GitHub - YifangSun/LeetCode: My solution code for problems on Leetcode.

Name		Name	Last commit message	Last commit date
Latest commit History 226 Commits
.gitattributes		.gitattributes
1. Two Sum		1. Two Sum
10. Regular Expression Matching		10. Regular Expression Matching
1003. Check If Word Is Valid After Substitutions		1003. Check If Word Is Valid After Substitutions
102. Binary Tree Level Order Traversal		102. Binary Tree Level Order Traversal
103. Binary Tree Zigzag Level Order Traversal		103. Binary Tree Zigzag Level Order Traversal
104. Maximum Depth of Binary Tree		104. Maximum Depth of Binary Tree
105. Construct Binary Tree from Preorder and Inorder Traversal		105. Construct Binary Tree from Preorder and Inorder Traversal
1051. Height Checker		1051. Height Checker
106. Construct Binary Tree from Inorder and Postorder Traversal		106. Construct Binary Tree from Inorder and Postorder Traversal
107. Binary Tree Level Order Traversal II		107. Binary Tree Level Order Traversal II
108. Convert Sorted Array to Binary Search Tree		108. Convert Sorted Array to Binary Search Tree
1089. Duplicate Zeros		1089. Duplicate Zeros
109. Convert Sorted List to Binary Search Tree		109. Convert Sorted List to Binary Search Tree
1091. Shortest Path in Binary Matrix		1091. Shortest Path in Binary Matrix
1093. Statistics from a Large Sample		1093. Statistics from a Large Sample
11. Container With Most Water		11. Container With Most Water
111. Minimum Depth of Binary Tree		111. Minimum Depth of Binary Tree
1114. Print in Order		1114. Print in Order
1115. Print FooBar Alternately		1115. Print FooBar Alternately
1116. Print Zero Even Odd		1116. Print Zero Even Odd
1117. Building H2O		1117. Building H2O
112. Path Sum		112. Path Sum
1129. Shortest Path with Alternating Colors		1129. Shortest Path with Alternating Colors
113. Path Sum II		113. Path Sum II
1144. Decrease Elements To Make Array Zigzag		1144. Decrease Elements To Make Array Zigzag
1162. As Far from Land as Possible		1162. As Far from Land as Possible
1175. Prime Arrangements		1175. Prime Arrangements
1176. Diet Plan Performance		1176. Diet Plan Performance
1195. Fizz Buzz Multithreaded		1195. Fizz Buzz Multithreaded
12. Integer to Roman		12. Integer to Roman
1200. Minimum Absolute Difference		1200. Minimum Absolute Difference
1201. Ugly Number III		1201. Ugly Number III
1206. Design Skiplist		1206. Design Skiplist
1207. Unique Number of Occurrences		1207. Unique Number of Occurrences
1208. Get Equal Substrings Within Budget		1208. Get Equal Substrings Within Budget
1209. Remove All Adjacent Duplicates in String II		1209. Remove All Adjacent Duplicates in String II
1221. Split a String in Balanced Strings		1221. Split a String in Balanced Strings
1222. Queens That Can Attack the King		1222. Queens That Can Attack the King
1224. Maximum Equal Frequency		1224. Maximum Equal Frequency
1226. The Dining Philosophers		1226. The Dining Philosophers
1228. Missing Number In Arithmetic Progression		1228. Missing Number In Arithmetic Progression
1232. Check If It Is a Straight Line		1232. Check If It Is a Straight Line
1233. Remove Sub-Folders from the Filesystem		1233. Remove Sub-Folders from the Filesystem
1234. Replace the Substring for Balanced String		1234. Replace the Substring for Balanced String
1235. Maximum Profit in Job Scheduling		1235. Maximum Profit in Job Scheduling
1237. Find Positive Integer Solution for a Given Equation		1237. Find Positive Integer Solution for a Given Equation
1238. Circular Permutation in Binary Representation		1238. Circular Permutation in Binary Representation
1239. Maximum Length of a Concatenated String with Unique Characters		1239. Maximum Length of a Concatenated String with Unique Characters
124. Binary Tree Maximum Path Sum		124. Binary Tree Maximum Path Sum
1243. Array Transformation		1243. Array Transformation
1244. Design A Leaderboard		1244. Design A Leaderboard
1247. Minimum Swaps to Make Strings Equal.java		1247. Minimum Swaps to Make Strings Equal.java
1248. Count Number of Nice Subarrays		1248. Count Number of Nice Subarrays
1250. Check If It Is a Good Array		1250. Check If It Is a Good Array
1252. Cells with Odd Values in a Matrix		1252. Cells with Odd Values in a Matrix
1253. Reconstruct a 2-Row Binary Matrix.java		1253. Reconstruct a 2-Row Binary Matrix.java
1254. Number of Closed Islands		1254. Number of Closed Islands
1255. Maximum Score Words Formed by Letters		1255. Maximum Score Words Formed by Letters
1256. Encode Number		1256. Encode Number
1257. Smallest Common Region		1257. Smallest Common Region
126. Word Ladder II		126. Word Ladder II
1260. Shift 2D Grid		1260. Shift 2D Grid
1261. Find Elements in a Contaminated Binary Tree		1261. Find Elements in a Contaminated Binary Tree
1266. Minimum Time Visiting All Points		1266. Minimum Time Visiting All Points
1267. Count Servers that Communicate		1267. Count Servers that Communicate
1268. Search Suggestions System		1268. Search Suggestions System
1268. Search Suggestions System.java		1268. Search Suggestions System.java
127. Word Ladder		127. Word Ladder
1273. Delete Tree Nodes		1273. Delete Tree Nodes
1275. Find Winner on a Tic Tac Toe Game		1275. Find Winner on a Tic Tac Toe Game
1276. Number of Burgers with No Waste of Ingredients		1276. Number of Burgers with No Waste of Ingredients
128. Longest Consecutive Sequence		128. Longest Consecutive Sequence
1281. Subtract the Product and Sum of Digits of an Integer		1281. Subtract the Product and Sum of Digits of an Integer
1282. Group the People Given the Group Size They Belong To		1282. Group the People Given the Group Size They Belong To
1283. Find the Smallest Divisor Given a Threshold		1283. Find the Smallest Divisor Given a Threshold
1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix		1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
1287. Element Appearing More Than 25% In Sorted Array.java		1287. Element Appearing More Than 25% In Sorted Array.java
1288. Remove Covered Intervals		1288. Remove Covered Intervals
129. Sum Root to Leaf Numbers		129. Sum Root to Leaf Numbers
1290. Convert Binary Number in a Linked List to Integer		1290. Convert Binary Number in a Linked List to Integer
1291. Sequential Digits		1291. Sequential Digits
1296. Divide Array in Sets of K Consecutive Numbers		1296. Divide Array in Sets of K Consecutive Numbers
130. Surrounded Regions		130. Surrounded Regions
1305. All Elements in Two Binary Search Trees		1305. All Elements in Two Binary Search Trees
133. Clone Graph		133. Clone Graph
135. Candy		135. Candy
138. Copy List with Random Pointer		138. Copy List with Random Pointer
1381. Design a Stack With Increment Operation		1381. Design a Stack With Increment Operation
139. Word Break		139. Word Break
14. Longest Common Prefix		14. Longest Common Prefix
1408. String Matching in an Array		1408. String Matching in an Array
141. Linked List Cycle		141. Linked List Cycle
142. Linked List Cycle II		142. Linked List Cycle II
1436. Destination City		1436. Destination City
1437. Check If All 1's Are at Least Length K Places Away		1437. Check If All 1's Are at Least Length K Places Away
146. LRU Cache		146. LRU Cache
1476. Subrectangle Queries		1476. Subrectangle Queries
1477. Find Two Non-overlapping Sub-arrays Each With Target Sum		1477. Find Two Non-overlapping Sub-arrays Each With Target Sum
15. 3Sum		15. 3Sum

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