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Yuqiong Li

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151 Snippets

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704 Binary Search Round 2

C++
0
0
480

useless dataset code

C++
0
0
544

OpenCV CMake

C++
0
0
598

contour

C++
0
0
639

opencv-rotations

C++
0
0
661

hello.c

C
0
0
555

78. Subsets (Bit manipulation)

Python
0
0
604

139. Word Break

Python
0
0
618

Largest Subarray Sum

Python
0
0
580

45. Jump Game II

Python
0
0
618

169. Majority Element

Python
0
0
598

39. Combination Sum

Python
0
0
565

LaiCode : Combination of coins

Python
0
0
729

All Permutations (Laicode DFS)

Python
0
0
756

77. Combinations

Python
0
0
690

2 Sum All Pair I (LaiCode)

Python
0
0
722

653. Two Sum IV - Input is a BST

Python
0
0
856

Largest Number Smaller In BST (LaiCode)

Python
0
0
704

270. Closest Binary Search Tree Value

Python
0
0
657

Insert in BST (LaiCode)

Python
0
0
618

LCA (with parent)

Python
0
0
608

54.Spiral Matrix

Python
0
0
711

Deduplication2 (inplace)

C++
0
0
515

Deduplication1 (inplace)

C++
0
0
443

All Permutations

C++
0
0
478

Remove Adjacent Repeated Characters IV (Passed solution)

C++
0
0
531

677. Map Sum Pairs

C++
0
0
516

208. Implement Trie (Prefix Tree)

C++
0
0
617

207. Course Schedule (optimized topological sort)

C++
0
0
505

32. Longest Valid Parentheses

C++
0
0
515

127. Word Ladder

C++
0
0
450

252. Meeting Rooms

C++
0
0
489

253. Meeting Rooms II

C++
0
0
613

703. Kth Largest Element in a Stream

C++
0
0
608

681. Next Closest Time (unfinished)

C++
0
0
477

208. Implement Trie (Prefix Tree)

C++
0
0
494

122. Best Time to Buy and Sell Stock II

C++
0
0
543

860. Lemonade Change

C++
0
0
621

720. Longest Word in Dictionary (DFS + Trie --- Unfinished. TLE. Too much work to make it right...)

C++
0
0
646

720. Longest Word in Dictionary (Brute Force)

C++
0
0
537

322. Coin Change

C++
0
0
506

322. Coin Change

C++
1
0
783

Add Two Numbers (Rewrite)

C++
0
0
508

2. Add Two Numbers

C++
0
0
517

2. Add Two Numbers (inplace... but wrong)

C++
0
0
673

518. Coin Change 2 (Segmentation Fault...)

C++
0
0
529

All Subsets I (LaiCode)

C++
0
0
540

78. Subsets

C++
0
0
512

378. Kth Smallest Element in a Sorted Matrix (Brute Force)

C++
0
0
516

Check if a given binary tree is complete (LaiCode, out-of-memory)

C++
0
0
606

102. Binary Tree Level Order Traversal

C++
0
0
529

438. Find All Anagrams in a String (Hash Table)

C++
0
0
516

242. Valid Anagram

C++
0
0
573

151. Reverse Words in a String (Inplace) -- unfinished! Write the copy part.

C++
0
0
554

151. Reverse Words in a String

C++
0
0
544

3. Longest Substring Without Repeating Characters (set)

C++
0
0
619

3. Longest Substring Without Repeating Characters (Brute Force)

C++
0
0
535

Right Shift By N Characters (Laicode)

C++
0
0
900

848. Shifting Letters

C++
0
0
510

848. Shifting Letters

C++
0
0
534

Remove Adjacent Repeated Characters (IV) --- Not done yet.

C++
0
0
567

Remove Adjacent Repeated Characters

C++
0
0
560

Remove Spaces (LaiCode)

C++
1
0
586

270. Closest Binary Search Tree Value (Wrong solution)

C++
1
0
484

700. Search in a Binary Search Tree (iterative)

C++
0
0
571

700. Search in a Binary Search Tree (recursive)

C++
0
0
562

160. Intersection of Two Linked Lists

C++
0
0
650

Insert In Sorted Linked List (LaiCode)

C++
0
0
635

147. Insertion Sort List

C++
0
0
539

147. Insertion Sort List (Wrong)

C++
0
0
519

Top K Frequent Words (LaiCode version)

C++
1
0
775

771. Jewels and Stones (unordered_set solution)

C++
0
0
527

771. Jewels and Stones

C++
0
0
545

234. Palindrome Linked List

C++
0
0
550

530 Minimum Absolute Difference in BST (Verbose)

C++
0
0
504

Postorder iterative verbose

C++
0
0
541

Inorder Traversal Iterative Verbose

C++
0
0
450

55. Jump Game

C++
0
0
534

Max Product Of Cutting Rope (LaiCode) Correct Version

C++
0
0
685

Max Product Of Cutting Rope (LaiCode)

C++
0
0
622

Longest Ascending SubArray (continuous)

C++
0
0
548

300. Longest Increasing Subsequence (continuous)

C++
1
0
508

530. Minimum Absolute Difference in BST

C++
1
0
582

203. Remove Linked List Elements

C++
0
0
503

203. Remove Linked List Elements -- version 3 recursion

C++
0
0
545

203. Remove Linked List Elements -- version 2

C++
0
0
484

203. Remove Linked List Elements

C++
1
0
641

Hash Table Implementation In C++

C++
0
0
608

22. Generate Parentheses

C++
1
0
529

784 Letter Case Permutation

C++
0
0
524

46 Permutations

C++
0
0
530

784. Letter Case Permutation

C++
1
0
483

Backtracking: Printing Binary

C++
0
0
508

53. Maximum Subarray

C++
0
0
538

125. Valid Palindrome

C++
0
0
592

207. Course Schedule

C++
0
0
594

841. Keys and Rooms

C++
0
0
523

841. Keys and Rooms

C++
0
0
558

DFS of graph

C++
0
0
491

BFS of graph

C++
0
0
549

347. Top K Frequent Elements

C++
0
0
527

102. Binary Tree Level Order Traversal

C++
0
0
566

636 Exclusive Time of Functions - rewrote

C++
0
0
558

636. Exclusive Time of Functions

C++
0
0
538

559. Maximum Depth of N-ary Tree

C++
0
0
769

872. Leaf-Similar Trees

C++
0
0
543

35. Search Insert Position

C++
0
0
497

K Smallest In Unsorted Array

C++
0
0
518

102. Binary Tree Level Order Traversal

C++
0
0
536

Get Keys In Binary Search Tree - unfinished

C++
0
0
549

Check if a given binary tree is symmetric.

C++
0
0
674

169. Tower of Hanoi

C++
0
0
747

In-order Traversal Of Binary Tree

Python
3
0
683

144. Binary Tree Preorder Traversal - optimized

Python
0
0
559

144. Binary Tree Preorder Traversal

Python
0
0
578

86. Partition List

Python
0
0
531

143. Reorder List

Python
0
0
558

Merge Two Sorted Linked Lists

Python
0
0
799

Insert In Sorted Linked List

Python
0
0
573

Linked List Cycle C++

Python
0
0
524

141. Linked List Cycle

Python
0
0
646

Middle Node Of Linked List

Python
0
0
538

Reverse Linked List

Python
0
0
600

First Occurrence

C++
0
0
513

Classical Binary Search

C++
0
0
519

Rainbow Sort

Python
0
0
579

Quick Sort

Python
0
0
698

206. Reverse Linked List : iterative

Python
0
0
586

206. Reverse Linked List - recursive

Python
0
0
903

876. Middle of the Linked List

Python
0
0
672

2. Add Two Numbers

Python
0
0
550

543. Diameter of Binary Tree

Python
0
0
623

101. Symmetric Tree

Python
0
0
550

51. N-Queens

Python
0
0
896

35. Search Insert Position

Python
0
0
573

35. Search Insert Position

Python
0
0
739

35. Search Insert Position

Python
0
0
501

658. Find K Closest Elements

Python
0
0
873

51. N-Queens - backtracking

Python
0
0
558

51. N-Queens - Solved

Python
1
0
479

51. N-Queens Brute force

Python
0
0
527

146. LRU Cache

Python
0
0
564

53. Maximum Subarray

Python
1
0
781

53. Maximum Subarray - divide and conquer

Python
2
0
752

53. Maximum Subarray - brute force

Python
1
0
1108

94. Binary Tree Inorder Traversal

Python
0
0
537

687. Longest Univalue Path

Python
2
0
909

20. Valid Parentheses

Python
0
0
713

Inorder Traversal Non-ending recursion

Python
0
0
531

94. Binary Tree Inorder Traversal

Python
1
0
863

617. Merge Two Binary Trees

Python
1
0
571