릿코드 337문제 독파하기

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일단 EASY 65문제 출발~!

1	771	Jewels and Stones	Hash Table	86.70%	Easy
2	1021	Remove Outermost Parentheses	Stack	78.50%	Easy
3	346	Moving Average from Data Stream	DesignQueue	72.30%	Easy
4	359	Logger Rate Limiter	Hash TableDesign	71.40%	Easy
5	1237	Find Positive Integer Solution for a Given Equation	MathBinary Search	69.60%	Easy
6	1441	Build an Array With Stack Operations	Stack	69.40%	Easy
7	559	Maximum Depth of N-ary Tree	TreeDepth-first SearchBreadth-first Search	69.10%	Easy
8	463	Island Perimeter	Hash Table	66.20%	Easy
9	136	Single Number	Hash TableBit Manipulation	66.10%	Easy
10	226	Invert Binary Tree	Tree	66.00%	Easy
11	682	Baseball Game	Stack	65.10%	Easy
12	206	Reverse Linked List	Linked List	63.90%	Easy
13	175	Combine Two Tables	62.40%	Easy
14	706	Design HashMap	Hash TableDesign	62.00%	Easy
15	243	Shortest Word Distance	Array	61.30%	Easy
16	169	Majority Element	ArrayDivide and ConquerBit Manipulation	59.40%	Easy
17	1170	Compare Strings by Frequency of the Smallest Character	ArrayString	59.30%	Easy
18	108	Convert Sorted Array to Binary Search Tree	TreeDepth-first Search	59.20%	Easy
19	283	Move Zeroes	ArrayTwo Pointers	58.20%	Easy
20	690	Employee Importance	Hash TableDepth-first SearchBreadth-first Search	57.80%	Easy
21	242	Valid Anagram	Hash TableSort	57.60%	Easy
22	171	Excel Sheet Column Number	Math	56.50%	Easy
23	733	Flood Fill	Depth-first Search	55.60%	Easy
24	21	Merge Two Sorted Lists	Linked List	54.70%	Easy
25	118	Pascal's Triangle	Array	53.70%	Easy
26	485	Max Consecutive Ones	Array	53.70%	Easy
27	387	First Unique Character in a String	Hash TableString	53.60%	Easy
28	350	Intersection of Two Arrays II	Hash TableTwo PointersBinary SearchSort	51.70%	Easy
29	121	Best Time to Buy and Sell Stock	ArrayDynamic Programming	51.10%	Easy
30	703	Kth Largest Element in a Stream	HeapDesign	50.10%	Easy
31	830	Positions of Large Groups	Array	49.90%	Easy
32	392	Is Subsequence	Binary SearchDynamic ProgrammingGreedy	49.40%	Easy
33	9	Palindrome Number	Math	49.10%	Easy
34	543	Diameter of Binary Tree	Tree	48.80%	Easy
35	70	Climbing Stairs	Dynamic Programming	48.20%	Easy
36	415	Add Strings	String	47.90%	Easy
37	101	Symmetric Tree	TreeDepth-first SearchBreadth-first Search	47.50%	Easy
38	53	Maximum Subarray	ArrayDivide and ConquerDynamic Programming	47.20%	Easy
39	836	Rectangle Overlap	Math	46.80%	Easy
40	844	Backspace String Compare	Two PointersStack	46.70%	Easy
41	303	Range Sum Query - Immutable	Dynamic Programming	46.10%	Easy
42	1	Two Sum	ArrayHash Table	46.00%	Easy
43	155	Min Stack	StackDesign	45.40%	Easy
44	38	Count and Say	String	45.30%	Easy
45	345	Reverse Vowels of a String	Two PointersString	44.60%	Easy
46	989	Add to Array-Form of Integer	Array	44.50%	Easy
47	1592	Rearrange Spaces Between Words	String	44.00%	Easy
48	110	Balanced Binary Tree	TreeDepth-first Search	43.90%	Easy
49	66	Plus One	Array	42.90%	Easy
50	198	House Robber	Dynamic Programming	42.50%	Easy
51	160	Intersection of Two Linked Lists	Linked List	41.90%	Easy
52	205	Isomorphic Strings	Hash Table	40.10%	Easy
53	234	Palindrome Linked List	Linked ListTwo Pointers	39.90%	Easy
54	88	Merge Sorted Array	ArrayTwo Pointers	39.90%	Easy
55	20	Valid Parentheses	StringStack	39.30%	Easy
56	219	Contains Duplicate II	ArrayHash Table	38.20%	Easy
57	278	First Bad Version	Binary Search	36.60%	Easy
58	157	Read N Characters Given Read4	String	36.30%	Easy
59	14	Longest Common Prefix	String	35.80%	Easy
60	914	X of a Kind in a Deck of Cards	ArrayMath	34.60%	Easy
61	58	Length of Last Word	String	33.30%	Easy
62	941	Valid Mountain Array	Array	32.30%	Easy
63	204	Count Primes	Hash TableMath	31.90%	Easy
64	168	Excel Sheet Column Title	Math	31.40%	Easy
65	163	Missing Ranges	Array	25.00%	Easy

 

 

 

Hash

771	Jewels and Stones	Hash Table	86.70%	Easy
359	Logger Rate Limiter	Hash Table Design	71.40%	Easy
463	Island Perimeter	Hash Table	66.20%	Easy
136	Single Number	Hash Table Bit Manipulation	66.10%	Easy
706	Design HashMap	Hash Table Design	62.00%	Easy
690	Employee Importance	Hash Table Depth-first Search Breadth-first Search	57.80%	Easy
242	Valid Anagram	Hash Table Sort	57.60%	Easy
387	First Unique Character in a String	Hash Table String	53.60%	Easy
350	Intersection of Two Arrays II	Hash Table Two Pointers Binary Search Sort	51.70%	Easy
205	Isomorphic Strings	Hash Table	40.10%	Easy
204	Count Primes	Hash Table Math	31.90%	Easy