Squence	Problem	Level	Language	Tags
1	1.TwoSum.cs	Easy	C#	[Array Hash Table]
4	4.MedianofTwoSortedArrays	Hard	C#	[Array Binary Search]
15	15.3Sum	Medium	C#	[Array Two Pointer]
16	16.3SumClosest	Medium	C#	[Array Two Pointer]
33	33.SearchinRotatedSortedArray	Medium	C#	[Array Two Pointer]
34	34.FindFirstandLastPositionofElementinSortedArray	Medium	C#	[Array Two Pointer]
39	39.CombinationSum	Medium	C#	[Array BackTrack]
40	40.CombinationSumII	Medium	C#	[Array BackTrack]
41	41.FirstMissingPositive.cs	Hard	C#	[Array]
42	42.TrappingRainWater.cs	Hard	C#	[Array Two pointer Stack]
45	45.JumpGameII.cs	Hard	C#	[Array Greddy]
48	48.RotateImage.cs	Medium	C#	[Array]
54	54.SpiralMatrix.cs	Medium	C#	[Array]
55	55.JumpGame.cs	Medium	C#	[Array Greedy]
56	56.MergeIntervals.cs	Medium	C#	[Array Greedy]
57	57.InsertInterval.cs	Hard	C#	[Array Sort]
59	59.SpiralMatrixII.cs	Medium	C#	[Array]
62	62.UniquePaths.cs	Medium	C#	[Array DP]
63	63.UniquePathsII.cs	Medium	C#	[Array DP]
64	64.MinimumPathSum.cs	Medium	C#	[Array DP]
74	74.Searcha2DMatrix.cs	Medium	C#	[Array Binary Search]
78	78.Subsets.cs	Medium	C#	[Array Backtrack]
79	79.WordSearch.cs	Medium	C#	[Array DFS]
81	81.SearchinRotatedSortedArrayII.cs	Medium	C#	[Array Binary Search]
84	84.LargestRectangleinHistogram.cs	Hard	C#	[Array Stack]
90	90.SubsetsII.cs	Medium	C#	[Array Backtrack]
105	105.ConstructBinaryTreefromPreorderandInorderTraversal.cs	Medium	C#	[Array Tree]
1276	1276.NumberofBurgerswithNoWasteofIngredients.cs	Medium	C#	[Math Greedy]
1277	1277.CountSquareSubmatriceswithAllOnes.cs	Medium	C#	[Array DP]
1278	1278.PalindromePartitioningIII	Hard	C#	[DP]
1282	1282.GroupthePeopleGiventheGroupSizeTheyBelongTo.cs	Medium	C#	[Array Greedy]
1283	1283.FindtheSmallestDivisorGivenaThreshold.cs	Medium	C#	[Binary Search]