Number of palindromic permutations | Set 1

Given a string str, find count of all palindromic permutations of it. Examples : Input : str = “gfgf” Output : 2 There are two… Read More »

Print the arranged positions of characters to make palindrome

You are given a string s(only lowercase alphabets) with length n. Print the position of every character of the String it must acquire so that… Read More »

Number of strings of length N with no palindromic sub string

Given two positive integers N, M. The task is to find the number of strings of length N under the alphabet set of size M… Read More »

Count special palindromes in a String

Given a String s, count all special palindromic substrings of size greater than 1. A Substring is called special palindromic substring if all the characters… Read More »

Closest Palindrome Number (absolute difference Is min)

Given a number N. our task is to find the closest Palindrome number whose absolute difference with given number is minimum and absolute difference must… Read More »

Minimum removal to make palindrome permutation

Given a string S, we have to find minimum characters that we can remove to make any permutation of the string S a palindrome. In… Read More »

Remove all the palindromic words from the given sentence

Given a sentence str. The problem is to remove all the palindromic words from the given sentence. Examples: Input : str = “Text contains malayalam… Read More »

Rearrange characters to form palindrome if possible

Given a string, convert the string to palindrome without any modifications like adding a character, removing a character, replacing a character etc. Examples: Input :… Read More »

Convert the string into palindrome string by changing only one character.

Given a string str. Check if it is possible to convert the string into palindrome string by changing only one character. Examples: Input : str… Read More »

Count maximum-length palindromes in a String

Given a string, count how many maximum-length palindromes are present.(It need not be a substring) Examples: Input : str = “ababa” Output: 2 Explanation :… Read More »

Make a lexicographically smallest palindrome with minimal changes

Given a string S. Print the lexicographically smallest string possible. You can make minimal changes to the characters in the string and you can permute… Read More »

Longest palindrome subsequence with O(n) space

Given a sequence, find the length of the longest palindromic subsequence in it. Examples: Input : abbaab Output : 4 Input : geeksforgeeks Output :… Read More »

Bash program to check if the Number is a Palindrome

Given a number num, find whether the given number is palindrome or not using Bash Scripting. Examples: Input : 666 Output : Number is palindrome… Read More »

Palindromic Selfie Numbers

Given a number x, find it’s palindromic selfie number according to selfie multiplicative rule. If such a number doesn’t exist, then print “No such number… Read More »

Check if actual binary representation of a number is palindrome

Given a non-negative integer n. The problem is to check if binary representation of n is palindrome or not. Note that the actual binary representation… Read More »