Write a C++ program to enter any number and check whether the number is palindrome or not using while loop.
/*. To check whether the number is palindrome or not using while loop.*/
//Now select File->New in Notepad and type the C++ program
#include <iostream>
using namespace std;
int main()
{
int n, num, digit, rev = 0;
cout<< "Enter a positive number: ";
cin>>num;
n = num;
while(num)
{ digit = num % 10;
rev = (rev * 10) + digit;
num = num / 10; }
cout<< " The reverse of the number is: " << rev <<endl;
if (n == rev)
cout<< " The number is a palindrome";
else
cout<< " The number is not a palindrome";
return 0;
}
// Save this file as pali_cpp.cpp
#Now select File→New in Notepad and type the Python program
# Save the File as pali.py . Program that compiles and executes a .cpp file
# Python c:\pyprg\pali.py -i c:\pyprg\pali_cpp
import sys, os, getopt
def main(argv):
cpp_file = ''
exe_file = ''
opts, args = getopt.getopt(argv, "i:",['ifile='])
for o, a in opts:
if o in ("-i", "--ifi
le"):
cpp_file = a + '.cpp'
exe_file = a + '.exe'
run(cpp_file, exe_file)
def run(cpp_file, exe_file):
print("Compiling " + cpp_file)
os.system('g++ ' + cpp_file + ' -o ' + exe_file)
print("Running " + exe_file)
print("-----------------------")
print
os.system(exe_file)
print
if __name__ =='__main__': #program starts executing from here
main(sys.argv[1:])
