Yuqiong Li Snippets - Codepad

Codepad is a place for developers to share code snippets (PHP, Java, Bash, C, C++, Python and more). Create your HTML, CSS and JS Demos.

Sign up Learn more

Yuqiong Li

0 Followers

151 Snippets

Snippets
Collections
- Newest
- Oldest
- Popular
- Most comments
- Most views

704 Binary Search Round 2

C++
0
0
492

useless dataset code

C++
0
0
554

OpenCV CMake

C++
0
0
609

contour

C++
0
0
650

opencv-rotations

C++
0
0
675

hello.c

C
0
0
564

78. Subsets (Bit manipulation)

Python
0
0
618

139. Word Break

Python
0
0
634

Largest Subarray Sum

Python
0
0
592

45. Jump Game II

Python
0
0
634

169. Majority Element

Python
0
0
609

39. Combination Sum

Python
0
0
575

LaiCode : Combination of coins

Python
0
0
744

All Permutations (Laicode DFS)

Python
0
0
767

77. Combinations

Python
0
0
701

2 Sum All Pair I (LaiCode)

Python
0
0
734

653. Two Sum IV - Input is a BST

Python
0
0
873

Largest Number Smaller In BST (LaiCode)

Python
0
0
718

270. Closest Binary Search Tree Value

Python
0
0
674

Insert in BST (LaiCode)

Python
0
0
631

LCA (with parent)

Python
0
0
622

54.Spiral Matrix

Python
0
0
734

Deduplication2 (inplace)

C++
0
0
529

Deduplication1 (inplace)

C++
0
0
458

All Permutations

C++
0
0
490

Remove Adjacent Repeated Characters IV (Passed solution)

C++
0
0
546

677. Map Sum Pairs

C++
0
0
529

208. Implement Trie (Prefix Tree)

C++
0
0
640

207. Course Schedule (optimized topological sort)

C++
0
0
516

32. Longest Valid Parentheses

C++
0
0
530

127. Word Ladder

C++
0
0
460

252. Meeting Rooms

C++
0
0
502

253. Meeting Rooms II

C++
0
0
627

703. Kth Largest Element in a Stream

C++
0
0
621

681. Next Closest Time (unfinished)

C++
0
0
489

208. Implement Trie (Prefix Tree)

C++
0
0
509

122. Best Time to Buy and Sell Stock II

C++
0
0
553

860. Lemonade Change

C++
0
0
635

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

C++
0
0
667

720. Longest Word in Dictionary (Brute Force)

C++
0
0
554

322. Coin Change

C++
0
0
522

322. Coin Change

C++
1
0
807

Add Two Numbers (Rewrite)

C++
0
0
519

2. Add Two Numbers

C++
0
0
532

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

C++
0
0
700

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

C++
0
0
545

All Subsets I (LaiCode)

C++
0
0
557

78. Subsets

C++
0
0
524

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

C++
0
0
528

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

C++
0
0
621

102. Binary Tree Level Order Traversal

C++
0
0
543

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

C++
0
0
528

242. Valid Anagram

C++
0
0
589

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

C++
0
0
570

151. Reverse Words in a String

C++
0
0
557

3. Longest Substring Without Repeating Characters (set)

C++
0
0
632

3. Longest Substring Without Repeating Characters (Brute Force)

C++
0
0
551

Right Shift By N Characters (Laicode)

C++
0
0
913

848. Shifting Letters

C++
0
0
522

848. Shifting Letters

C++
0
0
544

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

C++
0
0
583

Remove Adjacent Repeated Characters

C++
0
0
573

Remove Spaces (LaiCode)

C++
1
0
597

270. Closest Binary Search Tree Value (Wrong solution)

C++
1
0
498

700. Search in a Binary Search Tree (iterative)

C++
0
0
585

700. Search in a Binary Search Tree (recursive)

C++
0
0
578

160. Intersection of Two Linked Lists

C++
0
0
666

Insert In Sorted Linked List (LaiCode)

C++
0
0
653

147. Insertion Sort List

C++
0
0
551

147. Insertion Sort List (Wrong)

C++
0
0
533

Top K Frequent Words (LaiCode version)

C++
1
0
789

771. Jewels and Stones (unordered_set solution)

C++
0
0
542

771. Jewels and Stones

C++
0
0
556

234. Palindrome Linked List

C++
0
0
563

530 Minimum Absolute Difference in BST (Verbose)

C++
0
0
520

Postorder iterative verbose

C++
0
0
555

Inorder Traversal Iterative Verbose

C++
0
0
461

55. Jump Game

C++
0
0
551

Max Product Of Cutting Rope (LaiCode) Correct Version

C++
0
0
698

Max Product Of Cutting Rope (LaiCode)

C++
0
0
643

Longest Ascending SubArray (continuous)

C++
0
0
561

300. Longest Increasing Subsequence (continuous)

C++
1
0
519

530. Minimum Absolute Difference in BST

C++
1
0
595

203. Remove Linked List Elements

C++
0
0
516

203. Remove Linked List Elements -- version 3 recursion

C++
0
0
560

203. Remove Linked List Elements -- version 2

C++
0
0
496

203. Remove Linked List Elements

C++
1
0
652

Hash Table Implementation In C++

C++
0
0
626

22. Generate Parentheses

C++
1
0
544

784 Letter Case Permutation

C++
0
0
535

46 Permutations

C++
0
0
537

784. Letter Case Permutation

C++
1
0
496

Backtracking: Printing Binary

C++
0
0
521

53. Maximum Subarray

C++
0
0
548

125. Valid Palindrome

C++
0
0
606

207. Course Schedule

C++
0
0
610

841. Keys and Rooms

C++
0
0
537

841. Keys and Rooms

C++
0
0
572

DFS of graph

C++
0
0
501

BFS of graph

C++
0
0
561

347. Top K Frequent Elements

C++
0
0
538

102. Binary Tree Level Order Traversal

C++
0
0
583

636 Exclusive Time of Functions - rewrote

C++
0
0
572

636. Exclusive Time of Functions

C++
0
0
551

559. Maximum Depth of N-ary Tree

C++
0
0
792

872. Leaf-Similar Trees

C++
0
0
553

35. Search Insert Position

C++
0
0
509

K Smallest In Unsorted Array

C++
0
0
531

102. Binary Tree Level Order Traversal

C++
0
0
547

Get Keys In Binary Search Tree - unfinished

C++
0
0
561

Check if a given binary tree is symmetric.

C++
0
0
687

169. Tower of Hanoi

C++
0
0
770

In-order Traversal Of Binary Tree

Python
3
0
697

144. Binary Tree Preorder Traversal - optimized

Python
0
0
572

144. Binary Tree Preorder Traversal

Python
0
0
592

86. Partition List

Python
0
0
545

143. Reorder List

Python
0
0
569

Merge Two Sorted Linked Lists

Python
0
0
816

Insert In Sorted Linked List

Python
0
0
586

Linked List Cycle C++

Python
0
0
536

141. Linked List Cycle

Python
0
0
656

Middle Node Of Linked List

Python
0
0
552

Reverse Linked List

Python
0
0
614

First Occurrence

C++
0
0
523

Classical Binary Search

C++
0
0
532

Rainbow Sort

Python
0
0
594

Quick Sort

Python
0
0
723

206. Reverse Linked List : iterative

Python
0
0
599

206. Reverse Linked List - recursive

Python
0
0
925

876. Middle of the Linked List

Python
0
0
686

2. Add Two Numbers

Python
0
0
566

543. Diameter of Binary Tree

Python
0
0
637

101. Symmetric Tree

Python
0
0
563

51. N-Queens

Python
0
0
924

35. Search Insert Position

Python
0
0
585

35. Search Insert Position

Python
0
0
759

35. Search Insert Position

Python
0
0
514

658. Find K Closest Elements

Python
0
0
908

51. N-Queens - backtracking

Python
0
0
569

51. N-Queens - Solved

Python
1
0
496

51. N-Queens Brute force

Python
0
0
539

146. LRU Cache

Python
0
0
573

53. Maximum Subarray

Python
1
0
801

53. Maximum Subarray - divide and conquer

Python
2
0
766

53. Maximum Subarray - brute force

Python
1
0
1123

94. Binary Tree Inorder Traversal

Python
0
0
553

687. Longest Univalue Path

Python
2
0
929

20. Valid Parentheses

Python
0
0
732

Inorder Traversal Non-ending recursion

Python
0
0
543

94. Binary Tree Inorder Traversal

Python
1
0
883

617. Merge Two Binary Trees

Python
1
0
584