leetcode

Personal submissions of Leetcode problems.

LeetCode Topics

Array

0001-two-sum
0118-pascals-triangle
0119-pascals-triangle-ii
0121-best-time-to-buy-and-sell-stock
0952-word-subsets
1524-string-matching-in-an-array
1895-minimum-number-of-operations-to-move-all-balls-to-each-box
2292-counting-words-with-a-given-prefix
2465-shifting-letters-ii
3309-count-prefix-and-suffix-pairs-i

Dynamic Programming

0070-climbing-stairs
0118-pascals-triangle
0119-pascals-triangle-ii
0121-best-time-to-buy-and-sell-stock
0338-counting-bits
0392-is-subsequence

Math

0002-add-two-numbers
0070-climbing-stairs

Memoization

0070-climbing-stairs

Bit Manipulation

0338-counting-bits
2059-unique-length-3-palindromic-subsequences

String

0392-is-subsequence
0952-word-subsets
1502-construct-k-palindrome-strings
1524-string-matching-in-an-array
1537-maximum-score-after-splitting-a-string
1895-minimum-number-of-operations-to-move-all-balls-to-each-box
2059-unique-length-3-palindromic-subsequences
2221-check-if-a-parentheses-string-can-be-valid
2292-counting-words-with-a-given-prefix
2465-shifting-letters-ii
3309-count-prefix-and-suffix-pairs-i

Prefix Sum

1537-maximum-score-after-splitting-a-string
1895-minimum-number-of-operations-to-move-all-balls-to-each-box
2059-unique-length-3-palindromic-subsequences
2465-shifting-letters-ii

Hash Table

0001-two-sum
0952-word-subsets
1502-construct-k-palindrome-strings
2059-unique-length-3-palindromic-subsequences

Two Pointers

0392-is-subsequence

Trie

3309-count-prefix-and-suffix-pairs-i

Rolling Hash

3309-count-prefix-and-suffix-pairs-i

String Matching

1524-string-matching-in-an-array
2292-counting-words-with-a-given-prefix
3309-count-prefix-and-suffix-pairs-i

Hash Function

3309-count-prefix-and-suffix-pairs-i

Linked List

0002-add-two-numbers

Recursion

0002-add-two-numbers

Greedy

1502-construct-k-palindrome-strings
2221-check-if-a-parentheses-string-can-be-valid

Counting

1502-construct-k-palindrome-strings

Stack

2221-check-if-a-parentheses-string-can-be-valid

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