Fibonacci series

Question:

Write a program to find Fibonacci series up to n

Solution:

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Fibonacci Series Algorithm

ALGORITHM F (n)

//Computes the nth Fibonacci number recursively by using its 

definition

//Input: A nonnegative integern

//Output: The nth Fibonacci number

if n ≤ 1 return n

else return F(n - 1) + F(n - 2)

 Other Method :

ALGORITHM Fib(n)

//Computes the nth Fibonacci number iteratively by using its definition
//Input: A nonnegative integer n

//Output: The nth Fibonacci number
F [0] ← 0;
 F [1] ← 1
for i ← 2 to n do
F [i] ← F [i - 1] + F [i - 2]
return F [n]

C program:

#include <stdio.h>

int main()

{

    int i, n, t1 = 0, t2 = 1, nextTerm;

    printf("Enter the number of terms: ");

    scanf("%d", &n);

    printf("Fibonacci Series: ");

    for (i = 1; i <= n; ++i)

    {

        printf("%d, ", t1);

        nextTerm = t1 + t2;

        t1 = t2;

        t2 = nextTerm;

    }

    return 0;

}

Output:

Enter the number of terms: 10

Fibonacci Series: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34

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