| 778. Swim in Rising WaterOpen source | Hard | ArrayBinary SearchDepth-First Search+6 more |
| 787. Cheapest Flights Within K StopsOpen source | Medium | Dynamic ProgrammingDepth-First SearchBreadth-First Search+3 more |
| 846. Hand of StraightsOpen source | Medium | ArrayHash TableGreedy+1 more |
| 853. Car FleetOpen source | Medium | ArrayStackSorting+1 more |
| 860. Lemonade ChangeOpen source | Easy | ArrayGreedy |
| 867. Transpose MatrixOpen source | Easy | ArrayMatrixSimulation |
| 875. Koko Eating BananasOpen source | Medium | ArrayBinary Search |
| 877. Stone GameOpen source | Medium | ArrayMathDynamic Programming+3 more |
| 881. Boats to Save PeopleOpen source | Medium | ArrayTwo PointersGreedy+2 more |
| 895. Maximum Frequency StackOpen source | Hard | Hash TableStackDesign+1 more |
| 901. Online Stock SpanOpen source | Medium | StackDesignMonotonic Stack+1 more |
| 912. Sort an ArrayOpen source | Medium | ArrayDivide and ConquerSorting+5 more |
| 918. Maximum Sum Circular SubarrayOpen source | Medium | ArrayDivide and ConquerDynamic Programming+2 more |
| 953. Verifying an Alien DictionaryOpen source | Easy | ArrayHash TableString |
| 973. K Closest Points to OriginOpen source | Medium | ArrayMathDivide and Conquer+5 more |
| 978. Longest Turbulent SubarrayOpen source | Medium | ArrayDynamic ProgrammingSliding Window |
| 981. Time Based Key-Value StoreOpen source | Medium | Hash TableStringBinary Search+1 more |
| 994. Rotting OrangesOpen source | Medium | ArrayBreadth-First SearchMatrix |
| 997. Find the Town JudgeOpen source | Easy | ArrayHash TableGraph Theory |
| 1011. Capacity To Ship Packages Within D DaysOpen source | Medium | ArrayBinary Search |
| 1046. Last Stone WeightOpen source | Easy | ArrayHeap (Priority Queue) |
| 1049. Last Stone Weight IIOpen source | Medium | ArrayDynamic ProgrammingKnapsack Problem+1 more |
| 1071. Greatest Common Divisor of StringsOpen source | Easy | MathStringEuclidean Algorithm+1 more |
| 1094. Car PoolingOpen source | Medium | ArraySortingHeap (Priority Queue)+2 more |
| 1095. Find in Mountain ArrayOpen source | Hard | ArrayBinary SearchInteractive+1 more |