Ni LeetCode Interview Questions
Practice 29 real coding problems frequently asked in Ni technical interviews. Master these questions to ace your next Ni software engineering interview.
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Ni Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Valid Sudoku 100% | MediumM | Solve→ |
Missing Ranges 95% | EasyE | Solve→ |
First Missing Positive 85% | HardH | Solve→ |
Simplify Path 82% | MediumM | Solve→ |
Maximum Beauty of an Array After Applying Operation 82% | MediumM | Solve→ |
Largest Rectangle in Histogram 80% | HardH | Solve→ |
Valid Palindrome III 79% | HardH | Solve→ |
Remove Duplicates from Sorted Array 79% | EasyE | Solve→ |
LFU Cache 74% | HardH | Solve→ |
Sum Root to Leaf Numbers 73% | MediumM | Solve→ |
The Earliest Moment When Everyone Become Friends 71% | MediumM | Solve→ |
Task Scheduler 69% | MediumM | Solve→ |
Longest Common Prefix 66% | EasyE | Solve→ |
K-diff Pairs in an Array 65% | MediumM | Solve→ |
Minimum Remove to Make Valid Parentheses 61% | MediumM | Solve→ |
Kth Largest Element in an Array 59% | MediumM | Solve→ |
Word Ladder 58% | HardH | Solve→ |
Lowest Common Ancestor of a Binary Tree 58% | MediumM | Solve→ |
Word Search 57% | MediumM | Solve→ |
Course Schedule 57% | MediumM | Solve→ |
Minimum Path Sum 54% | MediumM | Solve→ |
All O`one Data Structure 52% | HardH | Solve→ |
Interval List Intersections 46% | MediumM | Solve→ |
Closest Binary Search Tree Value 45% | EasyE | Solve→ |
Reorganize String 42% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Ni ask in interviews?
Ni commonly asks 29 coding problems in technical interviews, including Valid Sudoku, Missing Ranges, First Missing Positive. The difficulty breakdown is 5 Easy, 18 Medium, and 6 Hard problems.
How should I prepare for a Ni coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Ni interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Ni coding interviews?
Based on our data, Ni interviews include 5 Easy (17%), 18 Medium (62%), and 6 Hard (21%) problems.
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