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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…				
				
			 
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					13.Roman to IntegerEasy6435387Add to ListShareRoman numerals are represented by …				
				
			 
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					235.Lowest Common Ancestor of a Binary Search TreeEasy6840214Add to ListShareGiv…				
				
			 
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					98.Validate Binary Search TreeMedium11369956Add to ListShareGiven therootof a bi…				
				
			 
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					300.Longest Increasing SubsequenceMedium13979256Add to ListShareGiven an integer…				
				
			 
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					858.Mirror ReflectionMedium5441175Add to ListShareThere is a special square room…				
				
			 
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					378.Kth Smallest Element in a Sorted MatrixMedium6730252Add to ListShareGiven an…				
				
			 
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					62.Unique PathsMedium10250319Add to ListShareThere is a robot on anm x ngrid. Th…				
				
			 
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					242.Valid AnagramEasy5889232Add to ListShareGiven two stringssandt, returntrueif…				
				
			 
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					114.Flatten Binary Tree to Linked ListMedium7874473Add to ListShareGiven theroot…				
				
			 
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					236.Lowest Common Ancestor of a Binary TreeMedium10903288Add to ListShareGiven a…				
				
			 
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					34.Find First and Last Position of Element in Sorted ArrayMedium11860315Add to L…				
				
			 
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					92.Reverse Linked List IIMedium6637309Add to ListShareGiven theheadof a singly l…