文章 2015-03-30 来自:开发者社区

LeetCode 191 Number of 1 Bits

题目描述: Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has binary representation&...

文章 2015-03-16 来自:开发者社区

[LeetCode] Number of 1 Bits

Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11’ has binary representation 000000000.....

文章 2015-03-13 来自:开发者社区

【LeetCode从零单排】No 191.Number of 1 Bits(考察位运算)

题目 Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has binary representation&nbs...

文章 2015-02-07 来自:开发者社区

【LeetCode从零单排】No.9 Palindrome Number

题目       这道题是迄今为止最快通过的一道题,改了两次就过了,runtime一般(中等偏下,这点不太满意)。Palindrome就是判断一个整数是否对称。 Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some ...

文章 2015-02-06 来自:开发者社区

[LeetCode] Excel Sheet Column Number

Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ......

文章 2015-02-06 来自:开发者社区

[LeetCode] Largest Number

Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. Note: The result may b...

文章 2015-01-30 来自:开发者社区

[LeetCode]171.Excel Sheet Column Number

【题目】 Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ...

文章 2015-01-22 来自:开发者社区

[LeetCode]17.Letter Combinations of a Phone Number

【题目】 Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below. Input:Digit...

文章 2015-01-20 来自:开发者社区

[LeetCode]9.Palindrome Number

【题目】 Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be palindromes? (ie, -1) If you are thinking of convert...

文章 2015-01-18 来自:开发者社区

[LeetCode]179.Largest Number

【题目】 Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. Note: The result ...

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