CiscoLeetCode Questions
VerifiedCommunity-reported coding interview questions for Cisco, organized by frequency across 30-day, 3-month, and 6-month recency windows.
# | Problem | Difficulty | Frequency↓ | Acceptance | |
|---|---|---|---|---|---|
| #2603 | Collect Coins in a Tree3 sources | Hard | 100% | 39.5% | |
| #5 | Longest Palindromic Substring3 sources | Medium | 100% | 38.2% | |
| #198 | House Robber3 sources | Medium | 100% | 53.4% | |
| #212 | Word Search II3 sources | Hard | 88% | 38.6% | |
| #48 | Rotate Image3 sources | Medium | 88% | 80.4% | |
| #1380 | Lucky Numbers in a Matrix3 sources | Easy | 88% | 80.1% | |
| #54 | Spiral Matrix3 sources | Medium | 80% | 57.2% | |
| #3508 | Implement Router3 sources | Medium | 75% | 39.0% | |
| #3607 | Power Grid Maintenance3 sources | Medium | 75% | 56.1% | |
| #2081 | Sum of k-Mirror Numbers3 sources | Hard | 75% | 63.6% | |
| #2448 | Minimum Cost to Make Array Equal3 sources | Hard | 75% | 46.8% | |
| #2047 | Number of Valid Words in a Sentence3 sources | Easy | 75% | 31.3% | |
| #412 | Fizz Buzz3 sources | Easy | 75% | 75.7% | |
| #2986 | Medium | 75% | 53.8% | ||
| #3 | Medium | 72% | 39.4% | ||
| #53 | Maximum Subarray3 sources | Medium | 69% | 53.5% | |
| #146 | LRU Cache3 sources | Medium | 68% | 47.6% | |
| #2067 | Number of Equal Count Substrings3 sources | Medium | 65% | 45.6% | |
| #3047 | Medium | 65% | 67.0% | ||
| #1784 | Easy | 65% | 49.2% | ||
| #3648 | Minimum Sensors to Cover Grid3 sources | Medium | 65% | 68.8% | |
| #498 | Diagonal Traverse3 sources | Medium | 63% | 67.3% | |
| #72 | Edit Distance3 sources | Medium | 63% | 60.9% | |
| #1443 | Medium | 63% | 63.8% | ||
| #20 | Valid Parentheses3 sources | Easy | 63% | 44.5% | |
| #2 | Add Two Numbers3 sources | Medium | 63% | 48.8% | |
| #2016 | Easy | 63% | 66.6% | ||
| #1 | Two Sum3 sources | Easy | 56% | 57.8% | |
| #141 | Linked List Cycle3 sources | Easy | 56% | 54.7% | |
| #149 | Max Points on a Line3 sources | Hard | 55% | 31.0% | |
| #202 | Happy Number3 sources | Easy | 55% | 59.9% | |
| #15 | 3Sum3 sources | Medium | 51% | 39.4% | |
| #394 | Decode String3 sources | Medium | 51% | 62.9% | |
| #26 | Remove Duplicates from Sorted Array3 sources | Easy | 51% | 63.2% | |
| #56 | Merge Intervals3 sources | Medium | 50% | 52.3% | |
| #200 | Number of Islands3 sources | Medium | 50% | 64.7% | |
| #88 | Merge Sorted Array3 sources | Easy | 45% | 55.2% | |
| #121 | Best Time to Buy and Sell Stock3 sources | Easy | 45% | 57.0% | |
| #206 | Reverse Linked List3 sources | Easy | 45% | 80.8% | |
| #380 | Insert Delete GetRandom O(1)3 sources | Medium | 45% | 55.4% | |
| #49 | Group Anagrams3 sources | Medium | 45% | 72.9% | |
| #125 | Valid Palindrome3 sources | Easy | 45% | 53.7% | |
| #253 | Meeting Rooms II3 sources | Medium | 45% | 52.7% | |
| #25 | Reverse Nodes in k-Group3 sources | Hard | 45% | 66.6% | |
| #486 | Predict the Winner3 sources | Medium | 45% | 56.3% | |
| #236 | Medium | 45% | 69.7% | ||
| #79 | Word Search3 sources | Medium | 45% | 47.7% | |
| #283 | Move Zeroes3 sources | Easy | 44% | 64.1% | |
| #151 | Reverse Words in a String3 sources | Medium | 44% | 57.0% | |
| #128 | Longest Consecutive Sequence3 sources | Medium | 44% | 47.2% |
Cisco Technical Interview Overview & Company-Wise Questions
This page organizes 92 community-reported Cisco LeetCode problems by difficulty, frequency, and recency so you can build a focused preparation queue. Reports are aggregated from public datasets and should be treated as preparation signals rather than predictions.
How to prioritize Cisco preparation
Start with the 1 questions reported in the last 30 days, then work through the highest-frequency topics (Array, String, Hash Table, Two Pointers). This page tracks 92 community-reported questions across 23 Easy, 53 Medium, and 16 Hard problems. Data refreshed Oct 28, 2026.
Frequently Asked Questions
What are the most frequent LeetCode questions for Cisco?
The leading problems in the available Cisco interview reports include Collect Coins in a Tree, Longest Palindromic Substring, House Robber. This page tracks 92 reported problems across Easy (23), Medium (53), and Hard (16) difficulty levels.
Where can I practice company-wise LeetCode questions for Cisco?
You can review all 92 Cisco questions on this page, filter them by 30-day, 3-month, 6-month, and all-time windows, and save practice progress for free.
How does LeetMap Pro organize Cisco interview problem recency?
LeetMap Pro groups community-reported occurrences into 30-day, 3-month, 6-month, and older windows. These are preparation signals from the available sources, not guarantees that a problem will appear in a future interview.
What is the difficulty distribution for Cisco coding questions?
Medium is the largest tracked difficulty group for Cisco, with 53 problems. The full distribution is 23 Easy, 53 Medium, and 16 Hard.