lrsage

题目描述： 338. Counting Bits Medium Given a non negative integer numbernum. For every numbersiin the range0 ≤ i ≤ numcalculate the number of 1's in their binary representation and return them as ...

题目描述： 136.Single Number Easy Given anon-emptyarray of integers, every element appearstwiceexcept for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. C...

题目描述： 406.Queue Reconstruction by Height Medium Suppose you have a random list of people standing in a queue. Each person is described by a pair of integers(h, k), wherehis the height of the pe...