Answers for "how to find palindrome in cpp"

C++
2

next palindrome number in cpp

#include <iostream>


bool isPalindrome (int number) {
    int decomposed = number, reversed = 0;
    while (decomposed) {
        reversed = 10 * reversed + (decomposed % 10);
        decomposed /= 10;
    }
    return reversed == number;
}


int nextPalindromicNumber (int number) {
    while (!isPalindrome(++number));
    return number;
}


int main () {
    int testCases;
    std::cin >> testCases;
    while (testCases--) {
        int number;
        std::cin >> number;
        std::cout << nextPalindromicNumber(number) << 'n';
    }
}
Posted by: Guest on February-19-2021
0

c++ palindrome checker

#include <iostream>
using namespace std;

bool isPalindrome(int x) {
    int rem,reverse=0;
    while(x!=0){    
        rem=x%10;      
        reverse=reverse*10+rem;    
        x/=10;
        if (x == reverse) return true;
        else return false;
    }
    return true;
}

int main() {
    int n;
    cin >>n;
    
    if(isPalindrome(n)) {
        cout <<n<<" is a palindrome";
    }
    else {
        cout << n<<" is NOT a palindrome";
    }
    return 0;
}
Posted by: Guest on October-05-2021

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