More Problems

• Implement a function that checks if the binary representation of a number can be rearranged to form a valid hexadecimal string.
• Write a program that checks if a binary number has a valid representation of a time in 24-hour format.
• Create a function that counts how many integers can be represented as the sum of two squares.
• Implement a function that checks if a binary number can be expressed as the sum of three distinct integers.
• Write a program to count how many binary strings can be formed with an even number of bits set.
• Create a function that checks if the binary representation of a number contains an even number of transitions.
• Implement a function that checks if a binary number can be transformed into another by flipping exactly one bit.
• Write a program that counts how many integers in an array can be expressed as a sum of two distinct squares.