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Problem Statistics
Breakdown of 72 problems.

Difficulty Distribution

(9)
(53)
(10)

Recency Distribution

(72)

Most Common Tags (Top 7)

Array (42)
String (22)
Dynamic Programming (17)
Hash Table (15)
Two Pointers (12)
Sorting (9)
Breadth-First Search (9)
Coding Interview Problems for ServiceNow
72
3Sum
3-6 months ago
Medium

Topics

Array
Two Pointers
Sorting
Trending
Recent
Mock
Asteroid Collision
3-6 months ago
Medium

Topics

Array
Stack
Simulation
Trending
Recent
Mock
Basic Calculator II
3-6 months ago
Medium

Topics

Math
String
Stack
Trending
Recent
Mock
Best Time to Buy and Sell Stock
3-6 months ago
Easy

Topics

Array
Dynamic Programming
Trending
Recent
Mock
Binary Tree Right Side View
3-6 months ago
Medium

Topics

Tree
Depth-First Search
Breadth-First Search
Binary Tree
Trending
Recent
Mock
Binary Tree Zigzag Level Order Traversal
3-6 months ago
Medium

Topics

Tree
Breadth-First Search
Binary Tree
Trending
Recent
Mock
Coin Change
3-6 months ago
Medium

Topics

Array
Dynamic Programming
Breadth-First Search
Trending
Recent
Mock
Container With Most Water
3-6 months ago
Medium

Topics

Array
Two Pointers
Greedy
Trending
Recent
Mock
Daily Temperatures
3-6 months ago
Medium

Topics

Array
Stack
Monotonic Stack
Trending
Recent
Mock
Design HashMap
3-6 months ago
Easy

Topics

Array
Hash Table
Linked List
Design
+1 more
Trending
Recent
Mock
Find First and Last Position of Element in Sorted Array
3-6 months ago
Medium

Topics

Array
Binary Search
Trending
Recent
Mock
Find Minimum Diameter After Merging Two Trees
3-6 months ago
Hard

Topics

Tree
Depth-First Search
Breadth-First Search
Graph
Trending
Recent
Mock
Find Minimum in Rotated Sorted Array
3-6 months ago
Medium

Topics

Array
Binary Search
Trending
Recent
Mock
First Missing Positive
3-6 months ago
Hard

Topics

Array
Hash Table
Trending
Recent
Mock
First Unique Character in a String
3-6 months ago
Easy

Topics

Hash Table
String
Queue
Counting
Trending
Recent
Mock