参考: Remove space after figure and before text Latex: 减少图与文字之间的空白间隙 论文中图与文字之间的空白间隙过大,导致排版不大美观.解决方法是在\begin{document}前定义\textfloatsep的长度,例如定义为5pt: \setlength{\textfloatsep}{5pt} 2018.4
给定一个字符串 s 和一些长度相同的单词 words.找出 s 中恰好可以由 words 中所有单词串联形成的子串的起始位置. 注意子串要与 words 中的单词完全匹配,中间不能有其他字符,但不需要考虑 words 中单词串联的顺序. 示例 1: 输入: s = "barfoothefoobarman", words = ["foo","bar"] 输出:[0,9] 解释: 从索引 0 和 9 开始的子串分别是 "barfoor&qu
You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a concatenation of each word in words exactly once and without any intervening characters. Example 1: Input