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#	Problem	Companies
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1	Find if Path Exists in Graph	A F G M A Find if Path Exists in Graph · 4 Companies A Amazon F Facebook G Google M Microsoft
2	Number of Islands	A A B B A Number of Islands · 11 Companies A Amazon A Apple B Bloomberg B ByteDance F Facebook G Google LinkedIn M Meta M Microsoft O Oracle U Uber
3	Number of Provinces	A A B B A Number of Provinces · 8 Companies A Amazon A Apple B Bloomberg B ByteDance F Facebook G Google M Microsoft U Uber
4	Flood Fill	A A F G A Flood Fill · 5 Companies A Amazon A Apple F Facebook G Google M Microsoft
5	Island Perimeter	A A F G A Island Perimeter · 6 Companies A Amazon A Apple F Facebook G Google M Microsoft U Uber
6	Keys and Rooms	A A F G A Keys and Rooms · 5 Companies A Adobe A Amazon F Facebook G Google M Microsoft
7	Find the Town Judge	A B G M A Find the Town Judge · 4 Companies A Amazon B Bloomberg G Google M Microsoft
8	Employee Importance	A F G M A Employee Importance · 5 Companies A Amazon F Facebook G Google M Microsoft U Uber
9	Find Center of Star Graph	A A F G A Find Center of Star Graph · 5 Companies A Amazon A Apple F Facebook G Google M Microsoft
10	Swim in Rising Water	A B F G A Swim in Rising Water · 5 Companies A Amazon B Bloomberg F Facebook G Google M Microsoft
11	Minimum Cost to Make at Least One Valid Path in a Grid	A G M M A Minimum Cost to Make at Least One Valid Path in a Grid · 4 Companies A Amazon G Google M Meta M Microsoft
12	Min Cost to Connect All Points	A A F G A Min Cost to Connect All Points · 5 Companies A Amazon A Apple F Facebook G Google M Microsoft
13	Water Connection Problem	— —
14	Critical Connections in a Network	A A A B A Critical Connections in a Network · 10 Companies A Adobe A Amazon A Apple B Bloomberg B ByteDance F Facebook G Google M Microsoft O Oracle U Uber
15	Reconstruct Itinerary	A B F G A Reconstruct Itinerary · 7 Companies A Amazon B Bloomberg F Facebook G Google M Microsoft S Snapchat U Uber
16	Find Eventual Safe States	A B F G A Find Eventual Safe States · 5 Companies A Amazon B ByteDance F Facebook G Google M Microsoft
17	Shortest Path Visiting All Nodes	A B F G A Shortest Path Visiting All Nodes · 5 Companies A Amazon B ByteDance F Facebook G Google M Microsoft
18	Word Ladder II	A D F G A Word Ladder II · 8 Companies A Amazon D DoorDash F Facebook G Google LinkedIn M Microsoft S Snapchat Y Yandex
19	Strongly Connected Component Tarjanss Algo	A A F G A Strongly Connected Component Tarjanss Algo · 5 Companies A Adobe A Amazon F Flipkart G Goldman Sachs M Microsoft
20	Articulation Point	A A F G A Articulation Point · 7 Companies A Adobe A Amazon F Flipkart G Goldman Sachs G Google M Microsoft O Oracle
21	Bridge Edge In Graph	A G M A Bridge Edge In Graph · 3 Companies A Amazon G Goldman Sachs M Microsoft
22	Clone Graph	A A B F A Clone Graph · 8 Companies A Amazon A Apple B ByteDance F Facebook G Google LinkedIn M Microsoft U Uber
23	Rotting Oranges	A A B F A Rotting Oranges · 6 Companies A Amazon A Apple B Bloomberg F Facebook G Google M Microsoft
24	Pacific Atlantic Water Flow	A A G M A Pacific Atlantic Water Flow · 5 Companies A Amazon A Apple G Google M Meta M Microsoft
25	Surrounded Regions	A A B F A Surrounded Regions · 6 Companies A Amazon A Apple B ByteDance F Facebook G Google M Microsoft
26	Max Area of Island	A A B B A Max Area of Island · 7 Companies A Amazon A Apple B Bloomberg B ByteDance F Facebook G Google M Microsoft
27	Course Schedule	A A B B A Course Schedule · 11 Companies A Amazon A Apple B Bloomberg B ByteDance F Facebook G Google LinkedIn M Meta M Microsoft T Twitter U Uber
28	Course Schedule II	A A B B A Course Schedule II · 10 Companies A Amazon A Apple B Bloomberg B ByteDance D DoorDash F Facebook G Google LinkedIn M Microsoft U Uber
29	Redundant Connection	A A F G A Redundant Connection · 5 Companies A Amazon A Apple F Facebook G Google M Microsoft
30	Accounts Merge	A A B B A Accounts Merge · 7 Companies A Amazon A Apple B Bloomberg B ByteDance F Facebook G Google LinkedIn
31	Network Delay Time	A A B F A Network Delay Time · 7 Companies A Amazon A Apple B ByteDance F Facebook G Google M Microsoft U Uber
32	Cheapest Flights Within K Stops	A A B B A Cheapest Flights Within K Stops · 8 Companies A Airbnb A Amazon B Bloomberg B ByteDance F Facebook G Google M Microsoft U Uber
33	Path With Minimum Effort	A B F G A Path With Minimum Effort · 5 Companies A Amazon B Bloomberg F Facebook G Google M Microsoft
34	Word Ladder	A A B B A Word Ladder · 11 Companies A Amazon A Apple B Bloomberg B ByteDance D DoorDash F Facebook G Google LinkedIn M Meta M Microsoft U Uber
35	Open the Lock	A F G M A Open the Lock · 5 Companies A Amazon F Facebook G Google M Microsoft U Uber
36	Bus Routes	A B G M A Bus Routes · 5 Companies A Amazon B ByteDance G Google M Microsoft U Uber