Questions Solved During A2SV G7 In-Person

LeetCode Topics

Array

0001-two-sum
0014-longest-common-prefix
0049-group-anagrams
0136-single-number
0217-contains-duplicate
0229-majority-element-ii
0268-missing-number
0347-top-k-frequent-elements
0442-find-all-duplicates-in-an-array
0599-minimum-index-sum-of-two-lists
0609-find-duplicate-file-in-system
0881-boats-to-save-people
0985-sum-of-even-numbers-after-queries
1160-find-words-that-can-be-formed-by-characters
1528-shuffle-string
1893-check-if-all-the-integers-in-a-range-are-covered
2007-find-original-array-from-doubled-array
2553-separate-the-digits-in-an-array

String

0012-integer-to-roman
0013-roman-to-integer
0014-longest-common-prefix
0049-group-anagrams
0242-valid-anagram
0599-minimum-index-sum-of-two-lists
0609-find-duplicate-file-in-system
1160-find-words-that-can-be-formed-by-characters
1347-minimum-number-of-steps-to-make-two-strings-anagram
1528-shuffle-string

Trie

0014-longest-common-prefix

Hash Table

0001-two-sum
0012-integer-to-roman
0013-roman-to-integer
0049-group-anagrams
0202-happy-number
0217-contains-duplicate
0229-majority-element-ii
0242-valid-anagram
0268-missing-number
0347-top-k-frequent-elements
0442-find-all-duplicates-in-an-array
0599-minimum-index-sum-of-two-lists
0609-find-duplicate-file-in-system
1160-find-words-that-can-be-formed-by-characters
1347-minimum-number-of-steps-to-make-two-strings-anagram
1893-check-if-all-the-integers-in-a-range-are-covered
2007-find-original-array-from-doubled-array

Prefix Sum

1893-check-if-all-the-integers-in-a-range-are-covered

Math

0012-integer-to-roman
0013-roman-to-integer
0202-happy-number
0268-missing-number
2177-find-three-consecutive-integers-that-sum-to-a-given-number

Binary Search

0268-missing-number

Bit Manipulation

0136-single-number
0268-missing-number

Sorting

0049-group-anagrams
0217-contains-duplicate
0229-majority-element-ii
0242-valid-anagram
0268-missing-number
0347-top-k-frequent-elements
0442-find-all-duplicates-in-an-array
0881-boats-to-save-people
2007-find-original-array-from-doubled-array

Counting

0229-majority-element-ii
0347-top-k-frequent-elements
1160-find-words-that-can-be-formed-by-characters
1347-minimum-number-of-steps-to-make-two-strings-anagram

Two Pointers

0202-happy-number
0881-boats-to-save-people

Greedy

0881-boats-to-save-people
2007-find-original-array-from-doubled-array

Simulation

0985-sum-of-even-numbers-after-queries
2177-find-three-consecutive-integers-that-sum-to-a-given-number
2553-separate-the-digits-in-an-array

Divide and Conquer

0347-top-k-frequent-elements

Heap (Priority Queue)

0347-top-k-frequent-elements

Bucket Sort

0347-top-k-frequent-elements

Quickselect

0347-top-k-frequent-elements