Recursion in C++

Recursion in C++ — a practical guide to C++ recursion with clear examples you can reuse in real projects.

C++ Tutorial Series (39/111). Prefer one article? Read the complete C++ tutorial.

Short description

Watch stack depth; prefer iterative/STL algorithms when simpler.

Recursion

long factorial(int n) {
    if (n <= 1) return 1;
    return n * factorial(n - 1);
}