We generally study most of the algorithmic techniques in academics like Searching, Sorting, Dynamic Programming, Greedy Algorithms, Divide and Conquer, Backtracking, etc. But below techniques… Read More
Tag Archives: two-pointer-algorithm
Given the integers a, b, N, the task is to find the largest number x such that is an N-digit number of base b. Examples: Input:… Read More
Given an array arr[] of N elements, the task is to find the length of the smallest subarray such that when this subarray is removed… Read More
Set 1: Sliding Window Maximum (Maximum of all subarrays of size k).Given an array arr of size N and an integer K, the task is… Read More
Given an array arr of integers of size N and a target number, the task is to find all unique quadruplets in it, whose sum… Read More
Given a sorted array arr of size N, the task is to reduce the array such that each element can appear at most two times.… Read More
Given an integer K and a binary string S of length N, the task is to find out the number of substrings whose decimal equivalent… Read More
There are two singly linked lists in a system. By some programming error, the end node of one of the linked lists got linked to… Read More
Given an array arr[] with N distinct numbers and another array arr1[] with N-1 operators (either < or >), the task is to organize the… Read More
Given a string str, the task is to replace all occurrences of the given X with given Y and also remove any occurrences of the… Read More
Given an array arr[] consisting of N elements, the task is to remove minimum number of elements from the ends of the array such that… Read More
Given a binary string S of length N and an integer K, the task is to find the smallest non-zero sub-string of S that can… Read More
Given two strings X and Y containing lower-case alphabets, the task is to check whether any permutation of string X exists in Y as its… Read More
Courses
