In this post, we will try to give a solution to an important problem of Capgemini ADAPT 2022. The solution to the Problem is – CH Reverse a Number Problem Solution using Java.

However, the solutions are provided for learning purposes only. Candidates must submit their own code during attending the Sprints.

### CH Reverse a Number Problem Description – Capgemini ADAPT:

Write a function intreverse(n) that takes as input a positive integer n and returns the integer obtained by reversing the digits in n.

#### Input:

A positive integer N

#### Output:

An integer in which digits of N are reversed.

#### Constraint:

The input must be a positive integer. Otherwise, display the error message as “Invalid Input”.

### CH Reverse a Number Problem Solution:

def intreverse(n):

last = 0

rev = 0

while(n>0) :

last = n%10

n = n//10

rev = (rev*10) + last

return rev

x = int(input())

if x>0 :

r = intreverse(x)

print(r)

else:

print(“Invalid Input”)

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