Write a program to find whether the string is palindrome or not.

Write a program to find whether the string is palindrome or not.
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1 Answer

Answer :

#include<iostream.h>

#include<conio.h>

#include<string.h>

void main()

{

char str1[10],str2[10];

int c;

clrscr();

cout<<"\n Enter string:";

cin>>str1;

strcpy(str2,str1);

strrev(str2);

cout<<"\n Rverse string :"<<str2;

c=strcmp(str1,str2);

if(c==0)

cout<<"\n String is palindrome";

else

cout<<"\n String is not palindrome";

getch();

}

OR

#include<iostream.h>

#include<conio.h>

void main()

 {

char src[10], des[10], *sptr, *dptr;

int len=0;

clrscr();

cout<<"\n Enter a string";

cin>>src;

sptr=&src[0];

while(*sptr!='\0')

 {

len++;

sptr++;

 }

cout<<"\n Length of string is "<<len;

sptr--;

dptr=&des[0];

while(len>0)

 {

*dptr=*sptr;

sptr--;

dptr++;

len--;

 }

 *dptr='\0';

cout<<"\n The Reverse string is "<<des;

sptr=&src[0];

dptr=&des[0];

int flag=0;

while(*dptr != '\0' || *sptr !='\0')

 {

if(*dptr == *sptr )

 {

flag =0;

 }

else

 {

flag =1;

break;

 }

dptr++;

sptr++;

 }

if(flag ==0)

 {

cout<<"\nThe String is Palidrome ";

 }

else

 {

cout<<"\nString is not palindrome";

 }

getch();

 }
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