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leetcode

알고리즘 공부하기

Easy도 아직 어려운게 많다...하 node 문제..눙물
Medium...그래도 몇개 풀었따...눙물

Array

0039-combination-sum
0042-trapping-rain-water
0048-rotate-image
2058-concatenation-of-array
2519-find-the-original-array-of-prefix-xor
2631-sort-the-students-by-their-kth-score

Math

0048-rotate-image
2481-strictly-palindromic-number
2812-find-the-maximum-achievable-number

Matrix

0048-rotate-image
2631-sort-the-students-by-their-kth-score

Backtracking

0039-combination-sum

Two Pointers

0042-trapping-rain-water
2481-strictly-palindromic-number

Dynamic Programming

0042-trapping-rain-water

Stack

0042-trapping-rain-water

Monotonic Stack

0042-trapping-rain-water

Brainteaser

2481-strictly-palindromic-number

String

1807-partitioning-into-minimum-number-of-deci-binary-numbers
3379-score-of-a-string

Greedy

1807-partitioning-into-minimum-number-of-deci-binary-numbers

Bit Manipulation

2519-find-the-original-array-of-prefix-xor

Linked List

2299-merge-nodes-in-between-zeros

Simulation

2058-concatenation-of-array
2299-merge-nodes-in-between-zeros

Tree

1254-deepest-leaves-sum

Depth-First Search

1254-deepest-leaves-sum

Breadth-First Search

1254-deepest-leaves-sum

Binary Tree

1254-deepest-leaves-sum

Sorting

2631-sort-the-students-by-their-kth-score

LeetCode Topics

Array

1342-queens-that-can-attack-the-king
1407-group-the-people-given-the-group-size-they-belong-to
1572-subrectangle-queries
2265-partition-array-according-to-given-pivot
2724-convert-an-array-into-a-2d-array-with-conditions

Design

0535-encode-and-decode-tinyurl
1572-subrectangle-queries

Matrix

1342-queens-that-can-attack-the-king
1572-subrectangle-queries

Linked List

2903-insert-greatest-common-divisors-in-linked-list

Math

2556-convert-the-temperature
2903-insert-greatest-common-divisors-in-linked-list

Number Theory

2903-insert-greatest-common-divisors-in-linked-list

Tree

1114-binary-search-tree-to-greater-sum-tree
2347-count-nodes-equal-to-average-of-subtree

Depth-First Search

1114-binary-search-tree-to-greater-sum-tree
2347-count-nodes-equal-to-average-of-subtree

Binary Search Tree

1114-binary-search-tree-to-greater-sum-tree

Binary Tree

1114-binary-search-tree-to-greater-sum-tree
2347-count-nodes-equal-to-average-of-subtree

Hash Table

0535-encode-and-decode-tinyurl
1407-group-the-people-given-the-group-size-they-belong-to
2724-convert-an-array-into-a-2d-array-with-conditions

String

0535-encode-and-decode-tinyurl
3453-generate-binary-strings-without-adjacent-zeros

Hash Function

0535-encode-and-decode-tinyurl

Two Pointers

2265-partition-array-according-to-given-pivot

Simulation

1342-queens-that-can-attack-the-king
2265-partition-array-according-to-given-pivot

Bit Manipulation

3453-generate-binary-strings-without-adjacent-zeros

Recursion

3453-generate-binary-strings-without-adjacent-zeros