A program to find Successor of a number- C++ program

A program that will find the successor of a number i.e. it will add 1 to the number.

A program to check if a number is palindrome or not

A program that will check whether a number is palindrome or not i.e. it will check that the value of the number from its reverse side is the same as the front side that is 121=121 but 122 != 221. [ ! = not ].

A program to find the area of a circle

A program that will calculate the area of a circle.