number palindrome

import java.util.Scanner; public class Palindrome { public static void main(String args[]) { int num,temp,reverse=0; Scanner input=new Scanner(System.in); num=in.nextInt(); temp=num; //code to reverse the number while(temp!=0) { int d=temp%10; //extracts digit at the end reverse=reverse*10+d; temp/=10; //removes the digit at the end } // 'reverse' has the reverse version of the actual input, so we check if(reverse==num) { System.out.println("Number is palindrome"); } else { System.out.println("Number is not palindrome"); } } }

bool isPlaindrome(string s) { int i=0; int j=s.length()-1; while(i<j) { if(s[i]==s[j]) {i++; j--;} else break; } if (i==j || i>j) return 1; else return 0; }

//made by Kashish Vaid the great. // Palindrome programme using for loop the easiest prgm #include <stdio.h> int main() { int n, rev = 0, remainder, num; printf("Enter an integer: "); scanf("%d", &n); num = n; // reversed integer is stored in rev for(num = n ; n!=0 ; n/=10) { remainder = n%10; rev = rev*10 + remainder; } // if else shortcuts ( (rev == num) ? printf("%d is a palindrome.", num) : printf("%d is not a palindrome.", num) ); return 0; } //made by Kashish Vaid the great.

palindrome

#include<iostream>
#include<string>
#include<algorithm>
bool IsPalindrome_true_false(const std::string& );

int main ()
{
    
    std::cout<<"Please enter a string:\t";
    std::string str;
    getline(std::cin, str);
    
    // convert the string from uppercase to lowercase 
    int i = 0;
    while(str[i])
    {
        if(str[i] == std::toupper(str[i]) && std::isalpha(str[i]) == 1024)
        str[i]+= 32;
        ++i;
    }
    // looping while string is empty 
    while(str.empty())
    {
        std::cout<<"\nPlease enter a string your string is empty:\t";
        if(!str.empty())
        std::string str;
        getline(std::cin, str);
    }
    
    std::cout<<"\n"<<std::boolalpha<<IsPalindrome_true_false(str)<<std::endl;
    std::cout<<std::endl;

    return 0;
}

// check if string is a palindrome and return true or false 
bool IsPalindrome_true_false(const std::string& str)
{

    int i = 0;                
    int j = str.length() - 1; 

    while(i <= j )
    {   
        
        if(std::isalpha(str[i]) == 0){
            ++i;
            continue;
        }else if(std::isalpha(str[j]) == 0){
            --j;
            continue;
        }   
        if(str[i] != str[j]){
        
           return false;
        }
        ++i;
        --j;
    }  
    return true;
}

Posted by: Guest on January-02-2021

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