摘要：
Rotate an array ofnelements to the right byksteps.For example, withn= 7 andk= 3, the array[1,2,3,4,5,6,7]is rotated to[5,6,7,1,2,3,4].Note:Try to come... 阅读全文
摘要：
Reverse bits of a given 32 bits unsigned integer.For example, given input 43261596 (represented in binary as00000010100101000001111010011100), return ... 阅读全文
摘要：
Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as theHamming weight).For example, the 32-bit in... 阅读全文