ServiceNow LeetCode interview questions

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Problem	Difficulty	Frequency	Acceptance
LRU Cache Hash Table Linked List Design +1 MEDIUM	Medium	100.0%	0.5%
Longest Substring Without Repeating Characters Hash Table String Sliding Window MEDIUM	Medium	91.5%	0.4%
Lexicographically Smallest String After Operations With Constraint String Greedy MEDIUM	Medium	91.5%	0.6%
Number of Distinct Roll Sequences Dynamic Programming Memoization HARD	Hard	91.5%	0.6%
Find Minimum Diameter After Merging Two Trees Tree Depth-First Search Breadth-First Search +1 HARD	Hard	91.5%	0.6%
Maximum Score with Co-Prime Element Array Hash Table Math +3 HARD	Hard	91.5%	0.3%
Trapping Rain Water Array Two Pointers Dynamic Programming +2 HARD	Hard	88.0%	0.7%
Number of Islands Array Depth-First Search Breadth-First Search +2 MEDIUM	Medium	83.9%	0.7%
Container With Most Water Array Two Pointers Greedy MEDIUM	Medium	79.0%	0.6%
Generate Parentheses String Dynamic Programming Backtracking +1 MEDIUM	Medium	79.0%	0.8%
First Missing Positive Array Hash Table HARD	Hard	79.0%	0.4%
String Compression Two Pointers String MEDIUM	Medium	79.0%	0.6%
Valid Parentheses String Stack Bracket Sequences EASY	Easy	73.1%	0.5%
Sliding Window Maximum Array Queue Sliding Window +3 HARD	Hard	73.1%	0.5%
Longest Repeating Character Replacement Hash Table String Sliding Window MEDIUM	Medium	73.1%	0.6%
Best Time to Buy and Sell Stock II Array Dynamic Programming Greedy MEDIUM	Medium	73.1%	0.7%
Maximum Subarray Array Divide and Conquer Dynamic Programming MEDIUM	Medium	65.5%	0.5%
Number of Visible People in a Queue Array Stack Monotonic Stack HARD	Hard	65.5%	0.7%
Coin Change Array Dynamic Programming Breadth-First Search +2 MEDIUM	Medium	65.5%	0.5%
Check if a Parentheses String Can Be Valid String Stack Greedy +1 MEDIUM	Medium	65.5%	0.5%

Showing 1–20 of 65 matching problems · All Problems

ServiceNow LeetCode Interview Questions | Grind Practice