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5162: P8720 [蓝桥杯 2020 省 B2] 平面切分
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:0
Solved:0
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Description
Input
Output
Sample Input
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3 1 1 2 2 3 3
Sample Output
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6
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Source/Category
https://www.luogu.com.cn/problem/P8720
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