SigmoidLeetCode Questions
VerifiedCompany-wise coding interview questions asked by Sigmoid, ranked by real frequency across 30-day, 3-month, and 6-month recency windows.
# | Problem | Difficulty | Frequency↓ | Acceptance | |
|---|---|---|---|---|---|
| #103 | Medium | 100% | 64.1% | ||
| #121 | Best Time to Buy and Sell Stock3 sources | Easy | 92% | 57.1% | |
| #283 | Move Zeroes3 sources | Easy | 92% | 64.1% | |
| #25 | Reverse Nodes in k-Group3 sources | Hard | 80% | 66.6% | |
| #881 | Boats to Save People3 sources | Medium | 80% | 62.0% | |
| #20 | Valid Parentheses3 sources | Easy | 80% | 44.5% | |
| #155 | Min Stack3 sources | Medium | 80% | 58.4% | |
| #122 | Best Time to Buy and Sell Stock II3 sources | Medium | 80% | 71.3% | |
| #49 | Group Anagrams3 sources | Medium | 80% | 72.9% | |
| #14 | Longest Common Prefix3 sources | Easy | 80% | 47.9% | |
| #322 | Coin Change3 sources | Medium | 80% | 48.7% | |
| #994 | Rotting Oranges3 sources | Medium | 80% | 59.0% | |
| #200 | Number of Islands3 sources | Medium | 80% | 64.7% | |
| #503 | Next Greater Element II2 sources | Medium | 80% | 0.7% | |
| #56 | Merge Intervals2 sources | Medium | 80% | 0.5% | |
| #238 | Medium | 75% | 69.1% |
Sigmoid Technical Interview Overview & Company-Wise Questions
Software engineering and technical interviews at Sigmoid emphasize real-world problem solving, algorithmic efficiency, and scalable data structure design. The curated dataset above contains 16 verified LeetCode problems, categorized by frequency and filtered across recent interview seasons.
Frequently Asked Questions
What are the top LeetCode questions for Sigmoid?
Leading questions include Binary Tree Zigzag Level Order Traversal, Best Time to Buy and Sell Stock, Move Zeroes. Reviewing questions with higher recency (within the last 30 to 90 days) yields the highest return on preparation time.
Where can I practice company-wise LeetCode questions for Sigmoid?
You can practice all 16 Sigmoid LeetCode questions right here on LeetMap Pro. Filter by 30-day, 3-month, and 6-month recency, track your progress with local checkpoints, and practice curated SQL problems completely free.
How should I prepare for Sigmoid coding rounds?
Begin by reviewing Medium-difficulty problems (11 tracked), which constitute the majority of technical rounds. Complement coding practice with foundational DSA patterns like Sliding Window, Two Pointers, and Graph Traversal.