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動態(tài)規(guī)劃（dynamic programming)（上）
本文根據(jù)Hawstein的BLOG，加入了自己的一些代碼實(shí)現(xiàn)和理解。概括：動態(tài)規(guī)劃算法通?；谝粋€(gè)遞推公式及一個(gè)或多個(gè)初始狀態(tài)。 當(dāng)前子問題的解...
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Palindrome Number
Determine whether an integer is a palindrome. Do this without extra spac...
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String to Integer (atoi)
Implement atoi to convert a string to an integer.實(shí)現(xiàn)atoi，把一個(gè)字符串轉(zhuǎn)換為整數(shù)。Hint...
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Reverse Integer
Reverse digits of an integer.反轉(zhuǎn)整數(shù)數(shù)字。Example1: x = 123, return 321Example...
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ZigZag Conversion
The string "PAYPALISHIRING" is written in a zigzag pattern on a given nu...
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Longest Palindromic SubstringGiven a string S, find the longest palindromic substring in S. You may a...
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Median of Two Sorted Arrays
There are two sorted arrays nums1 and nums2 of size m and n respectively...
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Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeati...
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Add Two Num
You are given two linked lists representing two non-negative numbers. Th...