CLI Quadratic equation solver:

https://www.online-cpp.com/dxDMFNsBPr

Half right angle pyramid:

https://www.online-cpp.com/dPLiJuZwyx

Sum of n digit number:

https://www.online-cpp.com/d6SDMRWVtp

Prime numbers till the input number:

https://www.online-cpp.com/KRcAF2QETg

To tell if the input is prime or not:

https://www.online-cpp.com/vX8hqmAwKG

Factorial of any number till 20(storage issue.):

https://www.online-cpp.com/Ao9GdglpIS

Reverse of any 3 digit number:

https://www.online-cpp.com/0KoVzaYylI

Fibonaci series:

https://www.online-cpp.com/uRn7xSiYO6

Armstrong number from 1 to n:

https://www.online-cpp.com/gUMrBGwXYH

Bubble Sort:

Selection Sort:

https://www.online-cpp.com/5ReMzrtYji