Codeforces Round #533 (Div. 2) 部分题解A~D

Codeforces Round #533 (Div. 2) 部分题解A~D A. Salem and Sticks 题目描述 Salem gave you n n n sticks with integer positive lengths a1,a2,…,an a_1, a_2, \ldots, a_n a1​,a2​,…,an​ . For every stick, you can chan

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