1Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 2XOR Queries of a SubarrayMediumArrayBit ManipulationPrefix Sum
Solve → 3Find Polygon With the Largest PerimeterMediumArrayGreedySorting
Solve → 4Find First and Last Position of Element in Sorted ArrayMediumArrayBinary Search
Solve → 5Next PermutationMediumArrayTwo Pointers
Solve → 6Container With Most WaterMediumArrayTwo PointersGreedy
Solve → 7XOR Queries of a SubarrayMediumArrayBit ManipulationPrefix Sum
Solve → 8Find Polygon With the Largest PerimeterMediumArrayGreedySorting
Solve → 9Next PermutationMediumArrayTwo Pointers
Solve → 10Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 11Find First and Last Position of Element in Sorted ArrayMediumArrayBinary Search
Solve → 12Container With Most WaterMediumArrayTwo PointersGreedy
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