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					876.Middle of the Linked ListEasy8162221Add to ListShareGiven theheadof a singly…				
				
			 
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					2256.Minimum Average DifferenceMedium1173143Add to ListShareYou are given a0-ind…				
				
			 
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					451.Sort Characters By FrequencyMedium5965221Add to ListShareGiven a strings, so…				
				
			 
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					1207.Unique Number of OccurrencesEasy292062Add to ListShareGiven an array of int…				
				
			 
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					380.Insert Delete GetRandom O(1)Medium6981353Add to ListShareImplement theRandom…				
				
			 
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					1235.Maximum Profit in Job SchedulingHard466555Add to ListShareWe havenjobs, whe…				
				
			 
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					907.Sum of Subarray MinimumsMedium4496302Add to ListShareGiven an array of integ…				
				
			 
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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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					1926.Nearest Exit from Entrance in MazeMedium152857Add to ListShareYou are given…				
				
			 
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					224.Basic CalculatorHard4893367Add to ListShareGiven a stringsrepresenting a val…				
				
			 
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					223.Rectangle AreaMedium15641484Add to ListShareGiven the coordinates of tworect…				
				
			 
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					222.Count Complete Tree NodesMedium6649375Add to ListShareGiven therootof acompl…				
				
			 
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					947.Most Stones Removed with Same Row or ColumnMedium4072582Add to ListShareOn a…