Given two strings string1 and string2, the task is to find the smallest substring in string1 containing all characters of string2. Examples : Input: string = “Cplusplus is the best”, pattern = ...read more
sliding-window
2 postsGiven an Array consisting of N integers, Count the number of contiguous subarrays where each element in the subarray appears 2 or more times. Examples : Input : n = 3 arr ...read more