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Category Archives: Pattern Searching

Given two strings str1 and str2 where str1 being the parent string. The task is to find out the number of string as str2 that… Read More
Given a string str consisting of only characters ‘a’ and ‘b’, the task is to check whether the string is valid or not. In a… Read More
Given a pattern pat and a string array sArr[], the task is to count the number of strings from the array that ends with the… Read More
Given a string str of lowercase alphabets, the task is to find the length of the longest sub-string of characters in alphabetical order i.e. string… Read More
Given two strings a and b, the task is to check how many times the string a can be repeated to generate the string b.… Read More
Given two integers n and m where n is the number of 0s and m is the number of 1s. The task is to print… Read More
You are given an array of strings str[], the task is to find the score of a given string s from the array. The score… Read More
Given two strings a and b, and an integer k which is the index in b at which the character can be changed to any… Read More
Given a 2D grid of characters and a word, the task is to check if that word exists in the grid or not. A word… Read More
Given a string pat and an integer N, the task is to find the number of occurrences of the pattern pat in binary representation of… Read More
Given an array of integers. The task is to find the minimum number of consecutive sequences that can be formed using the elements of the… Read More
Given two integer N and D where 1 ≤ N ≤ 1018, the task is to find the sum of all the integers from 1… Read More
Given a string str and an integer array width[] where: width[0] = width of character ‘a’ width[1] = width of character ‘b’ … width[25] =… Read More
Given an array arr[] having 4 integer digits only. The task is to return the maximum 24 hour time that can be formed using the… Read More