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DSA Corner

Dashboard Questions Topics Companies Sheets

ServiceNow Interview Questions

20 coding problems asked in ServiceNow interviews. Prepare for your technical interview with real questions.

20

Problems

5

Easy

11

Medium

4

Hard

Difficulty

All20 Easy5 Medium11 Hard4

Status	Title	Video	Leetcode	Solve	Difficulty	Companies	Topics
	4. Median of Two Sorted Arrays			Solve	Hard	Accolite+38	Array Binary Search+1
	5. Longest Palindromic Substring			Solve	Medium	Accenture+50	Dynamic Programming String+1
	20. Valid Parentheses			Solve	Easy	Adobe+25	Stack String
	33. Search in Rotated Sorted Array			Solve	Medium	Accenture+91	Array Binary Search
	42. Trapping Rain Water			Solve	Hard	Adobe+21	Array Dynamic Programming+3
	49. Group Anagrams			Solve	Medium	Adobe+23	Array Hash Table+2
	53. Maximum Subarray			Solve	Medium	Adobe+22	Array Divide and Conquer+1
	102. Binary Tree Level Order Traversal			Solve	Medium	Amazon+8	Binary Tree Breadth-First Search+1
	118. Pascal's Triangle			Solve	Easy	Adobe+17	Array Dynamic Programming
	121. Best Time to Buy and Sell Stock			Solve	Easy	Adobe+30	Array Dynamic Programming
	129. Sum Root to Leaf Numbers			Solve	Medium	Amazon+4	Binary Tree Depth-First Search+1
	200. Number of Islands			Solve	Medium	Adobe+40	Array Breadth-First Search+3
	234. Palindrome Linked List			Solve	Easy	Adobe+10	Linked List Recursion+2
	295. Find Median from Data Stream			Solve	Hard	Adobe+33	Data Stream Design+3
	560. Subarray Sum Equals K			Solve	Medium	Adobe+15	Array Hash Table+1
	836. Rectangle Overlap			Solve	Easy	Docusign+2	Geometry Math
	1010. Pairs of Songs With Total Durations Divisible by 60			Solve	Medium	Amazon+7	Array Counting+1
	1698. Number of Distinct Substrings in a String			Solve	Medium	Bloomberg+3	Hash Function Rolling Hash+3
	2063. Vowels of All Substrings			Solve	Medium	ServiceNow	Combinatorics Dynamic Programming+2
	2318. Number of Distinct Roll Sequences			Solve	Hard	ServiceNow	Dynamic Programming Memoization

Median of Two Sorted Arrays

Hard✓ Solution📹 Video

Accolite+38

Array Binary Search Divide and Conquer

Longest Palindromic Substring

Medium✓ Solution📹 Video

Accenture+50

Dynamic Programming String Two Pointers

Valid Parentheses

Easy✓ Solution📹 Video

Adobe+25

Search in Rotated Sorted Array

Medium✓ Solution📹 Video

Accenture+91

Array Binary Search

Trapping Rain Water

Hard✓ Solution📹 Video

Adobe+21

Array Dynamic Programming Monotonic Stack+2

Group Anagrams

Medium✓ Solution📹 Video

Adobe+23

Array Hash Table Sorting+1

Maximum Subarray

Medium✓ Solution📹 Video

Adobe+22

Array Divide and Conquer Dynamic Programming

Binary Tree Level Order Traversal

Medium✓ Solution📹 Video

Amazon+8

Binary Tree Breadth-First Search Tree

Pascal's Triangle

Easy✓ Solution📹 Video

Adobe+17

Array Dynamic Programming

Best Time to Buy and Sell Stock

Easy✓ Solution📹 Video

Adobe+30

Array Dynamic Programming

Sum Root to Leaf Numbers

Medium✓ Solution📹 Video

Amazon+4

Binary Tree Depth-First Search Tree

Number of Islands

Medium✓ Solution📹 Video

Adobe+40

Array Breadth-First Search Depth-First Search+2

Palindrome Linked List

Easy✓ Solution📹 Video

Adobe+10

Linked List Recursion Stack+1

Find Median from Data Stream

Hard✓ Solution📹 Video

Adobe+33

Data Stream Design Heap (Priority Queue)+2

Subarray Sum Equals K

Medium✓ Solution📹 Video

Adobe+15

Array Hash Table Prefix Sum

Rectangle Overlap

Easy✓ Solution📹 Video

Docusign+2

Pairs of Songs With Total Durations Divisible by 60

Medium✓ Solution📹 Video

Amazon+7

Array Counting Hash Table

Number of Distinct Substrings in a String

Medium📹 Video

Bloomberg+3

Hash Function Rolling Hash String+2

Vowels of All Substrings

Medium📹 Video

ServiceNow

Combinatorics Dynamic Programming Math+1

Number of Distinct Roll Sequences

Hard📹 Video

ServiceNow

Dynamic Programming Memoization