Graph problems
13 problems, easiest first. Solve in JavaScript or Python.
- Is There a Corridor Route?graph · bfs · union-findeasy
- Cheapest Route With Limited Layoversshortest-path · graph · dynamic-programmingmedium
- Count Islands on a Mapgraph · dfs · bfsmedium
- Fewest Terms to Finish a Programtopological-sort · graphmedium
- Find the Redundant Cableunion-find · graphmedium
- Plan Courses Smallest-Firstgraph · topological-sort · heapmedium
- Network Signal Delaygraph · dijkstra · heaphard
- Parallel Install Waves for Packagesgraph · devops · topological-sorthard
- Prune Links Two Teams Shareunion-find · graph · greedyhard
- Recover an Unknown Alphabettopological-sort · graphhard
- Shortest Delivery Loopdynamic-programming · graphhard
- Shortest Word Chaingraph · bfs · stringshard
- Water Supply for Every Houseunion-find · graph · greedyhard
Other topics
Strings 29Arrays 29Hash Map 29Math 22Sorting 19Simulation 16Dynamic Programming 16Greedy 15Two Pointers 13Sliding Window 13Matrix 13Heap 12Binary Search 11Parsing 11DevOps 10Tree 10Stack 9Linked List 9Bit Manipulation 9Bfs 9Fintech 8Frontend 8Dfs 7Prefix Sum 6Counting 6Machine Learning 6Data Processing 6Recursion 6Backtracking 6Statistics 5Intervals 5Queue 5Union Find 4Dates 4Divide And Conquer 4Topological Sort 4Stacks 3Geometry 3Binary Search Tree 3Shortest Path 3Trie 3