## Algorithm

1. Input:

Take the number of terms (`n`) as input from the user.
2. Initialize Variables:

Initialize three variables, `first` and `second` to 0 and 1 respectively (the first two terms of the Fibonacci series), and `next` to 0.
3. Display First Two Terms:

• Display the first two terms of the series (`first` and `second`).
4. Generate Fibonacci Series:

• Run a loop from 3 to `n` to generate the series.
• Inside the loop, calculate the next term (`next`) by adding the previous two terms (`first` and `second`).
• Update `first` and `second` with the current terms.
• Display the current term.
5. Display Result:

• After the loop, the program would have displayed the Fibonacci series up to the specified number of terms.

## Code Examples

### #1 Code Example- C++ Program Fibonacci Series up to n number of terms

```Code - C++ Programming```

``````#include <iostream>
using namespace std;

int main() {
int n, t1 = 0, t2 = 1, nextTerm = 0;

cout << "Enter the number of terms: ";
cin >> n;

cout << "Fibonacci Series: ";

for (int i = 1; i <= n; ++i) {
// Prints the first two terms.
if(i == 1) {
cout << t1 << ", ";
continue;
}
if(i == 2) {
cout << t2 << ", ";
continue;
}
nextTerm = t1 + t2;
t1 = t2;
t2 = nextTerm;

cout << nextTerm << ", ";
}
return 0;
}``````
Copy The Code &

Output

cmd
Enter the number of terms: 10
Fibonacci Series: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34

### #2 Code Example- C++ Programing Program to Generate Fibonacci Sequence Up to a Certain Number

```Code - C++ Programming```

``````#include <iostream>
using namespace std;

int main() {
int t1 = 0, t2 = 1, nextTerm = 0, n;

cout << "Enter a positive number: ";
cin >> n;

// displays the first two terms which is always 0 and 1
cout << "Fibonacci Series: " << t1 << ", " << t2 << ", ";

nextTerm = t1 + t2;

while(nextTerm <= n) {
cout << nextTerm << ", ";
t1 = t2;
t2 = nextTerm;
nextTerm = t1 + t2;
}
return 0;
}``````
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Output

cmd
Enter a positive integer: 100
Fibonacci Series: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89,