Medium csharp

Fibonacci series (first 10 terms)

Problem

Print the first 10 Fibonacci numbers starting with 0 and 1.

Hints

Keep two variables and update them each iteration.

Your practice code

Ready — edit the code above and click Run.

Solution

using System;

class Program
{
    static void Main()
    {
        int a = 0, b = 1;
        Console.Write(a + " ");
        for (int i = 2; i < 10; i++)
        {
            int c = a + b;
            Console.Write(c + " ");
            a = b;
            b = c;
        }
    }
}

Try solving on your own first, then reveal the official answer.

Explanation

Each term is sum of previous two. Interviewers often ask iterative vs recursive versions.

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