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2016-01-02

Spiral Matrix

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

2016-01-02

String Comparison

比较两个字符串A和B，确定A中是否包含B中所有的字符。字符串A和B中的字符都是大写字母

2016-01-02

String Composition

Given a newspaper and message as two strings, check if the message can be composed using letters in the newspa

2016-01-02

String Compression

Implement a method to perform basic string compression using the counts of repeated characters.

2016-01-02

Implement strStr()

Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.

2016-01-02

Submatrix Sum Zero

给定一个整数矩阵，请找出一个子矩阵，使得其数字之和等于0.输出答案时，请返回左上数字和右下数字的坐标。

2016-01-02

上帝怎么说话？——大话知识图谱

从知识的组织、本体和语义关系，谈知识图谱以及个人信息管理的可能性。

#数据科学

2016-01-01

!!Substring with Concatenation of All Words

You are given a string, s, and a list of words, words, that are all of the same length.

2016-01-01

Text Justification

Given an array of words and a length L, format the text such that each line has exactly L characters and is fu

2016-01-01

Unique Character

Determine if all characters of a string are unique.

Spiral Matrix

String Comparison

String Composition

String Compression

Implement strStr()

Submatrix Sum Zero

上帝怎么说话？——大话知识图谱

!!Substring with Concatenation of All Words

Text Justification

Unique Character

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