题目: Cutting an integer means to cut a K digits lone integer Z into two integers of (K/2) digits long integers A and B. For example, after cutting Z = 167334, we have A = 167 and B = 334. It is intere
You have a long fence which consists of n sections. Unfortunately, it is not painted, so you decided to hire q painters to paint it. i-th painter will paint all sections x such that li≤x≤ri. Unfortun
目录 Problem DescriptionInputOutputSample InputSample Output原题链接解题思路代码实现(C++) Problem Description 给你一个序列X和另一个序列Z,当Z中的所有元素都在X中存在,并且在X中的下标顺序是严格递增的,那么就把Z叫做X的子序列。 例如:Z=<a,b,f,c>是序列X=<a,b,c,f,b,c>的一