By Fatih KABAKCI

The problem is to convert an integer value which is defined between 1 and 3999, to roman value.

Proble[..]

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Interview Question Roman to Integer

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By Fatih KABAKCI

The problem is to convert a roman numeral to an integer value.

Problem #13 - Roman to Integer

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Interview Question Longest Common Prefix

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By Fatih KABAKCI

The problem is to find a longest common prefix string in a string array. For example, when the input is {

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Interview Question 3Sum

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By Fatih KABAKCI

The problem is to figure out all unique triplets in a given array which sum of any 3 elements in that array is [..]

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Interview Question 3Sum Closest

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By Fatih KABAKCI

The problem is to find out the sum of three integers in an array which sum of them is closest to the target tha[..]

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Interview Question Letter Combinations of a Phone Number

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By Fatih KABAKCI

The problem is to have all letter combinations of a given digit in regard to phone keypad. The solution in Java[..]

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Interview Question 4Sum

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By Fatih KABAKCI

The problem is to find out all unique quadruplets in the array which the sum of any 4 elements is a specified t[..]

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Interview Question Remove Nth Node From End of List

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By Fatih KABAKCI

The problem is to be able to delete nth node from end of the list in a given linked list by one passing at a ti[..]

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Interview Question Valid Parentheses

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By Fatih KABAKCI

The problem is to find out if the input are composed by valid parentheses. The opening and closing brackets mus[..]

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Interview Question Merge Two Sorted Lists

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By Fatih KABAKCI

The problem is to merge two sorted list into a new list.

Problem #21 - Merge Two Sorted Lists

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Interview Question Merge k Sorted Lists

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By Fatih KABAKCI

The problem is to merge k-sorted lists and return it as a new one. We can take an inspiration the problem

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Interview Question Swap Nodes in Pairs

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By Fatih KABAKCI

The problem is to swap each consecutive two nodes and return the same linked list.

Problem #24 - Swap [..]

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Interview Question Remove Duplicates From Sorted Array

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By Fatih KABAKCI

The problem is to eliminate an array from it's duplicated elements.

Problem #26 - Remove Duplicat[..]

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Interview Question Remove Element

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By Fatih KABAKCI

The problem is to remove all instances of a value, which is given by outside, from the array.

Problem [..]

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Interview Question Implement strStr()

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By Fatih KABAKCI

The problem is to implement a substring method that takes two parameters. If the first one includes the second [..]

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Interview Question Hamming Distance

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By Fatih KABAKCI

The problem is to figure out how many corresponding bits are different of given x and y. This is known as humm[..]

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Interview Question Number Complement

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By Fatih KABAKCI

The problem is to find out complement of a number.

Problem #476 - Number Complement

Desc[..]

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Interview Question Fizz Buzz

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By Fatih KABAKCI

The problem is to return a list that has corresponding string values between 1 and number that has been provide[..]

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Interview Question Reverse String

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By Fatih KABAKCI

The problem is to return reverse of a given string.

Problem #344 - Reverse String

Descri[..]

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Interview Question Max Consecutive Ones

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By Fatih KABAKCI

The problem is to find out maximum number of consecutive ones in a given array.

Problem #485 - Max Con[..]

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Interview Question Island Perimeter

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By Fatih KABAKCI

The problem is to calculate perimeter of an island which is being represented as two dimensional array that its[..]

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Interview Question Keyboard Row

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By Fatih KABAKCI

The problem is to find out which words can be typed by the characters which are in same row in an American keyb[..]

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Interview Question Next Greater Element I

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By Fatih KABAKCI

The problem is to figure out if there is something greater in the second array than right of the element in the[..]

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Interview Question Detect Capital

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By Fatih KABAKCI

The problem is to detect the correct using of capitals in regard to the rules which have been exposed in the fo[..]

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Interview Question Array Partition I

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By Fatih KABAKCI

Problem #561 - Array Partition I

Description: Given an array of 2n integers, your t[..]

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Interview Question Reshape the Matrix

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By Fatih KABAKCI

The problem is to create a function that reshapes the matrix to a new form that satisfies the matrix size, in a[..]

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Interview Question Judge Route Circle

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By Fatih KABAKCI

The problem is to determine if movements of a robot end up in starting point that is 0,0 in the beginning.

[..]

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Interview Question Search Insert Position

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By Fatih KABAKCI

The problem is to figure out what the index of the target value would be in a sorted array. If the target value[..]

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Interview Question Length of Last Word

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By Fatih KABAKCI

The problem is to figure out the length of the last word in a String object.

Problem #58: Length of L[..]

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Sub Set of Given Size of an Array

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Written by: Fatih Kabakci

The problem is to figure out sub sets of an set in a given size. A recursive approach will fit to this[..]

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