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add-two-numbers-in-linked-list-form

Simple linked list program involving adding two numbers

anagram

Given a string, split it into two contiguous substrings of equal length. Determine the minimum number of characters to change to make the two substrings into anagrams of one another

atm_machine

atm_simulator

ATM simulator using java swing

balancedsums

challenge is to find an element of the array such that the sum of all elements to the left is equal to the sum of all elements to the right.

bfs-levelorder-of-binary-tree

Given the root of a binary tree, return the level order traversal of its nodes' values. (i.e., from left to right, level by level).

binary-search-imperative

Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums.

binary-search-recursive

Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, then return its index. Otherwise, return -1.

bubble-sort-example

Simple program using bubble sort algorithm

caesarcipher

Caesar's cipher shifts each letter by a number of letters. If the shift takes you past the end of the alphabet, just rotate back to the front of the alphabet. In the case of a rotation by 3, w, x, y and z would map to z, a, b and c.

caesarcipher-alternative

Caesar's cipher shifts each letter by a number of letters. If the shift takes you past the end of the alphabet, just rotate back to the front of the alphabet. In the case of a rotation by 3, w, x, y and z would map to z, a, b and c.

classroomdata_streams

Testing out strreams on students and lectures classes

climbingleaderboard

Return the player's rank after each new score

convert-roman-numerals-to-numbers

Simple program to convert roman numerals to numbers considering the 6 special cases of subtraction ie 4,9,40,90,400,900

countergame

Louise and Richard have developed a numbers game. They pick a number and check to see if it is a power of 2. If it is, they divide it by . If not, they reduce it by the next lower number which is a power of .

countingsort

Given a list of integers, count and return the number of times each value appears as an array of integers.

databaseday2

diagonaldifference

Given a square matrix, calculate the absolute difference between the sums of its diagonals.

dijkstras_algorithm

dividechocolatebar

Determine how many ways to divide the chocolate.

dynamicarray

Declare a 2-dimensional array, , of empty arrays. All arrays are zero indexed

ebook_library

exchange-connectivity

fibonacci-number

The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding ones, starting from 0 and 1.

fibonaccitdd

findprimedates

findzigzagsequence

Given an array of distinct integers, transform the array into a zig zag sequence by permuting the array elements.

firstkotlin

flippingbits

You will be given a list of 32 bit unsigned integers. Flip all the bits ( and ) and return the result as an unsigned integer.

flippingmatrix

Given the initial configurations for matrices, help Sean reverse the rows and columns of each matrix in the best possible way so that the sum of the elements in the matrix's upper-left quadrant is maximal.