Recursion Programs
C++ Recursion: Factorial, Fibonacci, Tower of Hanoi, and More
5 program solutions
Program Solutions
Factorial using Recursion
Calculate Factorial using Recursion in C++
Fibonacci using Recursion
Fibonacci Series using Recursion in C++
Tower of Hanoi
Tower of Hanoi Problem using Recursion in C++
GCD using Recursion
Greatest Common Divisor (GCD) using Recursion in C++
Power using Recursion
Calculate Power using Recursion in C++
Topic Strategy: Recursion Programs
This topic is best practiced through repetition with variation. Solve each program, then modify constraints and test alternate approaches so you understand why one solution performs better than another.
During interviews, explain the approach before coding: input assumptions, core logic, complexity, and edge cases. Clear reasoning often matters as much as final code correctness.
Once comfortable, time-box each question and target clean, readable code with meaningful variable names and a quick dry run explanation.