 离散化 排序 
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