# Intuit Interview Questions

Intuit Inc. is an American business software company that specializes in financial software. The company is headquartered in Mountain View, California, and the CEO is Sasan Goodarzi. Intuit’s products include the tax preparation application TurboTax, the personal finance app Mint, the small business accounting program QuickBooks, the credit monitoring service Credit Karma, and the email marketing platform Mailchimp. As of 2019, more than 95% of its revenues and earnings come from its activities within the United States.

It has got a 4.5* rating on Glassdoor and is considered one of the best product-based companies. It is highly regarded for its work-life balance.

They provide good training as well which will be beneficial in future too. You can practice the below Intuit Interview Questions for the interview. We have collected past frequently asked Intuit Interview Questions for your reference.

## Intuit Array Questions

Question 1. Trapping Rain Water Leetcode Solution Problem Statement The Trapping Rain Water LeetCode Solution – “Trapping Rain Water” states that given an array of heights which represents an elevation map where the width of each bar is 1. We need to find the amount of water trapped after rain. Example: Input: height = [0,1,0,2,1,0,1,3,2,1,2,1] Output: 6 Explanation: Check ...

Question 2. Check if Array Contains Contiguous Integers With Duplicates Allowed You are given an array of integers which can contain duplicate elements as well. The problem statement asks to find out if it is a set of contiguous integers, print “Yes” if it is, print “No” if it is not. Example Sample Input: [2, 3, 4, 1, 7, 9] Sample ...

Question 3. Count of index pairs with equal elements in an array Suppose, we have given an integer array. The problem “Count of index pairs with equal elements in an array” asks to find out the no of pair of indices (i,j) in such a way that arr[i]=arr[j] and i is not equal to j. Example arr[] = {2,3,1,2,3,1,4} 3 Explanation Pairs ...

Question 4. Find Sum of all unique sub-array sum for a given array Suppose you have an array of integers. The problem “Find Sum of all unique sub-array sum for a given array” asks to find out the sum of all unique sub-arrays (Sub-array sum is the sum of each sub-array’s elements). By unique sub-array sum, we meant to say that no sub-array ...

Question 5. Print all triplets in sorted array that form AP The problem “Print all triplets in sorted array that form AP” states that we have given a sorted integer array. The task is to find out all the possible triplets that can form an Arithmetic Progression. Example arr[] = {1,3,5,7,8,12,15,16,20,30} (1, 3, 5), (3, 5, 7), (1, 8, 15), (8, ...

Question 6. Painting Fence Algorithm Problem Statement The “Painting Fence Algorithm” states that you are given a fence having some posts (some wooden pieces or some other pieces) and some colors. Find out the number of ways to paint the fence such that at most only 2 adjacent fences have the same color. Since this ...

Question 7. Word Search Word search is something like the word-finding puzzles at some time in our life. Today I bring to the table a modified crossword. My readers must be a bit perplexed as to what I am talking about. Without wasting any more time let us get to the problem statement Can ...

Question 8. Heap Sort Heap sort is a comparison based sorting technique that is based on a Binary Heap data structure. HeapSort is similar to a selection sort where we find the maximum element and then place that element at the end. We repeat this same process for the remaining elements. Given an unsorted ...

Question 9. Increasing Subsequence of Length three with Maximum Product Problem Statement In the “Increasing Subsequence of Length three with Maximum Product” problem, we have given an array of positive integers. Find the subsequence of length 3 with the maximum product. Subsequence should be increasing. Input Format The first and only one line containing an integer N denoting the size ...

Question 10. Find the Maximum Repeating Number in Array Problem Statement In the “Find the Maximum Repeating Number in Array” problem we have given an unsorted array of size N. Given array contains numbers in range {0, k} where k <= N. Find the number that is coming the maximum number of times in the array. Input Format The ...

Question 11. First Repeating Element Problem Statement We have given an array that contains n integers. We have to find the first repeating element in the given array. If there is no repeated element then print “No repeating integer found”. Note: Repeating elements are those elements that come more than once. (Array may contain duplicates) ...

Question 12. Find the first Repeating Number in a Given Array Problem Statement There can be multiple repeating numbers in an array but you have to find the first repeating number in a given array (occurring the second time). Example Input 12 5 4 2 8 9 7 12 5 6 12 4 7 Output 5 is the first repeating element ...

## Intuit String Questions

Question 13. Decode String Leetcode Solution Problem Statement The Decode String LeetCode Solution – “Decode String” asks you to convert the encoded string into a decoded string. The encoding rule is k[encoded_string], where the encoded_string inside the square brackets is being repeated exactly k times where k is a positive integer. Example: Input: s = "3[a]2[bc]" Output: "aaabcbc" ...

Question 14. Generate Parentheses Leetcode Solution Problem Statement The Generate Parentheses LeetCode Solution – “Generate Parentheses” states that given the value of n. We need to generate all combinations of n pairs of parentheses. Return the answer in the form of a vector of strings of well-formed parentheses. Example: Input: n = 3 Output: ["((()))","(()())","(())()","()(())","()()()"] Explanation: ...

Question 15. Longest Substring Without Repeating Characters Leetcode Solution Problem Statement The Longest Substring Without Repeating Characters LeetCode Solution –  states that given the string s. We need to find the longest substring without repeating characters. Example: Input: s = "abcabcbb" Output: 3 Explanation: The longest substring with no characters being repeated is of length 3. The string is: “abc”. Input: s = "bbbbb" ...

Question 16. Minimum insertions to form a palindrome with permutations allowed The problem “Minimum insertions to form a palindrome with permutations allowed” states that you are given a String with all letters in lowercase. The problem statement asks to find out the minimum insertion of a character to a string that it can become Palindrome. The position of characters can be ...

Question 17. Check if Array Contains Contiguous Integers With Duplicates Allowed You are given an array of integers which can contain duplicate elements as well. The problem statement asks to find out if it is a set of contiguous integers, print “Yes” if it is, print “No” if it is not. Example Sample Input: [2, 3, 4, 1, 7, 9] Sample ...

Question 18. Palindrome Substring Queries Problem Statement The problem “Palindrome Substring Queries” states that you are given a String and some queries. With those queries, you have to determine if the formed substring from that query is a palindrome or not. Example String str = "aaabbabbaaa" Queries q[] = { {2, 3}, {2, 8},{5, 7}, ...

## Intuit Tree Questions

Question 19. Lowest Common Ancestor of a Binary Tree Leetcode Solution Problem Statement The Lowest Common Ancestor of a Binary Tree LeetCode Solution – “Lowest Common Ancestor of a Binary Tree” states that given the root of the binary tree and two nodes of the tree. We need to find the lowest common ancestor of these two nodes. The Lowest Common ...

Question 20. Delete Nodes and Return Forest Leetcode Solution Problem Statement The Delete Nodes and Return Forest LeetCode Solution – “Delete Nodes and Return Forest” states that given the root of the binary tree where each node has a distinct value. We’re also given an array,  to_delete, where we need to delete all the nodes with values contained in ...

Question 21. Interval Tree In the interval tree problem, we have given a set of intervals and three types of queries addInterval(x,y): Add an interval (x,y) to the set removeInterval(x,y): Remove an interval (x,y) from the set checkInterval(x,y): Check if interval (x,y) overlaps with some existing interval Design a data structure( Interval Tree ) ...

## Intuit Stack Questions

Question 22. Decode String Leetcode Solution Problem Statement The Decode String LeetCode Solution – “Decode String” asks you to convert the encoded string into a decoded string. The encoding rule is k[encoded_string], where the encoded_string inside the square brackets is being repeated exactly k times where k is a positive integer. Example: Input: s = "3[a]2[bc]" Output: "aaabcbc" ...

Question 23. Trapping Rain Water Leetcode Solution Problem Statement The Trapping Rain Water LeetCode Solution – “Trapping Rain Water” states that given an array of heights which represents an elevation map where the width of each bar is 1. We need to find the amount of water trapped after rain. Example: Input: height = [0,1,0,2,1,0,1,3,2,1,2,1] Output: 6 Explanation: Check ...

## Intuit Matrix Questions

Question 24. Word Search Leetcode Solution Problem Statement Given an m x n board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cells, where “adjacent” cells are horizontally or vertically neighbouring. The same letter cell may not be used more than once. Example ...

## Intuit Other Questions

Question 25. Reverse Nodes in k-Group LeetCode Solution Problem Statement: Reverse Nodes in k-Group LeetCode Solution – Given the head of a linked list, reverse the nodes of the list k at a time, and return the modified list. k is a positive integer and is less than or equal to the length of the linked list. If the number of nodes is ...

Question 26. Container With Most Water LeetCode Solution Problem Statement Container With Most Water LeetCode Solution says that – You are given an integer array height of length n. There are n vertical lines are drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]). Find two lines that together with the x-axis form a container, such that the container ...

Question 27. LRU Cache Leetcode Solution Problem Statement The LRU Cache LeetCode Solution – “LRU Cache” asks you to design a data structure that follows Least Recently Used (LRU) Cache We need to implement LRUCache class that has the following functions: LRUCache(int capacity): Initializes the LRU cache with positive size capacity. int get(int key): Return the value ...

Question 28. Intersection of Two Linked Lists LeetCode Solution Problem Statement Intersection of Two Linked Lists LeetCode Solution – We are given the heads of two strongly linked-lists headA and headB. It is also given that the two linked lists may intersect at some point. We are asked to return the node at which they intersect or null if ...

Question 29. Employee Free Time LeetCode Solution Problem Statement Employee Free Time LeetCode Solution – We are given a list schedule of employees, which represents the working time for each employee. Each employee has a list of non-overlapping Intervals, and these intervals are in sorted order. Return the list of finite intervals representing the common, positive-length free time for all employees, also in ...

Question 30. Maximum Product of Three Numbers LeetCode Solution Problem Statement Maximum Product of Three Numbers LeetCode Solution – We are given an array, the question asks us to calculate the maximum product of any 3 numbers. Examples Example 1: Input: nums = [1,2,3] Output: 6 Example 2: Input: nums = [1,2,3,4] Output: 24 Example 3: Input: nums = ...

Question 31. Spiral Matrix LeetCode Solution Problem Statement Spiral Matrix Problem says In Spiral Matrix we want to print all the elements of a matrix in a spiral form in the clockwise direction.   Approach for Spiral Matrix: Idea The problem can be implemented by dividing the matrix into loops and printing all the elements in each ...

Question 32. My Calendar I LeetCode Solution Problem Statement My Calendar I LeetCode Solution –  We need to write a program that can be used as a Calendar. We can add a new event if adding the event will not cause a double booking. A double booking happens when two events have some non-empty intersection (i.e., some moment is ...

Question 33. Two Sum Leetcode Solution In this problem, we have to find a pair of two distinct indices in a sorted array that their values add up to a given target. We can assume that the array has only one pair of integers that add up to the target sum. Note that the array is ...

Question 34. Delete Nth node from the end of the given linked list Problem Statement The problem “Delete Nth node from the end of the given linked list”  states that you are given a linked list with some nodes. And now you need to remove nth node from the end of the linked list. Example 2->3->4->5->6->7 delete 3rd node from last 2->3->4->6->7 Explanation: ...

Question 35. Sudoku Solver In the sudoku solver problem we have given a partially filled (9 x 9) sudoku, write a program to complete the puzzle. Sudoku must satisfy the following properties, Every number(1-9) must appear exactly once in a row and once in a column. Every number(1-9) must appear exactly once in a ...

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