The Graduate Record Examination (GRE) is a renowned test that is conducted for the candidates seeking admission into postgraduate programs including MS, MBA, Ph.D., etc.… Read More
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Must Do Coding Questions for Product Based Companies
As the placement season is back, GeeksforGeeks is here to help you crack the interview. We have selected some most commonly asked and MUST DO… Read More
The Recursion Tree Method is a way of solving recurrence relations. In this method, a recurrence relation is converted into recursive trees. Each node represents… Read More
While working on any Java application we come across the concept of optimization. It is necessary that the code which we are writing is not… Read More
Given an N-array Tree consisting of N nodes and an integer K, the task is to find the Kth largest element in the given N-ary… Read More
Queries to calculate average of an array after removing K smallest and largest elements with updates
Given two positive integers N and K, initialize an empty array arr[] and Q number of queries of the following two types: addInteger(x): Insert element… Read More
Given an array arr[] consisting of N positive integers, the task is to find the sum of Bitwise AND of all possible triplets (arr[i], arr[j],… Read More
Given an array arr[] consisting of N integers, the task is to find the number of pairs, where i ≤ j, such that the sum… Read More
Given a string S consisting of N lowercase characters, the task is to modify the given string such that no subsequence of length two repeats… Read More
Given a string S consisting of N characters, the task is to check if the given string S is IPv4 or IPv6 or Invalid. If… Read More
Given an array arr[] consisting of N pairs and a positive integer M, the task is to maximize the average of the ratio of the… Read More
Given a positive integer N, the task is to count the number of different bases in which, when N is represented, the most significant bit… Read More
Given a numeric string S consisting of N digits and a positive integer K, the task is to check if the given string can be… Read More
Given a positive integer N, the task is to print all the numbers, say K, such that K is a divisor of N and K… Read More
Given an array A[] of size N, and two numbers K and D, the task is to calculate the maximum subset-sum divisible by D possible… Read More
Given an array A[] of N positive numbers, the task is to find the maximum sum that can be formed which has no three consecutive… Read More
