## Count pairs with set bits sum equal to K

Given an array arr[] and an integer K, the task is to count the pairs whose sum of set bits is K Examples: Input: arr[]… Read More »

- Find the node whose sum with X has minimum set bits
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- Total character pairs from two strings, with equal number of set bits in their ascii value
- Count number of step required to reduce N to 1 by following certain rule
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- Count pairs of elements such that number of set bits in their OR is B[i]

Given an array arr[] and an integer K, the task is to count the pairs whose sum of set bits is K Examples: Input: arr[]… Read More »

Given two arrays A[] and B[] of N elements each. The task is to find the number of index pairs (i, j) such that i… Read More »

Given a tree, and the weights of all the nodes and an integer x, the task is to find a node i such that weight[i]… Read More »

Given an array arr[] of positive integers, the task is to sort the array in decreasing order of count of set bits in binary representations… Read More »

Given two strings s1 and s2. The task is to take one character from first string and one character from second string and check if… Read More »

Given a positive integer . Find the number of steps required to minimize it to 1. In a single step N either got reduced to… Read More »

Given an integer . The task is to find the number of bits changed after adding 1 to the given number. Examples: Input : N… Read More »

Given an array of integers and a number K. The task is to find the XOR of only those elements of the array whose total… Read More »

Given an array arr with unique elements, the task is to count the total number of pairs of elements that have equal set bits count.… Read More »

Given an array with n elements. The task is to find the maximum number of contiguous array elements which have the same number of set… Read More »

Given two integers(less than 2^31) A and B. The task is to find the number of bits that are different in their binary representation. Examples:… Read More »

Given a sum and a number . The task is to count all possible ordered pairs (a, b) of positive numbers such that the two… Read More »

Given an integer . Find the number of solutions of which satisfies the equation: a = b + (a^b) Examples: Input: a = 4 Output:… Read More »

Given a Binary Tree. The task is to print the number of set bits in each of the nodes in the Binary Tree. Recommended: Please… Read More »