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 楼主| 每日一题 2018-9-24 05:13:18 | 只看该作者
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本帖最后由 每日一题 于 2018-9-27 10:16 编辑

668. Kth Smallest Number in Multiplication Table #20180923

Number of Airplanes in the Sky #20180924

872. Leaf-Similar Trees #20180925

858. Mirror Reflection #20180925

218. The Skyline Problem #20180925

building-outline #20180925

162. Find Peak Element #20180925

Find Peak Element II #20180925

Subarray Sum #20180925

Submatrix Sum #20180926

500题/373天
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 楼主| 每日一题 2018-9-27 11:28:11 | 只看该作者
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本帖最后由 每日一题 于 2018-9-28 12:36 编辑

Subarray Sum Closest #20180926

Subarray Sum II #20180926

13. Roman to Integer #20180927

12. Integer to Roman #20180927

Equilibrium index of an array #20180927

Detect Cycle in a directed graph using colors #20180927

523. Continuous Subarray Sum #20180927

53. Maximum Subarray #20180927

Continuous Subarray Sum # 20180927

Continuous Subarray Sum II # 20180927
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 楼主| 每日一题 2018-9-29 09:21:27 | 只看该作者
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本帖最后由 每日一题 于 2018-10-2 12:12 编辑

568. Maximum Vacation Days #20180928

56. Merge Intervals #20180929

768. Max Chunks To Make Sorted II #20180930

222. Count Complete Tree Nodes #20180930

516. Longest Palindromic Subsequence #20181001

224. Basic Calculator #20181001

150. Evaluate Reverse Polish Notation #20181001

654. Maximum Binary Tree #20181001

42. Trapping Rain Water #20181001

407. Trapping Rain Water II #20181001
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 楼主| 每日一题 2018-10-3 10:57:52 | 只看该作者
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本帖最后由 每日一题 于 2018-10-7 12:54 编辑

317. Shortest Distance from All Buildings #20181002

334. Increasing Triplet Subsequence #20181003

300. Longest Increasing Subsequence #20181003

133. Clone Graph #20181004

398. Random Pick Index #20181004

62. Unique Paths #20181004

857. Minimum Cost to Hire K Workers #20181005

844. Backspace String Compare #20181005

28. Implement strStr() #20181006

135. Candy #20181006
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 楼主| 每日一题 2018-10-7 12:54:24 | 只看该作者
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本帖最后由 每日一题 于 2018-10-13 10:39 编辑

501. Find Mode in Binary Search Tree #20181006

787. Cheapest Flights Within K Stops #20181007

70. Climbing Stairs #20181007

489. Robot Room Cleaner #20181008

208. Implement Trie (Prefix Tree) #20181008

920. Number of Music Playlists #20181010

235. Lowest Common Ancestor of a Binary Search Tree #20181011

236. Lowest Common Ancestor of a Binary Tree #20181011

723. Candy Crush #20181011

765. Couples Holding Hands #20181012
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 楼主| 每日一题 2018-10-14 05:19:12 | 只看该作者
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本帖最后由 每日一题 于 2018-10-17 09:39 编辑

399. Evaluate Division #20181013

920. Number of Music Playlists #20181013

78. Subsets #20181015

90. Subsets II #20181015

46. Permutations #20181015

484. Find Permutation #20181015

47. Permutations II #20181015

31. Next Permutation #20181015

39. Combination Sum #20181016

40. Combination Sum II #20181016
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 楼主| 每日一题 2018-10-17 09:55:38 | 只看该作者
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本帖最后由 每日一题 于 2018-10-21 23:06 编辑

17. Letter Combinations of a Phone Number #20181016

131. Palindrome Partitioning #20181016

132. Palindrome Partitioning II #20181016

93. Restore IP Addresses #20181016

84. Largest Rectangle in Histogram #20181017

35. Search Insert Position #20181018

34. Search for a Range #20181018

74. Search a 2D Matrix #20181020

240. Search a 2D Matrix II #20181020

278. First Bad Version #20181021
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 楼主| 每日一题 2018-10-22 12:24:51 | 只看该作者
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本帖最后由 每日一题 于 2018-10-24 10:23 编辑

162. Find Peak Element #20181021

Find Peak Element II #20181021

33. Search in Rotated Sorted Array #20181021

81. Search in Rotated Sorted Array II #20181022

153. Find Minimum in Rotated Sorted Array #20181022

154. Find Minimum in Rotated Sorted Array II #20181022

88. Merge Sorted Array #20181022

4. Median of Two Sorted Arrays #20181022

Recover Rotated Sorted Array #20181023

151. Reverse Words in a String #20181023
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 楼主| 每日一题 2018-10-24 10:38:30 | 只看该作者
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本帖最后由 每日一题 于 2018-10-29 12:08 编辑

Rotate String #20181023

26. Remove Duplicates from Sorted Array #20181023

80. Remove Duplicates from Sorted Array II #20181023

684. Redundant Connection #20181024

685. Redundant Connection II #20181024

144. Binary Tree Preorder Traversal #20181025

94. Binary Tree Inorder Traversal #20181026

145. Binary Tree Postorder Traversal #20181027

104. Maximum Depth of Binary Tree #20181028

110. Balanced Binary Tree #20181028
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 楼主| 每日一题 2018-10-29 12:09:50 | 只看该作者
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本帖最后由 每日一题 于 2018-10-30 12:10 编辑

124. Binary Tree Maximum Path Sum #20181028

Binary Tree Maximum Path Sum II #20181028

236. Lowest Common Ancestor of a Binary Tree #20181028

Lowest Common Ancestor II #20181028

235. Lowest Common Ancestor of a Binary Search Tree #20181028

102. Binary Tree Level Order Traversal #20181029

107. Binary Tree Level Order Traversal II #20181029

103. Binary Tree Zigzag Level Order Traversal #20181029

98. Validate Binary Search Tree #20181029

Search Range in Binary Search Tree #20181029
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