Category: Strings

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Reverse a String using Recursion

Objective: Given a String, write a recursive program to reverse it. Example: Original String: tutorial horizon Reversed String: noziroh lairotut Approach: Take the first character out of the string, add it to the end...

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Print maximum occurring character in a String

Objective– Given a string, write an algorithm to find the character in string which occurs maximum number of times. If more than one character has maximum and same count then print all of them...

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Remove Duplicates from a string

Objective:  Given a string, write an algorithm to remove the duplicate characters in that string. Example: Input: tutorialhorizon Output: tuorialhzn Approaches: There are multiple approaches to solve this problem- Use Sorting – (Will change the...

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All N Length Strings from Given String of Length K

Objective: Print All N Length Strings from Given String of Length K where characters can appear multiple time. Example: String k = “ALGO” N=2 Result: AA LA GA OA AL LL GL OL AG...

9

The Word Break Problem

Objective : Given an string and a dictionary of words, find out if the input string can be broken into a space-separated sequence of one or more dictionary words. Example: dictionary = [“I” ,...

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Find All the Well Ordered Permutations of a Given String.

Objective: Write an algorithm to Print All the Well Ordered Permutations of a Given String. What is Well Ordered String: When all the alphabets in a string occur in the increasing order irrespective of...

4

Print All Possible Valid Combinations Of Parenthesis of Given ‘N’

Objec­tive: – Given “n”, generate all valid parenthesis strings of length “2n”. Example: Given n=2 Output: (()) ()() Approach:

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