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Category Archives: Strings

Given two strings P and Q, the task is to generate a string S satisfying the following conditions:  Find S such that P is rearranged… Read More
Given a string S consisting of only lowercase English letters. The task is to find the minimum number of times of finger moves to type… Read More
Given a string str, consisting of lowercase English alphabets, the task is to calculate the sum of indices(1-based indexing) of the characters removed to obtain… Read More
Given an array string[] consisting of N numeric strings of length M, the task is to find the number of distinct strings that can be… Read More
Prerequisite: Trie | (Insert and Search) Given an array of strings words[] and a partial string str, the task is to find the strings of… Read More
Given a string S of Size N. Initially, the value of count is 0. The task is to find the value of count after N… Read More
Given an array arr[] of N strings and a string order which represents the new alphabetical order of the string. The task is to find… Read More
Given a numeric string str, the task is to calculate the number of substrings with the sum of digits equal to their length. Examples: Input:… Read More
Given string str, a character ch, and an integer K, the task is to find the minimum number of operations required to convert all the… Read More
Given a string S of length N which only contains lowercase alphabets. Find the length of the longest substring of S such that the characters… Read More
Given a numeric string str, the task is to find the minimum number of digits to be removed from the string such that it satisfies… Read More
Given a string S and an integer K, the task is to find the number of substrings which consists of at least K pairwise distinct… Read More
Given a binary string S, the task is to find the minimum number of swaps required to be performed to maximize the value represented by… Read More
Given string str, the task is to print the middle character of a string. If the length of the string is even, then there would… Read More
Given a string S of length N and integer K, find the smallest length string which contains the string S as a sub string exactly… Read More