| 2018_8-11_01 |
Two Sum |
C++ |
Easy |
| 2018_8-12_02 |
Add Two Numbers |
C++ |
Medium |
| 2018_8-13_03 |
Longest Substring Without Repeating Characters |
C++ |
Medium |
| 2018_8-14_04 |
Median of Two Sorted Arrays |
Python |
Hard |
| 2018_8-15_05 |
Longest Palindromic Substring |
Python |
Medium |
| 2018_8-16_06 |
ZigZag Conversion |
Python |
Medium |
| 2018_8-17_07 |
Reverse Integer |
Python |
Easy |
| 2018_8-18_08 |
String to Integer (atoi) |
Python |
Medium |
| 2018_8-19_09 |
Palindrome Number |
Python |
Easy |
| 2018_8-20_10 |
Regular Expression Matching |
Python |
Hard |
| 2018_8-21_11 |
Container With Most Water |
Python |
Medium |
| 2018_8-22_12 |
Integer to Roman |
Python |
Medium |
| 2018_8-22_13 |
Roman to Integer |
Python |
Easy |
| 2018_8-22_14 |
Longest Common Prefix |
Python |
Easy |
| 2018_8-23_15 |
3Sum |
Python |
Medium |
| 2018_8-24_16 |
3Sum Closest |
Python |
Medium |
| 2018_8-25_17 |
Letter Combinations of a Phone Number |
Python |
Medium |
| 2018_8-26_18 |
4Sum |
Python |
Medium |
| 2018_8-27_19 |
Remove Nth Node From End of List |
Python |
Medium |
| 2018_8-28_20 |
Valid Parentheses |
Python |
Easy |
| 2018_8-29_21 |
Merge Two Sorted Lists |
Python |
Easy |
| 2018_8-29_22 |
Generate Parentheses |
Python |
Medium |
| 2018_8-29_23 |
Merge k Sorted Lists |
Python |
Hard |
| 2018_8-30_24 |
Swap Nodes in Pairs |
Python |
Medium |
| 2018_8-31_25 |
Reverse Nodes in k-Group |
Python |
Hard |
| 2018_9-01_26 |
Remove Duplicates from Sorted Array |
Python |
Easy |
| 2018_9-02_27 |
Remove Element |
Python |
Easy |
| 2018_9-03_28 |
Implement strStr() |
Python |
Easy |
| 2018_9-04_29 |
Divide Two Integers |
Python |
Medium |
| 2018_9-05_30 |
Substring with Concatenation of All Words |
Python |
Hard |
| 2018_9-06_31 |
Next Permutation |
Python |
Medium |
| 2018_9-07_32 |
Longest Valid Parentheses |
Python |
Hard |
| 2018_9-08_33 |
Search in Rotated Sorted Array |
Python |
Medium |
| 2018_9-09_34 |
Find First and Last Position of Element in Sorted Array |
Python |
Medium |
| 2018_9-10_35 |
Search Insert Position |
Python |
Easy |
| 2018_9-11_36 |
Valid Sudoku |
Python |
Medium |
| 2018_9-12_37 |
Sudoku Solver |
Python |
Hard |
| 2018_9-13_38 |
Count and Say |
Python |
Easy |
| 2018_9-14_39 |
Combination Sum |
Python |
Medium |
| 2018_9-15_40 |
Combination Sum II |
Python |
Medium |
| 2018_9-16_41 |
First Missing Positive |
Python |
Hard |
| 2018_9-17_42 |
Trapping Rain Water |
Python |
Hard |
| 2018_9-18_43 |
Multiply Strings |
C++ |
Medium |
| 2018_9-19_44 |
Wildcard Matching |
Python |
Hard |
| 2018_9-20_45 |
Jump Game |
Python |
Medium |
| 2018_9-20_46 |
Jump Game II |
Python |
Hard |
| 2018_9-21_47 |
Permutations |
Python |
Medium |
| 2018_9-21_48 |
Permutations II |
Python |
Medium |
| 2018_9-22_49 |
Rotate Image |
Java |
Medium |
| 2018_9-23_50 |
Group Anagrams |
Java |
Medium |
| 2018_9-23_51 |
Pow(x, n) |
Java |
Medium |
| 2018_9-24_52 |
N-Queens |
Java |
Hard |
| 2018_9-25_53 |
N-Queens II |
Java |
Hard |
| 2018_9-26_54 |
Maximum Subarray |
Java |
Easy |
| 2018_9-27_55 |
Spiral Matrix |
Java |
Medium |
| 2018_9-28_56 |
Merge Intervals |
Java |
Medium |
| 2018_9-29_57 |
Insert Interval |
Java |
Hard |
| 2018_9-30_58 |
Length of Last Word |
Java |
Easy |
| 2018_9-30_59 |
Spiral Matrix II |
Java |
Medium |
| 2018_10-01_60 |
Permutation Sequence |
Java |
Medium |
| 2018_10-02_61 |
Rotate List |
Java |
Medium |
| 2018_10-03_62 |
Unique Paths |
Java |
Medium |
| 2018_10-03_63 |
Unique Paths II |
Java |
Medium |
| 2018_10-04_64 |
Minimum Path Sum |
Java |
Medium |
| 2018_10-04_65 |
Valid Number |
Java |
Hard |
| 2018_10-04_66 |
Plus One |
Java |
Easy |
| 2018_10-04_67 |
Add Binary |
Java |
Easy |
| 2018_10-05_68 |
Text Justification |
Java |
Hard |
| 2018_10-06_69 |
Sqrt(x) |
Java |
Easy |
| 2018_10-06_70 |
Climbing Stairs |
Java |
Easy |
| 2018_10-07_71 |
Simplify Path |
Java |
Medium |
| 2018_10-08_72 |
Edit Distance |
Java |
Hard |
| 2018_10-09_73 |
Set Matrix Zeroes |
Java |
Medium |
| 2018_10-10_74 |
Search a 2D Matrix |
Java |
Medium |
| 2018_10-11_75 |
Sort Colors |
Java |
Medium |
| 2018_10-12_76 |
Minimum Window Substring |
Java |
Hard |
| 2018_10-13_77 |
Combinations |
Java |
Medium |
| 2018_10-13_77 |
Combinations |
Python |
Medium |
| 2018_10-14_78 |
Subsets |
Java |
Medium |
| 2018_10-14_78 |
Subsets |
python |
Medium |
| 2018_10-15_79 |
Word Search |
Java |
Medium |
| 2018_10-16_80 |
Remove Duplicates from Sorted Array II |
Java |
Medium |
| 2018_10-17_81 |
Search in Rotated Sorted Array II |
Java |
Medium |
| 2018_10-18_82 |
Remove Duplicates from Sorted List II |
Java |
Medium |
| 2018_10-19_83 |
Remove Duplicates from Sorted List |
Java |
Easy |
| 2018_10-20_84 |
Largest Rectangle in Histogram |
Java |
Hard |
| 2018_10-21_85 |
Maximal Rectangle |
Java |
Hard |
| 2018_10-22_86 |
Partition List |
Java |
Medium |
| 2018_10-23_87 |
Scramble String |
Java |
Hard |
| 2018_10-24_88 |
Merge Sorted Array |
Java |
Easy |
| 2018_10-25_89 |
Gray Code |
Java |
Medium |
| 2018_10-26_90 |
Subsets II |
Java |
Medium |
| 2018_10-27_91 |
Decode Ways |
Java |
Medium |
| 2018_10-28_92 |
Reverse Linked List II |
Java |
Medium |
| 2018_10-29_93 |
Restore IP Addresses |
Java |
Medium |
| 2018_10-30_94 |
Binary Tree Inorder Traversal |
Java |
Medium |
| 2018_10-31_95 |
Unique Binary Search Trees |
Java |
Medium |
| 2018_11-01_96 |
Unique Binary Search Trees II |
Java |
Medium |
| 2018_11-02_97 |
Interleaving String |
Java |
Hard |
| 2018_11-03_98 |
Validate Binary Search Tree |
Java |
Medium |
| 2018_11-03_99 |
Recover Binary Search Tree |
Java |
Hard |
| 2018_11-03_100 |
Same Tree |
Java |
Easy |
| 2018_11-04_101 |
Symmetric Tree |
Java |
Easy |
| 2018_11-05_102 |
Binary Tree Level Order Traversal |
Java |
Medium |
| 2018_11-06_103 |
Binary Tree Zigzag Level Order Traversal |
Java |
Medium |
| 2018_11-07_104 |
Maximum Depth of Binary Tree |
Java |
Easy |
| 2018_11-08_105 |
Construct Binary Tree from Preorder and Inorder Traversal |
Java |
Medium |
| 2018_11-09_106 |
Construct Binary Tree from Inorder and Postorder Traversal |
Java |
Medium |
| 2018_11-10_107 |
Binary Tree Level Order Traversal II |
Java |
Easy |
| 2018_11-11_108 |
Convert Sorted Array to Binary Search Tree |
Java |
Easy |
| 2018_11-12_109 |
Convert Sorted List to Binary Search Tree |
Java |
Medium |
| 2018_11-13_110 |
Balanced Binary Tree |
Java |
Easy |
| 2018_11-14_111 |
Minimum Depth of Binary Tree |
Java |
Easy |
| 2018_11-15_112 |
Path Sum |
Java |
Easy |
| 2018_11-16_113 |
Path Sum II |
Java |
Medium |
| 2018_11-17_114 |
Flatten Binary Tree to Linked List |
Java |
Medium |
| 2018_11-18_115 |
Distinct Subsequences |
Java |
Hard |
| 2018_11-19_116 |
Populating Next Right Pointers in Each Node |
Java |
Medium |
| 2018_11-20_117 |
Populating Next Right Pointers in Each Node II |
Java |
Medium |
| 2018_11-21_118 |
Pascal’s Triangle |
Java |
Easy |
| 2018_11-22_119 |
Pascal’s Triangle II |
Java |
Easy |
| 2018_11-23_120 |
Triangle |
Java |
Medium |
| 2018_11-24_121 |
Best Time to Buy and Sell Stock |
Java |
Easy |
| 2018_11-25_122 |
Best Time to Buy and Sell Stock II |
Java |
Easy |
| 2018_11-26_123 |
Best Time to Buy and Sell Stock III |
Java |
Hard |
| 2018_11-27_124 |
Binary Tree Maximum Path Sum |
Java |
Hard |
| 2018_11-28_125 |
Valid Palindrome |
Java |
Easy |
| 2018_11-29_126 |
Word Ladder |
Java |
Medium |
| 2018_11-30_127 |
Word Ladder II |
Java |
Hard |
| 2018_12-01_128 |
Longest Consecutive Sequence |
Java |
Hard |
| 2018_12-02_129 |
Sum Root to Leaf Numbers |
Java |
Medium |
| 2018_12-03_130 |
Surrounded Regions |
Java |
Medium |
| 2018_12-04_131 |
Palindrome Partitioning |
Java |
Medium |
| 2018_12-05_132 |
Palindrome Partitioning II |
Java |
Hard |
| 2018_12-06_133 |
Clone Graph |
Java |
Medium |
| 2018_12-07_134 |
Gas Station |
Java |
Medium |
| 2018_12-08_135 |
Candy |
Java |
Hard |
| 2018_12-09_136 |
Single Number |
Java |
Easy |
| 2018_12-10_137 |
Single Number II |
Java |
Medium |
| 2018_12-11_138 |
Copy List with Random Pointer |
Java |
Medium |
| 2018_12-12_139 |
Word Break |
Java |
Medium |
| 2018_12-13_140 |
Word Break II |
Java |
Hard |
| 2018_12-14_141 |
Linked List Cycle |
Java |
Easy |
| 2018_12-15_142 |
Linked List Cycle II |
Java |
Medium |
| 2018_12-16_143 |
Reorder List |
Java |
Medium |
| 2018_12-17_144 |
Binary Tree Preorder Traversal |
Java |
Medium |
| 2018_12-18_145 |
Binary Tree Postorder Traversal |
Java |
Hard |
| 2018_12-19_146 |
LRU Cache |
Java |
Hard |
| 2018_12-20_147 |
Insertion Sort List |
Java |
Medium |
| 2018_12-21_148 |
Sort List |
Java |
Medium |
| 2018_12-22_149 |
Max Points on a Line |
Java |
Hard |
| 2018_12-23_150 |
Evaluate Reverse Polish Notation |
Java |
Medium |
| 2018_12-23_151 |
Reverse Words in a String |
Java |
Medium |
| 2018_12-24_152 |
Maximum Product Subarray |
Java |
Medium |
| 2018_12-25_153 |
Find Minimum in Rotated Sorted Array |
Java |
Medium |
| 2018_12-26_154 |
Find Minimum in Rotated Sorted Array II |
Java |
Hard |
| 2018_12-27_155 |
Min Stack |
Java |
Easy |
| 2018_12-28_156 |
Intersection of Two Linked Lists |
Java |
Easy |
| 2018_12-29_157 |
Find Peak Element |
Java |
Medium |
| 2018_12-30_158 |
Maximum Gap |
Java |
Hard |
| 2018_12-31_159 |
Compare Version Numbers |
Java |
Medium |
| 2019_01-01_160 |
Fraction to Recurring Decimal |
Java |
Medium |
| 2019_01-02_161 |
Two Sum II - Input array is sorted |
Java |
Easy |
| 2019_01-03_162 |
Excel Sheet Column Title |
Java |
Easy |
| 2019_01-04_163 |
Majority Element |
Java |
Easy |
| 2019_01-05_164 |
Excel Sheet Column Number |
Java |
Easy |
| 2019_01-06_165 |
Factorial Trailing Zeroes |
Java |
Easy |
| 2019_01-07_166 |
Binary Search Tree Iterator |
Java |
Medium |
| 2019_01-08_167 |
Dungeon Game |
Java |
Hard |
| 2019_01-09_168 |
Combine Two Tables |
MySQL |
Easy |
| 2019_01-10_169 |
Second Highest Salary |
MySQL |
Easy |
| 2019_01-11_170 |
Nth Highest Salary |
MySQL |
Medium |
| 2019_01-12_171 |
Largest Number |
Java |
Medium |
| 2019_01-13_172 |
Repeated DNA Sequences |
Java |
Medium |
| 2019_01-14_173 |
Rotate Array |
Java |
Easy |
| 2019_01-15_174 |
Rank Scores |
MySQL |
Medium |
| 2019_01-16_175 |
Consecutive Numbers |
MySQL |
Medium |
| 2019_01-17_176 |
Employees Earning More Than Their Managers |
MySQL |
Easy |
| 2019_01-17_177 |
Duplicate Emails |
MySQL |
Easy |
| 2019_01-17_178 |
Customers Who Never Order |
MySQL |
Easy |
| 2019_01-17_179 |
Department Highest Salary |
MySQL |
Medium |
| 2019_01-17_180 |
Department Top Three Salaries |
MySQL |
Hard |
| 2019_01-18_181 |
Best Time to Buy and Sell Stock IV |
Java |
Hard |
| 2019_01-19_182 |
Reverse Bits |
Java |
Easy |
| 2019_01-20_183 |
Number of 1 Bits |
Java |
Easy |
| 2019_01-21_184 |
Word Frequency |
Bash |
Medium |
| 2019_01-22_185 |
Valid Phone Numbers |
Bash |
Easy |
| 2019_01-23_186 |
Transpose File |
Bash |
Medium |
| 2019_01-24_187 |
Tenth Line |
Bash |
Easy |
| 2019_01-25_188 |
Delete Duplicate Emails |
MySQL |
Easy |
| 2019_01-25_189 |
Rising Temperature |
MySQL |
Easy |
| 2019_01-25_190 |
House Robber |
Java |
Easy |
| 2019_01-26_191 |
Binary Tree Right Side View |
Java |
Medium |
| 2019_01-27_192 |
Number of Islands |
Java |
Medium |
| 2019_01-28_193 |
Bitwise AND of Numbers Range |
Python |
Medium |
| 2019_01-29_194 |
Happy Number |
Python |
Easy |
| 2019_01-30_195 |
Remove Linked List Elements |
Python |
Easy |
| 2019_01-31_196 |
Count Primes |
Python |
Easy |
| 2019_02-01_197 |
Isomorphic Strings |
Python |
Easy |
| 2019_02-02_198 |
Reverse Linked List |
Python |
Easy |
| 2019_02-03_199 |
Course Schedule |
Python |
Medium |
| 2019_02-04_200 |
Implement Trie (Prefix Tree) |
Python |
Medium |
| 2019_02-05_201 |
Minimum Size Subarray Sum |
Python |
Medium |
| 2019_02-06_202 |
Course Schedule II |
Python |
Medium |
| 2019_02-07_203 |
Add and Search Word - Data structure design |
Python |
Medium |
| 2019_02-08_204 |
Word Search II |
Python |
Hard |
| 2019_02-09_205 |
House Robber II |
Python |
Medium |
| 2019_02-10_206 |
Shortest Palindrome |
Python |
Hard |
| 2019_02-11_207 |
Kth Largest Element in an Array |
Python |
Medium |
| 2019_02-12_208 |
Combination Sum III |
Python |
Medium |
| 2019_02-13_209 |
Contains Duplicate |
Python |
Easy |
| 2019_02-14_210 |
The Skyline Problem |
Python |
Hard |
| 2019_02-15_211 |
Contains Duplicate II |
Python |
Easy |
| 2019_02-16_212 |
Contains Duplicate III |
Python |
Medium |
| 2019_02-17_213 |
Maximal Square |
Python |
Medium |
| 2019_02-18_214 |
Count Complete Tree Nodes |
Python |
Medium |
| 2019_02-19_215 |
Rectangle Area |
Python |
Medium |
| 2019_02-20_216 |
Basic Calculator |
Python |
Hard |
| 2019_02-21_217 |
Implement Stack using Queues |
Python |
Easy |
| 2019_02-22_218 |
Invert Binary Tree |
Python |
Easy |
| 2019_02-23_219 |
Basic Calculator II |
Python |
Medium |
| 2019_02-24_220 |
Summary Ranges |
Python |
Medium |
| 2019_02-25_221 |
Majority Element II |
Python |
Medium |
| 2019_02-26_222 |
Kth Smallest Element in a BST |
Python |
Medium |
| 2019_02-27_223 |
Power of Two |
Python |
Easy |
| 2019_02-28_224 |
Implement Queue using Stacks |
Python |
Easy |
| 2019_03-01_225 |
Number of Digit One |
Python |
Hard |
| 2019_03-02_226 |
Palindrome Linked List |
Python |
Easy |
| 2019_03-03_227 |
Lowest Common Ancestor of a Binary Search Tree |
Python |
Easy |
| 2019_03-04_228 |
Lowest Common Ancestor of a Binary Tree |
Python |
Medium |
| 2019_03-05_229 |
Delete Node in a Linked List |
Python |
Easy |
| 2019_03-06_230 |
Product of Array Except Self |
Python |
Medium |
| 2019_03-07_231 |
Sliding Window Maximum |
Python |
Hard |
| 2019_03-08_232 |
Search a 2D Matrix II |
Python |
Medium |
| 2019_03-09_233 |
Different Ways to Add Parentheses |
Python |
Medium |
| 2019_03-10_234 |
Valid Anagram |
Python |
Easy |
| 2019_03-11_235 |
Binary Tree Paths |
Python |
Easy |
| 2019_03-12_236 |
Add Digits |
Python |
Easy |
| 2019_03-13_237 |
Single Number III |
Python |
Medium |
| 2019_03-14_238 |
Trips and Users |
MySQL |
Hard |
| 2019_03-15_239 |
Ugly Number |
Python |
Easy |
| 2019_03-16_240 |
Ugly Number II |
Python |
Medium |
| 2019_03-17_241 |
Missing Number |
Python |
Easy |
| 2019_03-18_242 |
Integer to English Words |
Python |
Hard |
| 2019_03-19_243 |
H-Index |
Python |
Medium |
| 2019_03-20_244 |
H-Index II |
Python |
Medium |
| 2019_03-21_245 |
First Bad Version |
Python |
Easy |
| 2019_03-22_246 |
Perfect Squares |
Python |
Medium |
| 2019_03-23_247 |
Expression Add Operators |
Python |
Hard |
| 2019_03-24_248 |
Move Zeroes |
Python |
Easy |
| 2019_03-25_249 |
Peeking Iterator |
Python |
Medium |
| 2019_03-26_250 |
Find the Duplicate Number |
Python |
Medium |
| 2019_03-27_251 |
Game of Life |
Python |
Medium |
| 2019_03-28_252 |
Word Pattern |
Python |
Easy |
| 2019_03-29_253 |
Nim Game |
Python |
Easy |
| 2019_03-30_254 |
Find Median from Data Stream |
Python |
Hard |
| 2019_03-31_255 |
Serialize and Deserialize Binary Tree |
Python |
Hard |
| 2019_04-01_256 |
Bulls and Cows |
Python |
Medium |
| 2019_04-02_257 |
Longest Increasing Subsequence |
Python |
Medium |
| 2019_04-02_257 |
Remove Invalid Parentheses |
Python |
Hard |
| 2019_04-03_258 |
Range Sum Query - Immutable |
Python |
Easy |
| 2019_04-04_259 |
Range Sum Query 2D - Immutable |
Python |
Medium |
| 2019_04-05_260 |
Additive Number |
Python |
Medium |
| 2019_04-06_261 |
Range Sum Query - Mutable |
Python |
Medium |
| 2019_04-07_262 |
Best Time to Buy and Sell Stock with Cooldown |
Python |
Medium |
| 2019_04-08_263 |
Minimum Height Trees |
Python |
Medium |
| 2019_04-09_264 |
Burst Balloons |
Python |
Hard |
| 2019_04-10_265 |
Super Ugly Number |
Python |
Medium |
| 2019_04-11_266 |
Count of Smaller Numbers After Self |
Python |
Hard |
| 2019_04-12_267 |
Remove Duplicate Letters |
Python |
Hard |
| 2019_04-13_268 |
Maximum Product of Word Lengths |
Python |
Medium |
| 2019_04-14_269 |
Bulb Switcher |
Python |
Medium |
| 2019_04-15_270 |
Create Maximum Number |
Python |
Hard |
| 2019_04-16_271 |
Coin Change |
Python |
Medium |
| 2019_04-17_272 |
Wiggle Sort II |
Python |
Medium |
| 2019_04-18_273 |
Power of Three |
Python |
Easy |
| 2019_04-19_274 |
Count of Range Sum |
Python |
Hard |
| 2019_04-20_275 |
Odd Even Linked List |
Python |
Medium |
| 2019_04-21_276 |
Longest Increasing Path in a Matrix |
Python |
Hard |
| 2019_04-22_277 |
Patching Array |
Python |
Hard |
| 2019_04-23_278 |
Verify Preorder Serialization of a Binary Tree |
Python |
Medium |
| 2019_04-24_279 |
Reconstruct Itinerary |
Python |
Medium |
| 2019_04-25_280 |
Increasing Triplet Subsequence |
Python |
Medium |
| 2019_04-26_281 |
Self Crossing |
Python |
Hard |
| 2019_04-27_282 |
Palindrome Pairs |
Python |
Hard |
| 2019_04-28_283 |
House Robber III |
Python |
Medium |
| 2019_04-29_284 |
Counting Bits |
Python |
Medium |
| 2019_04-30_285 |
Flatten Nested List Iterator |
Python |
Medium |
| 2019_05-01_286 |
Power of Four |
Python |
Easy |
| 2019_05-02_287 |
Integer Break |
Python |
Medium |
| 2019_05-03_288 |
Reverse String |
Python |
Easy |
| 2019_05-04_289 |
Reverse Vowels of a String |
Python |
Easy |
| 2019_05-05_290 |
Top K Frequent Elements |
Python |
Medium |
| 2019_05-06_291 |
Intersection of Two Arrays |
Python |
Easy |
| 2019_05-07_292 |
Intersection of Two Arrays II |
Python |
Easy |
| 2019_05-08_293 |
Data Stream as Disjoint Intervals |
Python |
Hard |
| 2019_05-09_294 |
Russian Doll Envelopes |
Python |
Hard |
| 2019_05-10_295 |
Design Twitter |
Python |
Medium |
| 2019_05-11_296 |
Count Numbers with Unique Digits |
Python |
Medium |
| 2019_05-12_297 |
Max Sum of Rectangle No Larger Than K |
Python |
Hard |
| 2019_05-13_298 |
Water and Jug Problem |
Python |
Medium |
| 2019_05-14_299 |
Valid Perfect Square |
Python |
Easy |
| 2019_05-15_300 |
Largest Divisible Subset |
Python |
Medium |
| 2019_05-16_301 |
Sum of Two Integers |
Python |
Easy |
| 2019_05-17_302 |
Super Pow |
Python |
Medium |
| 2019_05-18_303 |
Find K Pairs with Smallest Sums |
Python |
Medium |
| 2019_05-19_304 |
Guess Number Higher or Lower |
Python |
Easy |
| 2019_05-20_305 |
Guess Number Higher or Lower II |
Python |
Medium |
| 2019_05-21_306 |
Wiggle Subsequence |
Python |
Medium |
| 2019_05-22_307 |
Combination Sum IV |
Python |
Medium |
| 2019_05-23_308 |
Kth Smallest Element in a Sorted Matrix |
Python |
Medium |
| 2019_05-24_309 |
Insert Delete GetRandom O(1) |
Python |
Medium |
| 2019_05-25_310 |
Insert Delete GetRandom O(1) - Duplicates allowed |
Python |
Hard |
| 2019_05-26_311 |
Linked List Random Node |
Python |
Medium |
| 2019_05-27_312 |
Ransom Note |
Python |
Easy |
| 2019_05-28_313 |
Shuffle an Array |
Python |
Medium |
| 2019_05-29_314 |
Mini Parser |
Python |
Medium |
| 2019_05-30_315 |
Lexicographical Numbers |
Python |
Medium |
| 2019_05-31_316 |
First Unique Character in a String |
Python |
Easy |
| 2019_06-01_317 |
Longest Absolute File Path |
Python |
Medium |
| 2019_06-02_318 |
Find the Difference |
Python |
Easy |
| 2019_06-03_319 |
Elimination Game |
Python |
Medium |
| 2019_06-04_320 |
Perfect Rectangle |
Python |
Hard |
| 2019_06-05_321 |
Is Subsequence |
Python |
Medium |
| 2019_06-06_322 |
UTF-8 Validation |
Python |
Medium |
| 2019_06-07_323 |
Decode String |
Python |
Medium |
| 2019_06-08_324 |
Longest Substring with At Least K Repeating Characters |
Python |
Medium |
| 2019_06-09_325 |
Rotate Function |
Python |
Medium |
| 2019_06-10_326 |
Integer Replacement |
Python |
Medium |
| 2019_06-11_327 |
Random Pick Index |
Python |
Medium |
| 2019_06-12_328 |
Evaluate Division |
Python |
Medium |
| 2019_06-13_329 |
Nth Digit |
Python |
Easy |
| 2019_06-14_330 |
Binary Watch |
Python |
Easy |
| 2019_06-15_331 |
Remove K Digits |
Python |
Medium |
| 2019_06-16_332 |
Frog Jump |
Python |
Hard |
| 2019_06-17_333 |
Sum of Left Leaves |
Python |
Easy |
| 2019_06-18_334 |
Convert a Number to Hexadecimal |
Python |
Easy |
| 2019_06-19_335 |
Queue Reconstruction by Height |
Python |
Medium |
| 2019_06-20_336 |
Trapping Rain Water II |
Python |
Hard |
| 2019_06-21_337 |
Longest Palindrome |
Python |
Easy |
| 2019_06-22_338 |
Split Array Largest Sum |
Python |
Hard |
| 2019_06-23_339 |
Fizz Buzz |
Python |
Easy |
| 2019_06-24_340 |
Arithmetic Slices |
Python |
Medium |
| 2019_06-25_341 |
Third Maximum Number |
Python |
Easy |
| 2019_06-26_342 |
Add Strings |
Python |
Easy |
| 2019_06-27_343 |
Partition Equal Subset Sum |
Python |
Medium |
| 2019_06-28_344 |
Pacific Atlantic Water Flow |
Python |
Medium |
| 2019_06-29_345 |
Battleships in a Board |
Python |
Medium |
| 2019_06-30_346 |
Strong Password Checker |
Python |
Hard |
| 2019_07-01_347 |
Maximum XOR of Two Numbers in an Array |
Python |
Medium |
| 2019_07-02_348 |
Reconstruct Original Digits from English |
Python |
Medium |
| 2019_07-03_349 |
Longest Repeating Character Replacement |
Python |
Medium |
| 2019_07-04_350 |
Construct Quad Tree |
Python |
Medium |
| 2019_07-05_351 |
N-ary Tree Level Order Traversal |
Python |
Easy |
| 2019_07-06_352 |
Flatten a Multilevel Doubly Linked List |
Python |
Medium |
| 2019_07-07_353 |
All O`one Data Structure |
Python |
Hard |
| 2019_07-08_354 |
Minimum Genetic Mutation |
Python |
Medium |
| 2019_07-09_355 |
Number of Segments in a String |
Python |
Easy |
| 2019_07-10_356 |
Non-overlapping Intervals |
Python |
Medium |
| 2019_07-11_357 |
Find Right Interval |
Python |
Medium |
| 2019_07-12_358 |
Path Sum III |
Python |
Easy |
| 2019_07-13_359 |
Find All Anagrams in a String |
Python |
Easy |
| 2019_07-14_360 |
K-th Smallest in Lexicographical Order |
Python |
Hard |
| 2019_07-15_361 |
Arranging Coins |
Python |
Easy |
| 2019_07-16_362 |
Find All Duplicates in an Array |
Python |
Medium |
| 2019_07-17_363 |
String Compression |
Python |
Easy |
| 2019_07-18_364 |
Add Two Numbers II |
Python |
Medium |
| 2019_07-19_365 |
Arithmetic Slices II - Subsequence |
Python |
Hard |
| 2019_07-20_366 |
Number of Boomerangs |
Python |
Easy |
| 2019_07-21_367 |
Find All Numbers Disappeared in an Array |
Python |
Easy |
| 2019_07-22_368 |
Serialize and Deserialize BST |
Python |
Medium |
| 2019_07-23_369 |
Delete Node in a BST |
Python |
Medium |
| 2019_07-24_370 |
Sort Characters By Frequency |
Python |
Medium |
| 2019_07-25_371 |
Minimum Number of Arrows to Burst Balloons |
Python |
Medium |
| 2019_07-26_372 |
Minimum Moves to Equal Array Elements |
Python |
Easy |
| 2019_07-27_373 |
4Sum II |
Python |
Medium |
| 2019_07-28_374 |
Assign Cookies |
Python |
Easy |
| 2019_07-29_375 |
132 Pattern |
Python |
Medium |
| 2019_07-30_376 |
Circular Array Loop |
Python |
Medium |
