Given a string S. Find the longest Substring that starts with character C1, ends with character C3 and has at least one character C2 in… Read More
Category Archives: Pattern Searching
Given two circular linked lists L1 and L2, the task is to find if the two circular linked lists are identical or not. Note: Head… Read More
Given strings s1 and s2 consisting of ‘A’, ‘B’ and ‘#’, where: ‘#’ represents an empty cell ‘A’ represents robots that can move in the… Read More
Given two values M and N, fill a matrix of size ‘M*N’ in a spiral (or circular) fashion (clockwise) with given array elements. Examples: … Read More
Given two integers N and K, the task is to construct an array of length N containing exactly K elements divisible by their positions. Examples:… Read More
Given a string S of length N. The string consists only of letters ‘F’ and ‘B’. The task is to generate a sequence performing some… Read More
Given a sentence S and a string B having distinct characters, find a string by joining the words of S according to given conditions:- Choose… Read More
Over the network, messages are sent as data packets. Each data packet is a series of bytes (8bits = 1 byte). The task is to… Read More
Given an array of string arr[] and a string str, the task is to print all the strings in arr[] that occur as a substring… Read More
Given integers N and K, the task is to find the maximum possible number an N length sequence of distinct positive integers can have if… Read More
Given a matrix mat[][] having N rows and M columns, the task is to find the minimum distance between two adjacent rows where the distance… Read More
Given two strings A and B, the task is to find the smallest substring of A having B as a subsequence. If there are multiple… Read More
Given a range [L, R), the task is to count the numbers that remain unchanged when rotated 180 degrees clockwise. Examples: Input: L = 0,… Read More
Given a positive integer N, the task is to find the sum upto Nth term of the series: 33 – 23, 53 – 43, 73… Read More
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