Monday, 24 August 2015
C++ Program to check whether a number is palindrome or not (through pointers)
#include <iostream>
using namespace std;
class palinDrome
{
private:
char *myInput;
char *inverted;
int size;
public:
palinDrome()
{
myInput = NULL;
inverted = NULL;
size = 0;
}
void input();
void check();
};
//------------------------------------------Function to take Input----------------------------------------------//
void palinDrome :: input()
{
cout << endl;
cout << " Size of word: ";
cin >> size;
myInput = new char[size];
inverted = new char[size];
cout << endl;
cout << endl;
cout << " Input: ";
for (int i=0; i < size; i++)
{
cin >> myInput[i];
}
}
//----------------------------------------Function to check Is it Palindrome or Not ---------------------------------------//
void palinDrome:: check()
{
int j=0;
for (int i=size-1; i >= 0; i--)
{
inverted[j] = myInput[i];
j++;
}
cout << " Inverted: " ; // Stroring one array into another array in Reverse order
for (int i=0; i < size; i++)
{
cout << inverted[i] ;
}
cout << endl;
cout << endl;
for (int i=0; i < size; ) // Condition to check Palindrome
{
if (myInput[i] == inverted[i])
{
if (i == size -1 ) // If Palindrome
{
system("cls");
cout << endl;
cout << " It is a Palindrome" << endl;
cout << endl;
cout << " Orignal Input : ";
for (int i=0; i < size; i++)
{
cout << myInput[i] ;
}
cout << endl;
cout << " Inverted Input: " ;
for (int i=0; i < size; i++)
{
cout << inverted[i] ;
}
cout << endl;
cout << " _________________________________________________________________________" << endl;
cout << " Hence Proved"<< endl;
cout << " _________________________________________________________________________" << endl;
cout << endl;
system("pause");
break;
}
i++;
}
else // If not a palindrome
{
system("cls");
cout << endl;
cout << " It is NOT a Palindrome" << endl;
cout << endl;
cout << " Orignal Input : ";
for (int i=0; i < size; i++)
{
cout << myInput[i] << endl;
}
cout << " Inverted Input: " ;
for (int i=0; i < size; i++)
{
cout << inverted[i] << endl;
}
cout << endl;
cout << " _________________________________________________________________________" << endl;
cout << " Hence Proved"<< endl;
cout << " _________________________________________________________________________" << endl;
cout << endl;
system("pause");
break;
}
}
}
int main ()
{
int choose;
palinDrome p;
A:
system("cls");
cout << endl;
cout << endl;
cout << " <1> Input" << endl;
cout << endl;
cout << " <2> Check" << endl;
cout << endl;
cout << " Choose: ";
cin >> choose;
if (choose == 1)
{
system("cls");
p.input();
goto A;
}
if (choose == 2)
{
system("cls");
p.check();
goto A;
}
}
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2 comments:
thankyou so much . Its really awesome and helpful. I appreciate you
Thankyou. Keep visiting our blog for more interesting posts.
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