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C program to find the length of a string

Last updated: 12 September 2023

Given a string str. The task is to find the length of the string.Examples:Input: str = "Geeks"Output: Length of Str is : 5Input: str = "GeeksforGeeks"Output: Length of Str...read more

Generating all possible Subsequences using Recursion including the empty one.

Last updated: 25 May 2022

Given an array. The task is to generate and print all of the possible subsequences of the given array using recursion.Examples:Input : [1, 2, 3]Output : [3], [2], [2, 3], ...read more

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Find the largest Number that can be formed with the given Digits

Last updated: 12 October 2022

Given an array of integers arr[] represents digits of a number. The task is to write a program to generate the largest number possible using these digits.Note: The digits ...read more

Check if the characters in a string form a Palindrome in O(1) extra space

Last updated: 23 November 2022

Given string str. The string may contain lower-case letters, special characters, digits, or even white spaces. The task is to check whether only the letters present in the ...read more

Python | Check if a given string is binary string or not

Last updated: 03 May 2023

Given string str. The task is to check whether it is a binary string or not.Examples:Input: str = "01010101010"Output: YesInput: str = "geeks101"Output: NoApproach 1: Usin ...read more

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Replace every character of string by character whose ASCII value is K times more than it

Last updated: 20 September 2023

Given string str consisting of lowercase letters only and an integer k, the task is to replace every character of the given string with a character whose ASCII value is k ...read more

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Check if any permutation of a large number is divisible by 8

Last updated: 05 September 2022

Given a large number N and the task is to check if any permutation of a large number is divisible by 8.Examples:Input: N = 31462708Output: YesMany of permutation of number ...read more

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Maximum occurring lexicographically smallest character in a String

Last updated: 28 November 2022

Given a string containing lowercase characters. The task is to print the maximum occurring character in the input string. If 2 or more characters appear the same number of ...read more

Reduce string to shortest length by deleting a pair of same adjacent characters

Last updated: 13 March 2023

Given a string str of lowercase characters. The task is to count the number of deletions required to reduce the string to its shortest length. In each delete operation, yo ...read more

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Check if the given string of words can be formed from words present in the dictionary

Last updated: 13 July 2023

Given a string array of M words and a dictionary of N words. The task is to check if the given string of words can be formed from words present in the dictionary.Examples: ...read more

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Minimal moves to form a string by adding characters or appending string itself

Last updated: 23 November 2022

Given a string S, we need to write a program to check if it is possible to construct the given string S by performing any of the below operations any number of times. In e ...read more

PHP | Reverse a String

Last updated: 31 December 2017

PHP serves us with many built-in methods which can be used to manipulate strings. In this article, we will learn about how to reverse a string using various methods availa ...read more

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