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Problem Library

371 coding challenges available

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○ 201.Dynamic Tree Route Label LCPDynamic Trees · Fully Dynamic Graphs — Easy

○ 202.K-th Distinct Campus Spanning WeightDynamic Trees · Fully Dynamic Graphs — Easy

○ 203.Fully Dynamic Directed Reachability PairsDynamic Trees · Fully Dynamic Graphs — Easy

○ 204.Fully Dynamic City MSTDynamic Trees · Fully Dynamic Graphs — Easy

○ 205.Two Delivery Bots Minimum Joint EnergyMulti-Agent Path Finding · Product Graph — Easy

○ 206.Two Museum Guards With Timed ClosuresMulti-Agent Path Finding · Product Graph — Easy

○ 207.Three Warehouse Drones Coordinated ArrivalMulti-Agent Path Finding · Product Graph — Easy

○ 208.Two Hospital Robots Collision-Free ArrivalMulti-Agent Path Finding · Product Graph — Easy

○ 209.Dynamic Profit Range Best SegmentDynamic Queries · Mo's Algorithm With Modifications — Easy

○ 210.Dynamic Score Range InversionsDynamic Queries · Mo's Algorithm With Modifications — Easy

○ 211.Dynamic Seat Number Range MEXDynamic Queries · Mo's Algorithm With Modifications — Easy

○ 212.Dynamic Sales Range ModeDynamic Queries · Mo's Algorithm With Modifications — Easy

○ 213.Undoable Search Smallest Repeated FragmentPalindromic Tree · Rollback — Easy

○ 214.Undoable Code Longest Repeated BlockPalindromic Tree · Rollback — Easy

○ 215.Undoable Chat Distinct Palindrome CountPalindromic Tree · Rollback — Easy

○ 216.Undoable Notes Distinct Substring CountPalindromic Tree · Rollback — Easy

○ 217.Dynamic Road Network MST LedgerOffline Dynamic Graphs · Rollback DSU — Easy

○ 218.Dynamic Collaboration Bipartite AuditOffline Dynamic Graphs · Rollback DSU — Easy

○ 219.Dynamic Island Component CounterOffline Dynamic Graphs · Rollback DSU — Easy

○ 220.Dynamic Community Connection LedgerOffline Dynamic Graphs · Rollback DSU — Easy