Solution For Educational Codeforces Round 138 睡觉了,某些人可能根本不会写线段树。 Continue reading… 2022-10-21 by yuri3 题解 0
Solution For ICPC Online#1 Problem F 题意:给定n,k,求解长度为k的数列a,满足a_{i} \mid a_{i+1},其中n,k\leq 10^9。 Continue reading… 2022-09-23 by yuri3 题解 0
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