Write a function that takes an unsigned integer and returns the number of bits it has also known as theHamming weight . For example, the bit integer has binary representation , so the function should ...
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Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary ...
Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values. Example ...
Given a chemical formula (given as a string), return the count of each atom. An atomic element a ...
You are standing at position 0 on an infinite number line. There is a goal at position target. On each move, you can either go left or right. ...
Reverse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as 00000010100101000001111010011100 ...
Reverse bits of a given 32 bits unsigned integer. Example 1: Example 2: Note: Note that in some ...
Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) c ...
the number of permutations of A that are squareful. ...
