Stack & Queue
20 videos • 50,474 views • by Techdose
1
Next greater element in an array
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2
Implement Queue using Stack (with Example)
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3
Implement Stack by using Queue (with Example)
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4
Parenthesis checker | Check validity of an expression
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5
Circular tour problem
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6
Design special stack with getmin in O(1) time
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7
Design special stack with getmin in O(1) time time and O(1) space
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8
Implement LRU cache
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9
Rotten oranges problem | Leetcode #994
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10
First non repeating character in a stream | Leetcode #387
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11
Maximum of all subarrays of size K | Leetcode #239
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12
Implement min stack | Leetcode #155
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13
Valid parenthesis string | Leetcode #678
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14
LRU cache | Leetcode #146
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15
First unique number | Leetcode
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16
Remove K digits | Build lowest number | Leetcode #402
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17
Online Stock Span | Previous greater element | Leetcode #901
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18
Kth Smallest Element in a BST | Leetcode #230
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19
Largest rectangle in Histogram | Leetcode #84
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20
Remove Duplicate Letters | Leetcode #316
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