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Category Archives: Pattern Searching

Given two strings str1 and str2 containing lowercase letters. The task is to convert the given string str3 into lexicographically smallest and largest string that… Read More
Given 2 strings A and B . The task is to check if A can be converted into B by performing the following operation any… Read More
Given an array A[] of size N, find the permutation of array A such that the array B[] which is formed by taking the GCD… Read More
Given an array arr[] of length N consisting of uppercase English letters only and a letter ch. the task is to find the final array… Read More
Given a string S and a list lis[] of N number of words, the task is to find every possible (N+1)th word from string S… Read More
Given an integer N (N > 2), the task is to generate a binary string of size N that consists of equal numbers of “10”… Read More
Given an array arr[] of size N. The task is to check if the array has 3 elements in indices i, j and k such… Read More
Given a positive integer N, the task is to construct a permutation from 1 to N such that the absolute difference of elements is in… Read More
Given a string S representing a Morse Code, the task is to check is the code is valid or not. A Morse code is valid… Read More
Given an array arr[] containing N email addresses with different domains, the task is to find the unique domains and their frequencies from the list… Read More
Given two arrays, arr1[] of length N1 and arr2[] of length N2, consisting of numbers from 1 to 9 and arr1[] has some missing entries… Read More
Given an integer N and the task is to generate a permutation of the numbers in range [1, N] such that:  The GCD of all… Read More
Given an array arr[] of N integers and an integer K, the task is to do the below operations with this array K times. Operations… Read More
Given two strings, text and pattern, of size N and M (N > M)respectively, the task is to print all occurrences of pattern in text. … Read More
Given an integer N, the task is to construct and print an Array, such that: The size of array is N The elements in array… Read More

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