原文:[LeetCode] Reach a Number 达到一个数字

You are standing at position on an infinite number line. There is a goal at positiontarget. On each move, you can either go left or right. During then th move starting from , you takensteps. Return t ...

2018-02-20 23:44 4 4468 推荐指数:

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[LeetCode] Number of 1 Bits 位1的个数

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 ...

Tue Mar 10 19:11:00 CST 2015 4 7274
[LeetCode] Perfect Number 完美数字

We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n ...

Wed Mar 29 05:07:00 CST 2017 4 5975
[LeetCode] Valid Number 验证数字

Validate if a given string can be interpreted as a decimal number. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => ...

Sun Nov 09 16:22:00 CST 2014 3 16782
 
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