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In this, we are going to see while loop, the program is based on while loop which verifies, the palindrome numbers ex:- 121, 34543.
The code given below can be used for TURBO C++ Compiler:-
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int num; // number to be taken
int n2 = 0; // reverse number being generated
int rem; // remainder
int qu; // quotient
cout << "Enter number to check if its Palindrome or not :\n";
cin >> num;
int n = num;
// value of num, initiaized in n to perform operations on n
// & num will be prepared to compare later
while (n > 0)
{
rem = n % 10; // found remainder
n2 = n2 * 10 + rem; // gemerating number in reverse
qu = n / 10;
n = qu;
}
if (n2 == num)
{
cout << num << " is a Palindrome number !";
}
else
{
cout << num << " is NOT a Palindrome number !";
}
getch();
}
The code given below can be used for g++/gcc Compiler:-
#include<iostream>
using namespace std;
int main()
{
int num; // number to be taken
int n2 = 0; // reverse number being generated
int rem; // remainder
int qu; // quotient
cout << "Enter number to check if its Palindrome or not :\n";
cin >> num;
int n = num;
// value of num, initiaized in n to perform operations on n
// & num will be prepared to compare later
while (n > 0)
{
rem = n % 10; // found remainder
n2 = n2 * 10 + rem; // gemerating number in reverse
qu = n / 10;
n = qu;
}
if (n2 == num)
{
cout << num << " is a Palindrome number !";
}
else
{
cout << num << " is NOT a Palindrome number !";
}
return 0;
}
#ENJOY CODING
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