Question

Write 2 functions: int reverse (int) which returns reverse of a number and int diff(int, int) which returns difference of two numbers. Using this Write a program to find whether a number given as input is palindrome or not

Answer 1

#include <iostream>

using namespace std;

int reverse(int);

int diff(int, int);

int main()

{

int num;

cout << "Enter a number to check palindrome: ";

cin >> num;

int rev = reverse(num);

int difference = diff(num, rev);

if(difference == 0)

cout << num << " is a Palindrom number!\n";

else

cout << num << " is not a Palindrom number!\n";

return 0;

}

int reverse(int num)

{

int r = 0;

int m = num;

while(m > 0)

{

int rem = (m % 10);

m /= 10;

r = (r * 10) + rem;

}

return r;

}

int diff(int a, int b)

{

int difference = (a - b);

if(difference < 0)

difference *= -1;

return difference;

}

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