随笔分类 - String
摘要：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 conca
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摘要：Given two strings S and T, determine if they are both one edit distance apart. 分析：https://segmentfault.com/a/1190000003906621 虽然我们可以用Edit Distance的解法，
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摘要：Compare two version numbers version1 and version2.If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assum
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摘要：Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified. You shou
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摘要：Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true Note: It is intended for the
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摘要：The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font
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摘要：Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can f
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摘要：Additive number is a string whose digits can form additive sequence. A valid additive sequence should contain at least three numbers. Except for the f
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摘要：Remove Duplicate Letters I Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only on
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摘要：Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assum
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摘要：Given a string, find the longest substring that contains only two unique characters. For example, given "abcbbbbcccbdddadacb", the longest substring t
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摘要：Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-neg
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摘要：You are playing the following Bulls and Cows game with your friend: You write down a number and ask your friend to guess what the number is. Each time
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摘要：Given a list of unique words. Find all pairs of distinct indices (i, j) in the given list, so that the concatenation of the two words, i.e.words[i] +
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摘要：All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to
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摘要：Flip Game I Problem Description: You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + a
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摘要：Word Pattern | Given a pattern and a string str, find if str follows the same pattern. Examples: Notes: solution: Split the string, and add the pair t
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摘要：Given a string, we can "shift" each of its letter to its successive letter, for example: "abc" -> "bcd". We can keep "shifting" which forms the sequen
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摘要：Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list
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摘要：Implement function atoi to convert a string to an integer. If no valid conversion could be performed, a zero value is returned. If the correct value i
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