C++ Program to Check String is Palindrome or not

Program

#include<iostream>
 
using namespace std;
 
int main()
{
	int i,j,len,flag=1;
	char a[20];
	
	cout<<"Enter a string:";
	cin>>a;
	
	for(len=0;a[len]!='\0';++len);
	
	for(i=0,j=len-1;i<len/2;++i,--j)
	{
		if(a[j]!=a[i])
			flag=0;
	}
	
	if(flag==1)
		cout<<"\nThe string is Palindrome";
	else
		cout<<"\nThe string is not Palindrome";
 
	return 0;
}

Output

Enter a string:saas

The string is Palindrome