A+B: When the Stars of Humanity Shined

Dedicated to all the pioneers of "over-engineering" on the A+B Problem.

Prologue: One Problem, Ten Thousand Ways to Flex

In the corners of countless OJs (Online Judges), there lies a problem named A+B Problem. It has only a single line of requirement: Input two numbers, output their sum.

Yet, warriors picked up their algorithmic weapons and launched an assault on a seemingly impenetrable "simple" fortress.