Skip to content

Latest commit

 

History

History
326 lines (314 loc) · 60.3 KB

readme.md

File metadata and controls

326 lines (314 loc) · 60.3 KB

LeetCode Solutions by illuz

Updating....

My stupid How to LeetCode.

This is my leetcode solution folder. :)
Language: C++/Java/Python/Sql/Shell Script

If there was something wrong, can contact me at iilluzen in google's email.

Links:

Leetcode Algorithms Problems
Leetcode Database Problems
Leetcode Shell Problems

Problems

There are 296 problems (43 problems for a fee).

I have solved 221 / 253 problems.=w=

# Problems Solutions Note
001 Two Sum C++ Java Python    Note Here
002 Add Two Numbers C++ Java Python    Note Here
003 Longest Substring Without Repeati... C++ Java Python    Note Here
004 Median of Two Sorted Arrays C++ Java Python    Note Here
005 Longest Palindromic Substring C++ Java Python    Note Here
006 ZigZag Conversion C++ Java Python    Note Here
007 Reverse Integer C++ Java Python    Note Here
008 String to Integer C++ Java Python    Note Here
009 Palindrome Number C++ Java Python    Note Here
010 Regular Expression Matching C++ Java Python    Note Here
011 Container With Most Water C++ Java Python    Note Here
012 Integer to Roman C++ Java Python    Note Here
013 Roman to Integer C++ Java Python    Note Here
014 Longest Common Prefix C++ Java Python    Note Here
015 3Sum C++ Java Python    Note Here
016 3Sum Closest C++ Java Python    Note Here
017 Letter Combinations of a Phone Number C++ Java Python    Note Here
018 4Sum C++ Java Python    Note Here
019 Remove Nth Node From End of List    C++ Python    Note Here
020 Valid Parentheses C++ Java Python    Note Here
021 Merge Two Sorted Lists    C++ Python    Note Here
022 Generate Parentheses C++ Java Python    Note Here
023 Merge k Sorted Lists C++ Java Python    Note Here
024 Swap Nodes in Pairs    C++ Python    Note Here
025 Reverse Nodes in k-Group      C++ Java    Note Here
026 Remove Duplicates from Sorted Array           C++    Note Here
027 Remove Element           C++    Note Here
028 Implement strStr()    C++ Python    Note Here
029 Divide Two Integers    C++ Python    Note Here
030 Substring with Concatenation of A...      C++ Java    Note Here
031 Next Permutation    C++ Python    Note Here
032 Longest Valid Parentheses           C++    Note Here
033 Search in Rotated Sorted Array           C++    Note Here
034 Search for a Range      C++ Java    Note Here
035 Search Insert Position           C++    Note Here
036 Valid Sudoku           C++    Note Here
037 Sudoku Solver           C++    Note Here
038 Count and Say    C++ Python    Note Here
039 Combination Sum           C++    Note Here
040 Combination Sum II           C++    Note Here
041 First Missing Positive           C++ Coming soon
042 Trapping Rain Water           C++ Coming soon
043 Multiply Strings           C++ Coming soon
044 Wildcard Matching           C++ Coming soon
045 Jump Game II           C++ Coming soon
046 Permutations           C++ Coming soon
047 Permutations II           C++ Coming soon
048 Rotate Image           C++ Coming soon
049 Anagrams           C++ Coming soon
050 Pow(x, n)           C++ Coming soon
051 N-Queens C++ Java Python Coming soon
052 N-Queens II C++ Java Python Coming soon
053 Maximum Subarray           C++ Coming soon
054 Spiral Matrix           C++ Coming soon
055 Jump Game           C++ Coming soon
056 Merge Intervals           C++ Coming soon
057 Insert Interval           C++ Coming soon
058 Length of Last Word           C++ Coming soon
059 Spiral Matrix II           C++ Coming soon
060 Permutation Sequence           C++ Coming soon
061 Rotate List           C++ Coming soon
062 Unique Paths           C++ Coming soon
063 Unique Paths II           C++ Coming soon
064 Minimum Path Sum           C++ Coming soon
065 Valid Number C++ Java Python Coming soon
066 Plus One           C++ Coming soon
067 Add Binary           C++ Coming soon
068 Text Justification C++ Java Python    Note Here
069 Sqrt(x) C++ Java Python Coming soon
070 Climbing Stairs           C++ Coming soon
071 Simplify Path C++ Java Python Coming soon
072 Edit Distance           C++ Coming soon
073 Set Matrix Zeroes           C++ Coming soon
074 Search a 2D Matrix           C++ Coming soon
075 Sort Colors           C++ Coming soon
076 Minimum Window Substring           C++    Note Here
077 Combinations           C++ Coming soon
078 Subsets C++ Java Python Coming soon
079 Word Search           C++ Coming soon
080 Remove Duplicates from Sorted Array II           C++ Coming soon
081 Search in Rotated Sorted Array II           C++ Coming soon
082 Remove Duplicates from Sorted List II           C++ Coming soon
083 Remove Duplicates from Sorted List           C++ Coming soon
084 Largest Rectangle in Histogram      C++ Java    Note Here
085 Maximal Rectangle      C++ Java    Note Here
086 Partition List C++ Java Python Coming soon
087 Scramble String C++ Java Python    Note Here
088 Merge Sorted Array           C++ Coming soon
089 Gray Code C++ Java Python Coming soon
090 Subsets II C++ Java Python Coming soon
091 Decode Ways C++ Java Python Coming soon
092 Reverse Linked List II           C++ Coming soon
093 Restore IP Addresses C++ Java Python    Note Here
094 Binary Tree Inorder Traversal           C++ Coming soon
095 Unique Binary Search Trees           C++    Note Here
096 Unique Binary Search Trees II           C++    Note Here
097 Interleaving String      C++ Java    Note Here
098 Validate Binary Search Tree C++ Java Python    Note Here
099 Recover Binary Search Tree    C++ Python    Note Here
100 Same Tree           C++ Coming soon
101 Symmetric Tree           C++ Coming soon
102 Binary Tree Level Order Traversal    C++ Python    Note Here
103 Binary Tree Zigzag Level Order Traversal    C++ Python    Note Here
104 Maximum Depth of Binary Tree           C++ Coming soon
105 Construct Binary Tree from Preord...           C++    Note Here
106 Construct Binary Tree from Inorde...           C++    Note Here
107 Binary Tree Level Order Traversal II    C++ Python    Note Here
108 Convert Sorted Array to Binary Se...           C++    Note Here
109 Convert Sorted List to Binary Sea...    C++ Python    Note Here
110 Balanced Binary Tree           C++ Coming soon
111 Minimum Depth of Binary Tree           C++ Coming soon
112 Path Sum           C++ Coming soon
113 Path Sum II C++ Java Python Coming soon
114 Flatten Binary Tree to Linked List      C++ Java    Note Here
115 Distinct Subsequences    C++ Python    Note Here
116 Populating Next Right Pointers in... C++ Java Python Coming soon
117 Populating Next Right Pointers in... C++ Java Python Coming soon
118 Pascals Triangle           C++ Coming soon
119 Pascal's Triangle II           C++ Coming soon
120 Triangle C++ Java Python Coming soon
121 Best Time to Buy and Sell Stock    C++ Python    Note Here
122 Best Time to Buy and Sell Stock II    C++ Python    Note Here
123 Best Time to Buy and Sell Stock III    C++ Python    Note Here
124 Binary Tree Maximum Path Sum    C++ Python    Note Here
125 Valid Palindrome           C++ Coming soon
126 Word Ladder    C++ Python    Note Here
127 Word Ladder II   Coming soon Coming soon
128 Longest Consecutive Sequence   Coming soon Coming soon
129 Sum Root to Leaf Numbers           C++ Coming soon
130 Surrounded Regions           C++    Note Here
131 Palindrome Partitioning    C++ Python    Note Here
132 Palindrome Partitioning II      C++ Java    Note Here
133 Clone Graph           C++ Coming soon
134 Gas Station           C++    Note Here
135 Candy   Coming soon Coming soon
136 Single Number           C++    Note Here
137 Single Number II           C++ Coming soon
138 Copy List with Random Pointer C++ Java Python    Note Here
139 Word Break    C++ Python    Note Here
140 Word Break II   Coming soon Coming soon
141 Linked List Cycle           C++ Coming soon
142 Linked List Cycle II   Coming soon Coming soon
143 Reorder List           C++ Coming soon
144 Binary Tree Preorder Traversal           C++ Coming soon
145 Binary Tree Postorder Traversal           C++ Coming soon
146 LRU Cache    C++ Python    Note Here
147 Insertion Sort List           C++ Coming soon
148 Sort List           C++    Note Here
149 Max Points on a Line   Coming soon Coming soon
150 Evaluate Reverse Polish Notation C++ Java Python    Note Here
151 Reverse Words in a String C++ Java Python    Note Here
152 Maximum Product Subarray           C++ Coming soon
153 Find Minimum in Rotated Sorted Array           C++    Note Here
154 Find Minimum in Rotated Sorted Array II    C++ Python    Note Here
155 Min Stack           C++    Note Here
156 Binary Tree Upside Down $        Not Buy     Not Buy
157 Read N Characters Given Read4 $        Not Buy     Not Buy
158 Read N Characters Given Read4 II ... $        Not Buy     Not Buy
159 Longest Substring with At Most Tw... $        Not Buy     Not Buy
160 Intersection of Two Linked Lists           C++ Coming soon
161 One Edit Distance $        Not Buy     Not Buy
162 Find Peak Element C++ Java Python Coming soon
163 Missing Ranges $        Not Buy     Not Buy
164 Maximum Gap           C++    Note Here
165 Compare Version Numbers           C++ Coming soon
166 Fraction to Recurring Decimal           C++    Note Here
167 Two Sum II - Input array is sorted $        Not Buy     Not Buy
168 Excel Sheet Column Title C++ Java Python Coming soon
169 Majority Element C++ Java Python Coming soon
170 Two Sum III - Data structure design $        Not Buy     Not Buy
171 Excel Sheet Column Number C++ Java Python Coming soon
172 Factorial Trailing Zeroes C++ Java Python Coming soon
173 Binary Search Tree Iterator    C++ Python    Note Here
174 Dungeon Game   Coming soon Coming soon
175 Combine Two Tables           SQL Coming soon
176 Second Highest Salary           SQL Coming soon
177 Nth Highest Salary           SQL    Note Here
178 Rank Scores           SQL    Note Here
179 Largest Number C++ Java Python Coming soon
180 Consecutive Numbers           SQL    Note Here
181 Employees Earning More Than Their...           SQL Coming soon
182 Duplicate Emails           SQL Coming soon
183 Customers Who Never Order           SQL    Note Here
184 Department Highest Salary           SQL    Note Here
185 Department Top Three Salaries   Coming soon Coming soon
186 Reverse Words in a String II $        Not Buy     Not Buy
187 Repeated DNA Sequences C++ Java Python Coming soon
188 Best Time to Buy and Sell Stock IV           C++    Note Here
189 Rotate Array           C++    Note Here
190 Reverse Bits C++ Java Python    Note Here
191 Number of 1 Bits      C++ Java    Note Here
192 Word Frequency  Shell Script    Note Here
193 Valid Phone Numbers  Shell Script    Note Here
194 Transpose File  Shell Script    Note Here
195 Tenth Line  Shell Script    Note Here
196 Delete Duplicate Emails           SQL Coming soon
197 Rising Temperature           SQL    Note Here
198 House Robber           C++    Note Here
199 Binary Tree Right Side View    C++ Python    Note Here
200 Number of Islands           C++    Note Here
201 Bitwise AND of Numbers Range    C++ Python    Note Here
202 Happy Number    C++ Python    Note Here
203 Remove Linked List Elements C++ Java Python    Note Here
204 Count Primes           C++ Coming soon
205 Isomorphic Strings    C++ Python    Note Here
206 Reverse Linked List           C++ Coming soon
207 Course Schedule    C++ Python    Note Here
208 Implement Trie (Prefix Tree)           C++    Note Here
209 Minimum Size Subarray Sum   Coming soon Coming soon
210 Course Schedule II   Coming soon Coming soon
211 Add and Search Word - Data struct...   Coming soon Coming soon
212 Word Search II   Coming soon Coming soon
213 House Robber II   Coming soon Coming soon
214 Shortest Palindrome   Coming soon Coming soon
215 Kth Largest Element in an Array C++ Java Python    Note Here
216 Combination Sum III           C++    Note Here
217 Contains Duplicate    C++ Python    Note Here
218 The Skyline Problem   Coming soon Coming soon
219 Contains Duplicate II           C++    Note Here
220 Contains Duplicate III      C++ Java    Note Here
221 Maximal Square    C++ Python    Note Here
222 Count Complete Tree Nodes    C++ Python    Note Here
223 Rectangle Area           C++    Note Here
224 Basic Calculator      C++ Java    Note Here
225 Implement Stack using Queues      C++ Java    Note Here
226 Invert Binary Tree    C++ Python    Note Here
227 Basic Calculator II   Coming soon Coming soon
228 Summary Ranges    C++ Python    Note Here
229 Majority Element II   Coming soon Coming soon
230 Kth Smallest Element in a BST           C++    Note Here
231 Power of Two    C++ Python    Note Here
232 Implement Queue using Stacks    C++ Python    Note Here
233 Number of Digit One   Coming soon Coming soon
234 Palindrome Linked List C++ Java Python    Note Here
235 Lowest Common Ancestor of a Binar...    C++ Python    Note Here
236 Lowest Common Ancestor of a Binary Tree   Coming soon Coming soon
237 Delete Node in a Linked List    C++ Python    Note Here
238 Product of Array Except Self   Coming soon Coming soon
239 Sliding Window Maximum    C++ Python    Note Here
240 Search a 2D Matrix II   Coming soon Coming soon
241 Different Ways to Add Parentheses    C++ Python    Note Here
242 Valid Anagram    C++ Python    Note Here
243 Shortest Word Distance $        Not Buy     Not Buy
244 Shortest Word Distance II $        Not Buy     Not Buy
245 Shortest Word Distance III $        Not Buy     Not Buy
246 Strobogrammatic Number $        Not Buy     Not Buy
247 Strobogrammatic Number II $        Not Buy     Not Buy
248 Strobogrammatic Number III $        Not Buy     Not Buy
249 Group Shifted Strings $        Not Buy     Not Buy
250 Count Univalue Subtrees $        Not Buy     Not Buy
251 Flatten 2D Vector $        Not Buy     Not Buy
252 Meeting Rooms $        Not Buy     Not Buy
253 Meeting Rooms II $        Not Buy     Not Buy
254 Factor Combinations $        Not Buy     Not Buy
255 Verify Preorder Sequence in Binar... $        Not Buy     Not Buy
256 Paint House $        Not Buy     Not Buy
257 Binary Tree Paths    C++ Python    Note Here
258 Add Digits    C++ Python    Note Here
259 3Sum Smaller $        Not Buy     Not Buy
260 Single Number III   Coming soon Coming soon
261 Graph Valid Tree $        Not Buy     Not Buy
262 is missing   Coming soon Coming soon
263 Ugly Number    C++ Python    Note Here
264 Ugly Number II   Coming soon Coming soon
265 Paint House II $        Not Buy     Not Buy
266 Palindrome Permutation $        Not Buy     Not Buy
267 Palindrome Permutation II $        Not Buy     Not Buy
268 Missing Number C++ Java Python    Note Here
269 Alien Dictionary $        Not Buy     Not Buy
270 Closest Binary Search Tree Value $        Not Buy     Not Buy
271 Encode and Decode Strings $        Not Buy     Not Buy
272 Closest Binary Search Tree Value II $        Not Buy     Not Buy
273 Integer to English Words   Coming soon Coming soon
274 H-Index   Coming soon Coming soon
275 H-Index II   Coming soon Coming soon
276 Paint Fence $        Not Buy     Not Buy
277 Find the Celebrity $        Not Buy     Not Buy
278 First Bad Version    C++ Python    Note Here
279 Perfect Squares    C++ Python    Note Here
280 Wiggle Sort $        Not Buy     Not Buy
281 Zigzag Iterator $        Not Buy     Not Buy
282 Expression Add Operators   Coming soon Coming soon
283 Move Zeroes           C++    Note Here
284 Peeking Iterator   Coming soon Coming soon
285 Inorder Successor in BST $        Not Buy     Not Buy
286 Walls and Gates $        Not Buy     Not Buy
287 Find the Duplicate Number   Coming soon Coming soon
288 Unique Word Abbreviation $        Not Buy     Not Buy
289 Game of Life    C++ Python    Note Here
290 Word Pattern    C++ Python    Note Here
291 Word Pattern II $        Not Buy     Not Buy
292 Nim Game   Coming soon Coming soon
293 Flip Game $        Not Buy     Not Buy
294 Flip Game II $        Not Buy     Not Buy
295 Find Median from Data Stream   Coming soon Coming soon
296 Best Meeting Point $        Not Buy     Not Buy