GeeksforGeeks | A computer science portal for geeks

GBlog Three 90 Challenge: Bigger and Better

As we transit into the new phase, it's essential to fuel our inner drive for success. On popular demand, GeeksforGeeks is happy to announce that we are back with the Thre...Read More

Sum of Bitwise AND of the sum of all leaf and non-leaf nodes for each level of a Binary Tree

Given a Binary Tree consisting of N nodes, the task is to find the sum of Bitwise AND of the sum of all leaf nodes… Read More

Bitwise-AND

tree-level-order

tree-traversal

Bit Magic

DSA

Mathematical

Queue

Tree

Generate a sequence such that float division of array elements is maximized

Given an array arr[] consisting of N integers, the task is to find the expression by using parenthesis ‘(‘ and ‘)’ and division operator ‘/’… Read More

Numbers

DSA

Greedy

Mathematical

Strings

How to Crop Image From Camera and Gallery in Android?

Hard

In the previous article, we discussed how to select an Image from Gallery in Android, but in this project, there is no crop functionality. Sometimes… Read More

android

Picked

Technical Scripter 2020

Android

Java

Technical Scripter

How to Create Language Translator in Android using Firebase ML Kit?

Medium

In the previous article, we have seen using Language detector in Android using Firebase ML kit. In this article, we will take a look at… Read More

android

Technical Scripter 2020

Android

Java

Machine Learning

Technical Scripter

How to Create Custom Camera using CameraX in Android?

CameraX is used to create a custom camera in the app. CameraX is a Jetpack support library, built to help you make camera app development… Read More

Android

Kotlin

Class 11 NCERT Solutions- Chapter 15 Statistics – Exercise 15.3

Question 1. From the data given below state which group is more variable, A or B?Marks10 – 2020 – 3030 – 4040 – 5050 –… Read More

NCERT Solutions Class-11

Picked

Class 11

Mathematics

NCERT

School Learning

Minimize replacements to make every element in an array exceed every element in another given array

Given two arrays A[] and B[] of size N and M respectively, where each element is in the range [0, 9], the task is to… Read More

array-rearrange

prefix-sum

Arrays

DSA

Mathematical

Misc

Check if all array elements can be made divisible by K by replacing array elements with sum of pairs

Medium

Given an array arr[] of size N and a positive integer K, the task is to make every element of the array divisible by K… Read More

array-rearrange

divisibility

Arrays

DSA

Mathematical

Minimize cost to reach bottom-right corner of a Matrix using given operations

Hard

Given a matrix grid[][] of size N x N, the task is to find the minimum cost required to reach the bottom right corner of… Read More

DSA

Mathematical

Matrix

Pattern Searching

Maximum length palindromic substring for every index such that it starts and ends at that index

Hard

Given a string S, the task for every index of the string is to find the length of the longest palindromic substring that either starts… Read More

palindrome

substring

DSA

Searching

Strings

GATE | GATE CS 2021 | Set 1 | Question 10

Some people suggest anti-obesity measures (AOM) such as displaying calorie information in restaurant menus. Such measures sidestep addressing the core problems that cause obesity: poverty… Read More

GATE

GATE | GATE CS 2021 | Set 1 | Question 9

Given below are two statements 1 and 2, and two conclusions I and II Statement 1: All bacteria are microorganisms. Statement 2: All pathogens are… Read More

GATE

GATE | GATE CS 2021 | Set 1 | Question 8

There are five bags each containing identical sets of ten distinct chocolates. One chocolate is picked from each bag. The probability that at least two… Read More

GATE

GATE | GATE CS 2021 | Set 1 | Question 7

Details of prices of two items P and Q are presented in the above table. The ratio of cost of item P to cost of… Read More

GATE

Class 11 RD Sharma Solutions – Chapter 32 Statistics – Exercise 32.4

Question 1. Find the mean, variance and standard deviation for the following data:(i) 2, 4, 5, 6, 8, 17(ii) 6, 7, 10, 12, 13, 4,… Read More

Picked

RD Sharma Class-11

Class 11

Mathematics

RD Sharma Solutions

School Learning