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					19.Remove Nth Node From End of ListMedium13095548Add to ListShareGiven theheadof…				
				
			 
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					113.Path Sum IIMedium6053126Add to ListShareGiven therootof a binary tree and an…				
				
			 
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					557.Reverse Words in a String IIIEasy3445196Add to ListShareGiven a strings, rev…				
				
			 
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					42.Trapping Rain WaterHard22787305Add to ListShareGivennnon-negative integers re…				
				
			 
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					56.Merge IntervalsMedium16127577Add to ListShareGiven an arrayofintervalswherein…				
				
			 
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					40.Combination Sum IIMedium6774167Add to ListShareGiven a collection of candidat…				
				
			 
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					94.Binary Tree Inorder TraversalEasy9501449Add to ListShareGiven therootof a bin…				
				
			 
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					606.Construct String from Binary TreeEasy22552782Add to ListShareGiven therootof…				
				
			 
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					814.Binary Tree PruningMedium3801102Add to ListShareGiven therootof a binary tre…				
				
			 
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					987.Vertical Order Traversal of a Binary TreeHard49353892Add to ListShareGiven t…				
				
			 
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					637.Average of Levels in Binary TreeEasy4148273Add to ListShareGiven therootof a…				
				
			 
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					48.Rotate ImageMedium11082548Add to ListShareYou are given ann x n2Dmatrixrepres…				
				
			 
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					200.Number of IslandsMedium15918371Add to ListShareGiven anm x n2D binary gridgr…				
				
			 
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					1329.Sort the Matrix DiagonallyMedium2613202Add to ListShareAmatrix diagonalis a…				
				
			 
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					234.Palindrome Linked ListEasy10588624Add to ListShareGiven theheadof a singly l…