LeetCode

LeetCode Topics

Array

0011-container-with-most-water
0031-next-permutation
0033-search-in-rotated-sorted-array
0035-search-insert-position
0053-maximum-subarray
0075-sort-colors
0088-merge-sorted-array
0121-best-time-to-buy-and-sell-stock
0136-single-number
0167-two-sum-ii-input-array-is-sorted
0169-majority-element
0204-count-primes
0238-product-of-array-except-self
0540-single-element-in-a-sorted-array
0792-binary-search
0882-peak-index-in-a-mountain-array
1574-maximum-product-of-two-elements-in-an-array
1580-shuffle-the-array
1603-running-sum-of-1d-array
2048-build-array-from-permutation
2058-concatenation-of-array

Bit Manipulation

0136-single-number

Divide and Conquer

0053-maximum-subarray
0169-majority-element

Dynamic Programming

0053-maximum-subarray
0121-best-time-to-buy-and-sell-stock
0509-fibonacci-number

Two Pointers

0011-container-with-most-water
0031-next-permutation
0075-sort-colors
0088-merge-sorted-array
0167-two-sum-ii-input-array-is-sorted

Binary Search

0033-search-in-rotated-sorted-array
0035-search-insert-position
0167-two-sum-ii-input-array-is-sorted
0540-single-element-in-a-sorted-array
0792-binary-search
0882-peak-index-in-a-mountain-array

Hash Table

0169-majority-element

Sorting

0075-sort-colors
0088-merge-sorted-array
0169-majority-element
1574-maximum-product-of-two-elements-in-an-array

Counting

0169-majority-element

Math

0007-reverse-integer
0009-palindrome-number
0050-powx-n
0204-count-primes
0509-fibonacci-number

Recursion

0050-powx-n
0509-fibonacci-number

Prefix Sum

0238-product-of-array-except-self
1603-running-sum-of-1d-array

Greedy

0011-container-with-most-water

Heap (Priority Queue)

1574-maximum-product-of-two-elements-in-an-array

Simulation

2048-build-array-from-permutation
2058-concatenation-of-array

Enumeration

0204-count-primes

Number Theory

0204-count-primes

Memoization

0509-fibonacci-number