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These are the questions which i did during my preparation.
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DSA SHEET by NISHANT CHAHAR
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Question Link DONE HINT
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 Stacks
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1Next Greater Element on right
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2Next Greater Element 2
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3Daily Temperatures
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4maximum difference between left and right smaller
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5Stock Span Problem
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6Largest Rectangular Area Histogram
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7maximu size binary matrix containing 1
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8Valid Parentheses
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9Length of longest valid substring
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10Count of duplicate Parentheses
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11Decode String
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12Minimum Add To make Parentheses Valid
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13Print Bracket Number
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14Asteroid Collision
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15Backspace String Compare
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16Print Binary Number
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17Score Of String
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18Remove K digits From number
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19Car fleet
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20First negative Integer in k sized window
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21Addition
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22Gas Station
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23Maximum sum of smallest and second smallest
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24Min Stack
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25K stacks in a single array
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26Validate Stack
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27K reverse in a queue
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28largest Pair sum in unsorted array
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Linked Lists
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Binary Tree
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Binary search tree
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Mixed from tree (General tree, AVL,BST)
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Arrays & strings ( STL )
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Heap
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17mathematics
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Searching & Sorting
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Graph
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Dynamic programming
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BFS/DFS
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Text processing
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Number theory
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Geometry
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Game Theory
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