Given two integers, multiply them without using multiplication operator or conditional loops.
Given an integer, find its square without using multiplication and division operator. Also, use of power function from any programming language library is not allowed.
Given two positive integers, implement power function without using multiplication and division operators.
Given two numbers, add them without using addition operator.
Clock Angle Problem: Given time in hh:mm format, calculate the shorter angle between hour and minute hand in an analog clock.
Given two numbers, calculate maximum number without using conditional statement or ternary operator.
Given two integers, find minimum number between them without using any conditional statement (or ternary operator).
Write a C/C++ program without using main function. We are allowed to change the entry point of the program from main() to any other function or remove the main() function altogether.