Convert a String into a square matrix grid of characters
Given a string of length L. The task is to convert the string into a grid. No. of rows >= floor(√L) No. of columns <=… Read More »
Category Archives: Strings
Remove consecutive alphabets which are in same case
Given a string str, the task is to remove consecutive characters from the string that are in same case (Uppercase or Lowercase) and print the… Read More »
Cost to make a string Panagram
Given an array arr[] containing the cost of adding each alphabet from (a – z) and a string str which may or may noyt be… Read More »
Recursive program to insert a star between pair of identical characters
Given a string with repeated characters, we have to insert a star i.e.” * “ between pair of adjacent identical characters using recursion. Examples: Input… Read More »
Maximum number of removals of given subsequence from a string
Given a string str, the task is to count the maximum number of possible operations that can be performed on str. An operation consists of… Read More »
Split a string in equal parts such that all parts are palindromes
Given a string str, the task is to split the string into minimum parts such that each part is of same length and each part… Read More »
Sub-strings that start and end with one character and have at least one other
Given a string str which contains only the characters x and y, the task is to count all the sub-strings that start and end with… Read More »
Minimum K such that every substring of length atleast K contains a character c
Given a string S containing lowercase latin letters. A character c is called K-amazing if every substring of S with length atleast K contains this… Read More »
Form N-copy string with add, remove and append operations
A string is called a N-copy string when it is formed by N copies of letter ‘G’. ie “GGGG” is a 4-copy string since it… Read More »
Count columns to be deleted to make each row sorted
Given an array arr[] of strings of same length, the task is to count the number of columns to be deleted so that all the… Read More »
Substring Reverse Pattern
Given a string str, the task is to print the pattern given in the examples below: Examples: Input: str = “geeks” Output: geeks *kee* **e**… Read More »
Check if the string satisfies the given condition
Given a string str, the task is to check whether the count of vowels in the given string is prime or not. If its prime… Read More »
Sub-strings of a string that are prefix of the same string
Given a string str, the task is to count all possible sub-strings of the given string that are prefix of the same string. Examples: Input:… Read More »
Check if number can be displayed using seven segment led
Given a string str representing an integer and an integer led which is the count of LEDs available. The task is to check if it… Read More »
Longest Ordered Subsequence of Vowels
Given a string consisting of only vowels, find the longest subsequence in the given string such that it consists of all five vowels and is… Read More »
