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[Medium] 146. LRU Cache
leetcodealgorithmmediumcppdesigndata-structureshash-maplinked-listproblem-solving
Nov 24, 2025
[Medium] Round Trip Ticket Cost Minimization
algorithmmediumcpparrayoptimizationproblem-solving
Nov 24, 2025
[Medium] 983. Minimum Cost For Tickets
leetcodealgorithmmediumcppdynamic-programmingproblem-solving
Nov 24, 2025
[Medium] 647. Palindromic Substrings
leetcodealgorithmmediumcppstringtwo-pointersproblem-solving
Nov 24, 2025
[Medium] 56. Merge Intervals
leetcodealgorithmmediumcpparraysortingintervalproblem-solving
Nov 24, 2025
[Medium] 528. Random Pick with Weight
leetcodealgorithmmediumcppdesignbinary-searchprefix-sumproblem-solving
Nov 24, 2025
[Medium] 398. Random Pick Index
leetcodealgorithmmediumcpphash-tablereservoir-samplingproblem-solving
Nov 24, 2025
[Medium] 277. Find the Celebrity
leetcodealgorithmmediumcppgraphtwo-pointersproblem-solving
Nov 24, 2025
[Medium] 1762. Buildings With an Ocean View
leetcodealgorithmmediumcpparraystackmonotonic-stackproblem-solving
Nov 24, 2025
[Medium] 129. Sum Root to Leaf Numbers
leetcodealgorithmmediumcpptreedfsproblem-solving