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					1519.Number of Nodes in the Sub-Tree With the Same LabelYou are given a tree (i.…				
				
			 
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					149.Max Points on a LineGiven an array ofpointswherepoints[i] = [xi, yi]represen…				
				
			 
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					70.Climbing StairsYou are climbing a staircase. It takesnsteps to reach the top.…				
				
			 
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					380.Insert Delete GetRandom O(1)Medium6981353Add to ListShareImplement theRandom…				
				
			 
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					79.Word SearchMedium12096487Add to ListShareGiven anm x ngrid of charactersboard…				
				
			 
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					36.Valid SudokuMedium7416836Add to ListShareDetermine if a9 x 9Sudoku boardis va…				
				
			 
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					279.Perfect SquaresMedium8635373Add to ListShareGiven an integern, returnthe lea…				
				
			 
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					26.Remove Duplicates from Sorted ArrayEasy914912713Add to ListShareGiven an inte…				
				
			 
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					212.Word Search IIHard7661347Add to ListShareGiven anm x nboardof characters and…				
				
			 
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					345.Reverse Vowels of a StringEasy28672273Add to ListShareGiven a strings, rever…				
				
			 
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					1293.Shortest Path in a Grid with Obstacles EliminationHard369063Add to ListShar…				
				
			 
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					49.Group AnagramsMedium12974387Add to ListShareGiven an array of stringsstrs, gr…				
				
			 
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					692.Top K Frequent WordsMedium6373296Add to ListShareGiven an array of stringswo…				
				
			 
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					38.Count and SayMedium26795642Add to ListShareThecount-and-saysequence is a sequ…				
				
			 
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					1531.String Compression IIHard1499114Add to ListShareRun-length encodingis a str…