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

# Category Archives: Pattern Searching

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 two integers N and K where K < N, the task is to generate a permutation of integers from 1 to N such that… 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