lexicographic-ordering

167+ posts

Make the String lexicographically larger

Last Updated: 16 September 2023

Given a string str of length n. The task is to find a lexicographic largest string where you are allowed to shift one character from str to any other index only one time.E...read more

Strings

DSA

lexicographic-ordering

Create lexicographically minimum String using given operation

Last Updated: 23 July 2025

Given a string s of length N consisting of digits from 0 to 9. Find the lexicographically minimum sequence that can be obtained from given string s by performing the given...read more

Strings

Greedy

Technical Scripter

Technical Scripter 2022

DSA

lexicographic-ordering

Generate all the numbers up to N in Lexicographical Order using Stack

Last Updated: 23 July 2025

Given an integer N, the task is to print all numbers up to N in Lexicographical order.Examples:Input: N = 20Output: 1 10 11 12 13 14 15 16 17 18 19 2 3 4 5 6 7 8 9Input: N...read more

Stack

Technical Scripter

Picked

Technical Scripter 2022

DSA

lexicographic-ordering

Find lexicographically first ID of each domain from given Array of email IDs

Last Updated: 23 July 2025

You are given an array of Email IDs, the task is to return the lexicographically first email ID of every single domain.Examples:Input: Emails[] = {"ajay@gmail.com", "rahul...read more

lexicographic-ordering

Lexicographically Smallest by Removing K

Last Updated: 16 May 2026

Given a string s consisting of only lowercase characters, the task is to find the lexicographically smallest string after removing exactly k characters from the string. Bu...read more

Technical Scripter 2022

DSA

lexicographic-ordering

Minimum swaps to make one Array lexicographically smaller than other

Last Updated: 06 December 2022

Consider two arrays arr1[] and arr2[] each of size N such that arr1[] contains all odd numbers between 1 to 2*N and arr2[] contains all even numbers between 1 to 2*N in sh...read more

Greedy

DSA

Arrays

lexicographic-ordering

Find smallest Substring to be rearranged to make String lexicographically sorted

Last Updated: 05 October 2022

Given a string S, the task is to find out the length of the smallest substring of S that needs to be rearranged so that all the characters of the string S are in lexicogra...read more

Strings

Greedy

DSA

lexicographic-ordering

substring

Lexicographically smallest Subsequence of Array by deleting all occurrences of one element

Last Updated: 28 November 2022

Given an array A[] of N integers, the task is to find the lexicographically smallest subsequence of the array by deleting all the occurrences of exactly one integer from t...read more

Greedy

DSA

Arrays

lexicographic-ordering

Build lexicographically smallest String from two given Strings

Last Updated: 23 July 2025

Given two strings X and Y of lowercase letters, of length N and M respectively, the task is to build another string Z by performing two types of operations:Choose any char...read more

Strings

Greedy

DSA

lexicographic-ordering

Kth non-overlapping Substring of length M after sorting given String lexicographically

Last Updated: 23 July 2025

Given string str of size N and two integers M and K (N is divisible by M), the task is to find the Kth non-overlapping substring of size M after sorting the given string l...read more

DSA

prefix-sum

lexicographic-ordering

substring

Lexicographically smallest Binary String formed using infinite swaps

Last Updated: 23 July 2025

Given a binary string s of length N, the task is to find the lexicographically smallest string using infinite number of swaps between 0's and 1's.Examples:Input: s = "1001...read more

lexicographic-ordering

Swap-Program

Count of Subsequences of given string X in between strings Y and Z

Last Updated: 23 July 2025

Given three strings, 'X', 'Y' and 'Z', the task is to count the number of subsequences of 'X' which is lexicographically greater than or equal to 'Y' and lexicographically...read more

Geeks-Premier-League-2022

DSA

subsequence

lexicographic-ordering

Find Mth lexicographically smallest Binary String with no two adjacent 1

Last Updated: 23 July 2025

Given two integers N and M, the task is to find the Mth lexicographically smallest binary string (have only characters 1 and 0) of length N where there cannot be two conse...read more

lexicographic-ordering

Lexicographically smallest Permutation of Array by reversing at most one Subarray

Last Updated: 23 July 2025

Given an array arr[] of size N which is a permutation from 1 to N, the task is to find the lexicographically smallest permutation that can be formed by reversing at most o...read more

Geeks Premier League

Geeks-Premier-League-2022

lexicographic-ordering

Lexicographically smallest string formed by reversing Substrings of string S exactly K times

Last Updated: 06 April 2023

Given a string S and an integer K, the task is to find the lexicographically smallest string possible after reversing any substring of any length exactly K times.Examples:...read more

Strings

Geeks Premier League

Geeks-Premier-League-2022

DSA

Reverse

lexicographic-ordering

substring

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