#数组和字符串 · 小土刀 5.0

2016-01-02

Roman to Integer

给定一个罗马数字，将其转换成整数。

2016-01-02

Rotate an array of n elements to the right by k steps.

2016-01-02

You are given an n x n 2D matrix representing an image.

2016-01-02

给定一个字符串，要求把字符串前面的若干个字符移动到字符串的尾部，如把字符串 abcdef前面的2个字符a和b移动到字符串的尾部，使得原字符串变成字符串cdefab。

2016-01-02

给定一个 01 串，求它一个最长的子串满足 0 和 1 的个数相等

2016-01-02

给定一个m×n矩阵，如果一个元素是0，则将其所在行和列全部元素变成0。

2016-01-02

Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it.

2016-01-02

给定一个文档(Unix-style)的完全路径，请进行路径简化。

2016-01-02

Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order.

2016-01-02

Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.