More Problems

• Write a function to set the first k bits of a number to 1.
• Implement a function to count the number of pairs of numbers that can be formed from an array that have different parity.
• Create a function to find the total number of binary numbers with an even number of 1s.
• Write a program to check if a number has its bits in a descending order.
• Implement a function that computes the number of binary strings of length n that contain no consecutive 1s.
• Create a function to convert a number from decimal to binary and back.
• Write a function that counts how many unique combinations of bits can be formed from a given binary string.
• Implement a function that checks if a number is a valid representation of a binary search tree using bit manipulation.