Files

Non-leetcode
10. Regular Expression.cpp
101. Symmetric Tree.cpp
102. Binary tree level order traversal.cpp
103. Binary Tree Zigzag Level Order Traversal.cpp
107. Binary Tree Level Order Traversal.cpp
108. Convert Sorted Array to Binary Search Tree.cpp
109. Convert Sorted List to Binary Search Tree.cpp
110. Balanced Binary Tree.cpp
111. Minimum Depth of a Binary Tree.cpp
112. Path Sum.cpp
113. Path Sum II.cpp
118. Pascal's Triangle.cpp
119. Pascal's Triangle II.cpp
121. Best Time to Buy and Sell Stock.cpp
125. Valid Palindrome.cpp
128. Longest Consecutiv Sequence.cpp
129. Sum Root to Leaf Numbers.cpp
13. Roman to Integer.cpp
130. Surrounded Regions.cpp
136. Single Number.cpp
139. Word Break.cpp
141. Linked List Cycle.cpp
142. Linked LIst Cycle II.cpp
144. Binary Tree Preorder Traversal.cpp
146. LRU Cache.cpp
15. 3Sum.cpp
151. Reverse words in a string.cpp
152. Maximum Product Subarray.cpp
153. Find Minimum in Rotated Sorted Array.cpp
155. Min Stack.cpp
16. 3Sum Closest.cpp
160. Intersection of two linked lists.cpp
165. Compare Version Numbers.cpp
17. Letter Combinations of phone.cpp
172. Factorial Trailing Zeroes.cpp
179. Largest Number.cpp
189. Rotate Array.cpp
19. Remove Nth Node From End of List.cpp
190. Reverse Bits.cpp
198. House Robber.cpp
199. Binary Tree Right Side View.cpp
20. Valid Parentheses.cpp
200. Number of Islands.cpp
202. Happy Number.cpp
203 remove linked list elements.cpp
204. Count Primes.cpp
205. Isomorphic Strings.cpp
207. Course Schedule.cpp
208. Implement Trie(Prefix Tree).cpp
209. Minimum Size Subarray Sum.cpp
21. Merge Two Sorted Lists.cpp
210. Course Schedule II.cpp
215. Kth Largest Element in array.cpp
22. Generate Parantheses.cpp
222. Count Complete Tree Nodes.cpp
225. Implement Stacks using Queues.cpp
228. Summary Ranges.cpp
23. Merge k Sorted Lists.cpp
230. Kth Smallest Element in a BST.cpp
232. Implement Queue using Stacks.cpp
234. Palindrome Linked List.cpp
238. Product of Array Except Self.cpp
239. Sliding Window Maximum.cpp
24. Swap Nodes in Pairs.cpp
240. Search a 2D Matrix II.cpp
252. Meeting Rooms.cpp
253. Meeting Rooms II.cpp
254. Factor Combinations.cpp
257. Binary Tree Paths.cpp
258. Add digits.cpp
26. Remove Duplicates from sorted array.cpp
263. Ugly Number.cpp
266. Palindrome Permutation.cpp
268. Missing Number.cpp
27. Remove Element.cpp
273. Integer to English Words.cpp
274. H-index.cpp
275. H-Index II.cpp
277. Find the Celebrity.cpp
28. Implement strStr().cpp
283. Move Zeroes.cpp
285. Inorder Successor in BST.cpp
289. Game of Life.cpp
290. Word Pattern.cpp
295. Find Median From Data Stream.cpp
299. Bulls and Cows.cpp
3. longest_substring_without_repeating_characters.cpp
301. Remove Invalid Parentheses.cpp
303. Range Sum Query - Immutable.cpp
304. Range Sum Query 2D - Immutable.cpp
31. Next Permutation.cpp
314. Binary Tree Vertical Order Traversal.cpp
322. Coin Change.cpp
323. Number of Connected Components.cpp
325. Maximum Size Subarray Sum Equals k.cpp
33. Search in Rotated Sorted Array.cpp
332. Reconstruct Itinerary.cpp
34. Search for a Range.cpp
342. Power of four.cpp
344. Reverse string.cpp
345. Reverse vowels of a string.cpp
347. Top K frequent elements.cpp
35. Search Insert Position.cpp
355. Design Twitter.cpp
362. Power of Three.cpp
367. Valid Perfect Square.cpp
376. Wiggle Subsequence.cpp
378. Kth Smallest Element in a Sorted Matrix.cpp
38. Count and Say.cpp
380. Insert Delete GetRandom O(1).cpp
386. Lexicographical Numbers.cpp
387. First Unique Character in a String.cpp
389. Find the Difference.cpp
39. Combination sum.cpp
394. Decode String.cpp
397. Integer Replacement.cpp
40. Combination Sum 2.cpp
400. Nth Digit.cpp
404. Sum of Left Leaves.cpp
405. Convert a Number to Hexadecimal.cpp
409. Longest Palindrome.cpp
412. FizzBuzz.cpp
413. Arithmetic Slices.cpp
414. Third Maximum Number.cpp
415. Add Strings.cpp
419. Battleships in a Board.cpp
434. Number of segments in a string.cpp
437. Path Sum III.cpp
438. Find All Anagrams in a string.cpp
44. Wildcard Matching.cpp
441. Arranging Coins.cpp
442. Find All Duplicates in an Array.cpp
448. Find All Numbers Disappeared in an Array.cpp
450. Delete Node in a BST.cpp
451. Sort Characters By Frequency.cpp
452. Minimum Number of Arrows to Burst Balloons.cpp
453. Minimum Moves to Equal Array Elements.cpp
454. 4Sum II.cpp
455. Assign Cookies.cpp
459. Repeated Substring Pattern.cpp
46. Permutations.cpp
460. LFU Cache.cpp
461. Hamming Distance.cpp
462. Minimum Moves to Equal Array Elements II.cpp
463. Island perimeter.cpp
476. Number Complement.cpp
477. Total Hamming Distance.cpp
480. Sliding Window Median.cpp
481. Magical String.cpp
482. License Key Formatting.cpp
485. Max Consecutive Ones.cpp
486. Predict the Winner.cpp
487. Max Consecutive Ones II.cpp
49. Group Anagrams.cpp
491. Increasing Subsequences.cpp
492. Construct the Rectangle.cpp
495. Teemo Attacking.cpp
5. Longest Palindromic Substring.cpp
50. Pow(x,n).cpp
500. Keyboard Row.cpp
501. Find Mode in Binary Tree.cpp
504. Base 7.cpp
506. Relative Ranks.cpp
513. Find Bottom Left Tree Value.cpp
515. Find Largest Value in Each Tree Row.cpp
516. Longest Palindromic Subsequence.cpp
520. Detect Capital.cpp
530. Minimum Absolute Difference in BST.cpp
535. Encode and Decode TinyURL.cpp
539. Minimum Time Difference.cpp
54. spiralmatrix.cpp
541. Reverse String II.cpp
543. Diameter of Binary Tree.cpp
551. Student Attendance Record I.cpp
56. Merge Intervals.cpp
560. Subarray Sum Equals K.cpp
57. Insert Interval.cpp
572. Subtree of Another Tree.cpp
575. Distribute Candies.cpp
58. Length of Last Word.cpp
59. Spiral Matrix II.cpp
594. Longest Harmonious Subsequences.cpp
6. ZigZag Conversion.cpp
61. Rotate List.cpp
617. Merge Two Binary Trees.cpp
632. Smallest Range.cpp
643. Maximum Average Subarray I.cpp
648. Replace Words.cpp
653. Two Sum IV - Input is a BST.cpp
66. Plus One.cpp
67. Add Binary.cpp
670. Maximum Swap.cpp
69. Sqrt(x).cpp
690. Employee Importance.cpp
7. Reverse Integer.cpp
70. Climbing Stairs.cpp
72. Edit Distance.cpp
728. Self Dividing Number.cpp
74. Search a 2d matrix.cpp
76. Minimum Window Substring.cpp
78. Subsets.cpp
79. Word Search.cpp
8. String to int(atoi).cpp
80. Remove Duplicates from Sorted Array II.cpp
81. Search in Rotated Sorted Array II.cpp
82. Remove duplicates from Sorted List II.cpp
88. Merge Sorted Arrays.cpp
9. Palindrome Number.cpp
90. Subsets II.cpp
92. Reverse Linked List II.cpp
94. Binary Tree Inorder Traversal.cpp
96. Unique Binary Search Tree.cpp
98. Validate Binary Search Tree.cpp
Delete Node in Linked List.cpp
Least Common ancestor of a BST.cpp
Length of Longest Substring.cpp
Longest Increasing Subsequence.cpp
Maximum Subarray.cpp
Maximum depth of a binary tree.cpp
Populating Right Next Pointers in each Node.cpp
README.md
Same Tree.cpp
Two Sum.cpp
Two input ii. Input array is sorted.cpp
Valid Anagram.cpp
bulb_switcher.cpp
container with most water.cpp
contains_duplicate.cpp
contains_duplicate_3.cpp
contains_duplicate_II.cpp
counting_bits.cpp
excel sheet column number.cpp
excel sheet column title.cpp
first bad version.cpp
intersection_of_two_Arrays.cpp
invert binary tree.cpp
longest_common_prefix.cpp
majority element.cpp
minimum path sum.cpp
power_of_three.cpp
ransom note.cpp
remove duplicates from sorted list.cpp
unique_path_2.cpp
unique_paths.cpp
word ladder.cpp

387. First Unique Character in a String.cpp

some easy probs related to trees

Dec 3, 2016

e32e7e6 · Dec 3, 2016