| # | Question | Solution | Difficulty | Tag | Companies |
|---|---|---|---|---|---|
| 2 | Add Two Numbers | C++ | Medium | Linked List Math Recursion | Amazon ✯ Apple ✯ Facebook ✯ Microsoft ✯ Bloomberg ✯ Google Adobe Yahoo Oracle Uber JPMorgan SAP Capital One Visa Huawei |
| 20 | Valid Parentheses | C++ | Easy | Stack | Amazon ✯ LinkedIn ✯ Facebook ✯ Microsoft ✯ Bloomberg ✯ Spotify Apple Adobe Expedia Google Oracle VMware Cisco Intel Yandex tiktok Arista Networks Barclays ServiceNow Uber Goldman Sachs Booking.com Salesforce Netflix Dataminr tcs |
| 62 | Unique Paths | C++ | Medium | Dynamic Programming Math Combinatorics | Google ✯ Walmart ✯ Paytm ✯ Ola ✯ Linkedin ✯ Cisco Zoho ByteDance Goldman Sachs Mathworks Oracle Qualtrics Salesforce Snapchat Uber VMware Facebook Microsoft Amazon Apple Bloomberg Adobe Atlassian SAP Labs Thought works CoinDCX BNY Mellon Zomato Rudder Analytics Impetus DTCC Twilio MONEY view BYJUS Jio Platform Limited Directi Cashfree Payments SS SUPPLY CHAIN SOLUTIONS PVT LTD Physicswallah company Accoloite CashKaro.com Wheelseye Technology |
| 160 | Intersection of Two Linked Lists | C++ | Easy | Hash Table Linked List Two Pointers | Microsoft ✯ Amazon ✯ LinkedIn ✯ Facebook ✯ Adobe ✯ Nvidia tiktok Airbnb |
| 403 | Frog Jump | C++ | Hard | Dynamic Programming Array | Amazon ✯ Paypal ✯ Adobe ✯ Apple ✯ Bloomberg ✯ Facebook Oracle Salesforce Snapchat Yahoo Microsoft Infosys SAP Labs Arcesium Publicis Sapient CGI Inc. Dunzo Global Logic Ikarus 3D Google ByteDance tiktok |
| 547 | Number of Provinces | C++ | Medium | BFS DFS Union Find Graph | Google ✯ Uber ✯ Intuit ✯ Amazon ✯ Samsung ✯ Walmart Navi |
| 785 | Is Graph Bipartite? | C++ | Medium | BFS DFS Union Find Graph | Samsung ✯ Infosys ✯ Facebook ✯ PegaSystems ✯ Goldman Sachs ✯ Uber eBay Walmart OYO Triology Bunzo |
| 1020 | Number of Enclaves | C++ | Medium | Array BFS DFS Union Find Matrix | Google ✯ |
| 1324 | Print Words Vertically | C++ | Medium | Array String | Microsoft ✯ Postmates ✯ |
| 2326 | Spiral Matrix IV | C++ | Medium | Array Linked List Matrix | - |
| 2685 | Count the Number of Complete Components | C++ | Medium | DFS BFS Graph | - |
| 3207 | Maximum Points After Enemy Battles | C++ | Medium | Array Greedy | - |
