Practice
1948 problems, in the order the course teaches them. Every one runs on a real compiler against real test cases.
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1. Print Hello World
Fundamentals · Foundation
0 / 1948
solved
40 of 1948
Graphs, BFS & DFS
0 of 40- Not tried361Breadth First OrderFoundationno data
- Not tried362Depth First OrderFoundationno data
- Not tried363How Many Connected PiecesCoreno data
- Not tried364Fewest Edges Between Two VerticesCoreno data
- Not tried365Does the Graph Have a CycleCoreno data
- Not tried366Can It Be Two-ColouredChallengeno data
- Not tried367Size of the Largest ComponentCoreno data
- Not tried368The Busiest VertexFoundationno data
- Not tried369Vertices With No EdgesFoundationno data
- Not tried370Is This Graph a TreeCoreno data
- Not tried371Exactly K Steps AwayCoreno data
- Not tried372Counting IslandsChallengeno data
- Not tried373Flood FillCoreno data
- Not tried374Area of the Largest IslandCoreno data
- Not tried375Shortest Way Through the MazeChallengeno data
- Not tried376Perimeter of the LandFoundationno data
- Not tried377How Long Until Everything RotsChallengeno data
- Not tried378Where Can You StartFoundationno data
- Not tried379A Cycle You Cannot EscapeChallengeno data
- Not tried380An Order That Respects Every ArrowChallengeno data
- Not tried381How Much Can You ReachCoreno data
- Not tried382Counting TrianglesChallengeno data
- Not tried383Is Everyone Joined to EveryoneFoundationno data
- Not tried384Is It a StarCoreno data
- Not tried385Edges Inside One ComponentCoreno data
- Not tried386Friend CirclesCoreno data
- Not tried387The Edge That Closed the LoopChallengeno data
- Not tried388Cheapest Route to the EndChallengeno data
- Not tried389Cheapest Way to Join EverythingChallengeno data
- Not tried390Knight to the Far CornerCoreno data
- Not tried391The Longest Walk in a TreeChallengeno data
- Not tried392How Far Is the FurthestCoreno data
- Not tried393Components of Exactly This SizeCoreno data
- Not tried394Counting Paths of Two EdgesCoreno data
- Not tried395A Vertex That Reaches EveryoneCoreno data
- Not tried396Edges Needed to Join It All UpFoundationno data
- Not tried397How Many at Each DistanceCoreno data
- Not tried398How Many Pairs Can Reach Each OtherChallengeno data
- Not tried399The Longest Chain of ArrowsChallengeno data
- Not tried400Everyone Can Reach EveryoneChallengeno data