Printing fibonacci series using For Loop in C++

This program generates the Fibonacci series up to the nth term. The program starts by initializing four variables: n, a, b, and c. n is the number of terms to generate, a is initialized to -1, and b is initialized to 1. c is used to store the sum of a and b.

The program then prompts the user to enter the value of n. In the for loop, the program generates n terms of the Fibonacci series. In each iteration, it calculates the sum of the previous two terms (a and b) and stores it in c. It then prints the value of c on a new line.

Finally, the program updates the values of a and b for the next iteration. a is set to b, and b is set to c.

Source Code

#include<iostream>
using namespace std;
int main()
{
    int n,a=-1,b=1,c,i;
    cout<<"\nEnter the number :";
    cin>>n;
    for(i=0;i<n;i++)
    {
        c=a+b;//1+1
        cout<<"\n"<<c;//1
        a=b;//1 0 1 1
        b=c;//0 1 1 2
    }
    return 0;
}

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Output

Enter the number :10
0
1
1
2
3
5
8
13
21
34

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