Hash
49 videos • 18,356 views • by Techdose
1
Rolling hash | Rabin karp algorithm | Pattern searching
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2
Boggle | Find all possible words in a board of characters
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3
Group anagrams | Leetcode #49
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4
Counting elements | Leetcode
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5
Jewels and stones | Leetcode #771
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6
Jewels and stones | Leetcode #771
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7
Jewels and stones | Leetcode #771
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8
Ransom note | Leetcode #383
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9
Ransom note | Leetcode #383
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10
First unique character in a string | Leetcode #387
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11
First unique character in a string | Leetcode #387
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12
Find All Anagrams in a String | Sliding window | Leetcode #438
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13
Find All Anagrams in a String | Sliding window | Leetcode #438
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14
Find All Anagrams in a String | Sliding window | Leetcode #438
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15
Permutation in String | Anagram of string s1 in string s2 | Leetcode #567
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16
Permutation in String | Anagram of string s1 in string s2 | Leetcode #567
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17
Permutation in String | Anagram of string s1 in string s2 | Leetcode #567
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18
Count Square Submatrices with All Ones | Dynamic Programming | Rolling Hash | Leetcode #1277
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19
Sort Characters By Frequency | Leetcode #451
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20
Sort Characters By Frequency | Leetcode #451
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21
Sort Characters By Frequency | Leetcode #451
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22
K Closest Points to Origin | Leetcode #973
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23
K Closest Points to Origin | Leetcode #973
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24
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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25
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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26
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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27
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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28
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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29
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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30
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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31
Perfect subarray | Google Kickstart 2020 | Round C | Q3
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32
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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33
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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34
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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35
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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36
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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37
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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38
Is Subsequence | Leetcode #392 | Binary search + Map | 2 Pointer
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39
Design data structure | Insert Delete GetRandom O(1) | Leetcode #380
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40
Design data structure | Insert Delete GetRandom O(1) | Leetcode #380
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41
Design data structure | Insert Delete GetRandom O(1) | Leetcode #380
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42
Design data structure | Insert Delete GetRandom O(1) | Leetcode #380
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43
Design data structure | Insert Delete GetRandom O(1) | Leetcode #380
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44
Trick to efficiently search string in corpus | String to integer | MAP | TRIE
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45
Trick to efficiently search string in corpus | String to integer | MAP | TRIE
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46
Trick to efficiently search string in corpus | String to integer | MAP | TRIE
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47
Trick to efficiently search string in corpus | String to integer | MAP | TRIE
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48
Trick to efficiently search string in corpus | String to integer | MAP | TRIE
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49
Trick to efficiently search string in corpus | String to integer | MAP | TRIE
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