#数组和字符串 · 小土刀 5.0

2016-01-04

Determine String Permutation

Given two strings, determine if they are permutations of each other.

2016-01-04

Evaluate the value of an arithmetic expression in Reverse Polish Notation.

2016-01-04

Related to question Excel Sheet Column Title

2016-01-04

Given a positive integer, return its corresponding column title as appear in an Excel sheet.

2016-01-04

给出一个字符串数组S，找到其中所有的乱序字符串(Anagram)。如果一个字符串是乱序字符串，那么他存在一个字母集合相同，但顺序不同的字符串也在S中。

2016-01-04

According to the Wikipedia's article: The Game of Life, also known simply as Life, is a cellular automaton dev

2016-01-04

格雷编码是一个二进制数字系统，在该系统中，两个连续的数值仅有一个二进制的差异。

2016-01-04

Follow up for H-Index: What if the citations array is sorted in ascending order?

2016-01-04

Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to com

2016-01-04

给出一个整数数组，堆化操作就是把它变成一个最小堆数组。