Finding the Closest Divisors
Given an integer num, find the closest two integers in absolute difference whose product equals num + 1 or num + 2. Return the two integers in any order. …
Greedy Solution to Reconstruct a 2-Row Binary Matrix
Given the following details of a matrix with n columns and 2 rows : The matrix is a binary matrix, which means each element in the matrix can be …
How to Use jOOQ Library to Write SQL in Java using Fluent Style?
The jOOQ (https://www.jooq.org/) is a rich Java Library that allows us to write SQL using fluent style. It generates type-safe SQL and avoids SQL injections rather than building your …
Algorithm to Compute the Number of Days Between Two Dates
Write a program to count the number of days between two dates. The two dates are given as strings, their format is YYYY-MM-DD as shown in the examples. Example …
How to Sort Integers by The Number of 1 Bits?
Given an integer array arr. You have to sort the integers in the array in ascending order by the number of 1’s in their binary representation and in case …
Using Depth First Search Algorithm to Delete Tree Nodes with Sum Zero in the Sub Tree
A tree rooted at node 0 is given as follows: The number of nodes is nodes; The value of the i-th node is value; The parent of the i-th …