Concepts2
⚙️AlgorithmIntermediate
Common Edge Cases Checklist
Most wrong answers in competitive programming come from unhandled boundary conditions rather than core logic mistakes.
#edge cases checklist#competitive programming wa#boundary conditions+9
∑MathIntermediate
Fast Exponentiation
Fast exponentiation (binary exponentiation) computes a^n using repeated squaring in O(log n) multiplications.
#binary exponentiation#fast power#modular exponentiation+11