大家一起Leetcode

使用步驟

1. 下面挑一題
2. AC後在指定資料夾建個屬於你名字的檔名.副檔名 (Example: Kellly.cpp, Dennaolan.sql)
3. 把檔案網址貼在readme

色塊標示題目難易度

• Hard
• Medium
• Easy

題目清單

1_Two Sum

3k4733294.c, Dennaolan.cpp, Kellly.c, Kellly.cpp, tkd9714.php, oliver.py

• 3k4733294.c 128 ms (76.77%), 7.5 MB (82.55%)
• Dennaolan.cpp 148 ms (24.97%), 9.3 MB (81.64%)
• Kellly.c
• Kellly.cpp
• Kellly.js 84 ms (58.56%), 41.4 MB (9.03%)
• tkd9714.php 156 ms (57.51%), 15.9 MB (43.77%)
• oliver.py

2_Add Two Numbers

Dennaolan.cpp, Kellly.cpp, tkd9714.php

• Dennaolan.cpp 16 ms (99.28%), 10.9 MB (40.89%)
• Kellly.cpp 24 ms (87.83%), 9.8 MB (97.72%)
• tkd9714.php 16 ms (97.34%), 14.8 MB (58.16%)

3_Longest Substring Without Repeating Characters

Dennaolan.cpp, Dennaolan(list).cpp, Kellly.cpp, tkd9714.php

• Dennaolan.cpp Time Limit Exceeded
• Dennaolan(list).cpp 452 ms (11.00%), 214.1 MB (7.87%)
• Kellly.cpp
• tkd9714.php 20 ms (90.96%), 15 MB (44.41%)

4_Median of Two Sorted Arrays

Kellly.cpp, tkd9714.php

• Kellly.cpp
• tkd9714.php 36 ms (90.63%), 15 MB (62.18%)

5_Longest Palindromic Substring

Dennaolan.cpp, Kellly.cpp, Kellly(middle).cpp, tkd9714.php3, k4733294.c

• Dennaolan.cpp 24 ms (68.40%), 52.1 MB (22.89%)
• Kellly.cpp
• Kellly(middle).cpp
• tkd9714.php 28 ms (98.09%), 14.9 MB (64.03%)
• 3k4733294.c 220 ms (17.41%), 7.1 MB (62.68%)
• vegeman.js 92 ms (94.88%), 42.1 MB (75.82%)

6_ZigZag Conversion

Dennaolan.cpp, Kellly.cpp, tkd9714.php, tkd9714(double loop).php, vegeman.js

• Dennaolan.cpp 52 ms (14.53%), 10.3 MB (70.68%)
• Kellly.cpp
• tkd9714(double loop).php
• tkd9714.php 12 ms (98.59%), 14.8 MB (94.74%)
• vegeman.js 88 ms (74.18%), 38.2 MB (88.89%)

7_Reverse Integer

3k4733294.c, Dennaolan.cpp, Kellly.cpp, tkd9714.php, oliver.py, vegeman.js

• 3k4733294.c 4 ms (93.32%), 6.9 MB (64.19%)
• Dennaolan.cpp 4 ms (86.77%), 8.4 MB (37.73%)
• Kellly.cpp
• tkd9714.php 4 ms (97.65%), 14.8 MB (53.68%)
• oliver.py
• vegeman.js

8_String to Integer (atoi)

Dennaolan.cpp, tkd9714.php, Kellly.cpp, vegeman.js

• Dennaolan.cpp 4 ms (92.54%), 9 MB (19.75%)
• tkd9714.php 8 ms (88.36%), 14.8 MB (80.00%)
• Kellly.cpp 0 ms (100.00%), 8.6 MB (14.37%)
• vegeman.js 68 ms (94.04%), 36.3 MB (42.86%)

9_Palindrome Number

3k4733294.c, Dennaolan.cpp, Kellly(list).cpp, Kellly(math).cpp, Kellly.(stack&queue).cpp, tkd9714.php, oliver.py

• 3k4733294.c 0 ms (100%), 7.2 MB (78.1%)
• Dennaolan.cpp 20 ms (71.83%), 8.1 MB (72.45%)
• Kellly(list).cpp
• Kellly(math).cpp
• Kellly.(stack&queue).cpp
• tkd9714.php 20 ms (96.82%), 14.8 MB (63.36%)
• oliver.py

10_Regular Expression Matching

Kellly.cpp, Kellly(DynamicProgramming).cpp, tkd9714.php

• Kellly.cpp 220 ms (14.82%), 15.2 MB (21.11%)
• Kellly(DynamicProgramming).cpp 4 ms (95.40%), 8.3 MB (90.51%)
• tkd9714.php 580 ms (11.11%), 14.8 MB (100%)

11_Container With Most Water

Dennaolan.cpp, Kellly(ignoreLowerHeight).cpp, Kellly.cpp, tkd9714.php

• Dennaolan.cpp 1252 ms (10.04%), 9.7 MB (81.47%)
• Kellly(ignoreLowerHeight).cpp
• Kellly.cpp
• tkd9714.php 32 ms (97.14%), 16.4 MB (51.22%)

12_Integer to Roman

Dennaolan.cpp, tkd9714.php, tkd9714(faster).php, Kellly.cpp

• Dennaolan.cpp 8 ms (87.94%), 8.3 MB (87.25%)
• tkd9714.php 28 ms (71.60%), 14.9 MB (57.14%)
• tkd9714(faster).php 12 ms (95.06%), 14.7 MB (58.00%)
• Kellly.cpp 4 ms (96.11%), 8.6 MB (44.82%)

13_Roman to Integer

3k4733294.c, Dennaolan.cpp, Kellly.cpp, tkd9714.php

• 3k4733294.c 8 ms (87.25%), 7.2 MB (55.72%)
• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php 16 ms (91.45%), 15 MB (17.07%)

14_Longest Common Prefix

Dennaolan.cpp, Kellly.cpp, tkd9714.php, oliver.py, 3k4733294.c

• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php 0 ms (100%), 14.8 MB (87.59%)
• oliver.py
• 3k4733294.c 0 ms (100%), 7.3 MB (45.72%)

15_3Sum

Dennaolan.cpp, Dennnaolan.py, tkd9714.php, Kellly.cpp, vegeman.js

• Dennaolan.cpp Time Limit Exceeded
• Dennaolan.py 2987 ms (26.02%), 18.2 MB (39.53%)
• tkd9714.php 168 ms (98.50%), 24.1 MB (58.97%)
• Kellly.cpp 196 ms (15.20%), 18.3 MB (15.88%)
• vegeman.js 212 ms (40.24%), 49.3 MB (66.28%)

16 3Sum Closest

tkd9714.php

• tkd9714.php 24 ms (97.14%), 14.8 MB (57.14%)

17 Letter Combinations of a Phone Number

Dennaolan.py, tkd9714.php, tkd9714(simplify).php

• Dennaolan.py 45 ms (59.55%), 13.9 MB (79.63%)
• tkd9714.php 4 ms (98.29%), 15.3 MB (13.51%)
• tkd9714(simplify).php 4 ms (98.28%), 15.1 MB (16.22%)

19 Remove Nth Node From End of List

tkd9714.php

• tkd9714.php 4 ms (97.92%), 14.7 MB(82.76%)

20_Valid Parentheses

Dennaolan.cpp, tkd9714.php, 3k4733294.c, Kellly.cpp

• Dennaolan.cpp
• tkd9714.php 8 ms (92.02%), 14.9 MB (70.70%)
• 3k4733294.c 0 ms (100.00%), 7.1 MB (39.97%)
• Kellly.cpp 0 ms (100.00%), 8.6 MB (15.93%)

21_Merge Two Sorted Lists

Dennaolan.cpp, oliver.py, tkd9714.php, 3k4733294.c, Kellly.cpp

• Dennaolan.cpp
• oliver.py
• tkd9714.php 4 ms (95.49%), 14.9 MB (37.35%)
• 3k4733294.c 4 ms (91.02%), 7.5 MB (32.33%)
• Kellly.cpp 4 ms (99.25%), 9.1 MB (9.74%)

22 Generate Parentheses

tkd9714.php

• tkd9714.php 4 ms(97.62%), 15.4 MB (90.32%)

23 Merge k Sorted Lists

tkd9714.php

• tkd9714.php 24 ms (100%), 22.6 MB (41.67%)

24 Swap Nodes in Pairs

tkd9714.php, vegeman.js

• tkd9714.php 4 ms (97.92%), 14.8 MB (66.67%)
• vegeman.js 52 ms (80.58%), 33.9 MB (15.79%)

25 Reverse Nodes in k-Group

tkd9714.php, tkd9714(splstack).php

• tkd9714.php 88 ms (9.09%), 15.9 MB (100%)
• tkd9714(splstack).php 12 ms (90.91%), 15.9 MB (100%)

26_Remove Duplicates from Sorted Array

Dennaolan.cpp, tkd9714.php, 3k4733294.c, Kellly.cpp

• Dennaolan.cpp 156 ms (17.91%), 9.8 MB (89.09%)
• tkd9714.php 20 ms (96.59%), 17.6 MB (12.04%)
• 3k4733294.c 16 ms (95.57%), 9.7 MB (12.86%)
• Kellly.cpp 20 ms (94.56%), 10 MB (25.42%)

27_Remove Element

Dennaolan.cpp, tkd9714.php, 3k4733294.c, Kellly.cpp

• Dennaolan.cpp 4 ms (82.76%), 8.7 MB (10.07%)
• tkd9714.php 8 ms (85.62%), 14.7 MB (89.01%)
• 3k4733294.c 4 ms (83.33%), 7.3 MB (7.66%)
• Kellly.cpp 0 ms (100.00%), 8.7 MB (17.81%)

28_Implement strStr()

Dennaolan.cpp, tkd9714.php, 3k4733294.c, Kellly.cpp

• Dennaolan.cpp 4 ms (94.49%), 9.3 MB (12.12%)
• tkd9714.php 8 ms (88.33%), 14.9 MB (74.65%)
• 3k4733294.c 4 ms (87.79%), 7.1 MB (47.74%)
• Kellly.cpp 4 ms (93.58%), 8.9 MB (89.40%)

29_Divide Two Integers

tkd9714.php

• tkd9714.php 0 ms (100%), 14.6 MB (100%)

31_Next Permutation

Kellly.cpp, tkd9714.php

• Kellly.cpp 8 ms (85.12%), 6 MB (68.58%)
• tkd9714.php 4 ms (96.30%), 14.9 MB (66.67%)

32_Longest Valid Parentheses

tkd9714.php, Kellly.cpp

• tkd9714.php 8 ms (87.50%), 14.8 MB (100%)
• Kellly.cpp 92 ms (7.31%), 19.4 MB (5.05%)

33_Search in Rotated Sorted Array

tkd9714.php, Kellly.cpp

• tkd9714.php 4 ms (100%), 15 MB (100%)
• Kellly.cpp 4 ms (86.81%), 8.7 MB (50.62%)

34_Find First and Last Position of Element in Sorted Array

tkd9714.php

• tkd9714.php 12 ms (100%), 19.1 MB (62.5%)

35_Search Insert Position

Dennaolan.cpp, tkd9714.php, 3k4733294.c, Kellly.cpp

• Dennaolan.cpp 4 ms (99.17%), 8.8 MB (67.20%)
• tkd9714.php 12 ms (90.20%), 16 MB (18.52%)
• 3k4733294.c 4 ms (92.24%), 7.3 MB (7.16%)
• Kellly.cpp 8 ms (73.48%), 8.9 MB (53.11%)

38_Count and Say

Dennaolan.cpp, tkd9714.php, Kellly.cpp

• Dennaolan.cpp 12 ms (18.96%), 8.7 MB (67.59%)
• tkd9714.php 4 ms (98.39%), 14.8 MB (65.00%)
• Kellly.cpp 4 ms (86.01%), 9 MB (37.67%)

44_Wildcard Matching

Kellly.cpp

• Kellly.cpp 32 ms (70.37%), 9.8 MB (53.85%)

50_Pow(x, n)

Dennaolan.py

• Dennaolan.py 71 ms (6.17%), 13.9 MB (68.53%)

53_Maximum Subarray

Kellly.cpp

• Kellly.cpp 8 ms (79.65%), 9.3 MB (42.17%)

58_Length of Last Word

Kellly.cpp

• Kellly.cpp 0 ms (100.00%), 8.7 MB (49.62%)

66_Plus One

Kellly.cpp

• Kellly.cpp 4 ms (76.05%), 8.7 MB (12.15%)

67_Add Binary

Kellly.cpp

• Kellly.cpp 4 ms (86.93%), 9.3 MB (19.93%)

69_Sqrt(x)

Kellly.cpp

• Kellly.cpp 4 ms (82.43%), 8.3 MB (14.73%)

70_Climbing Stairs

Kellly.cpp

• Kellly.cpp 0 ms (100.00%), 8.2 MB (61.56%)

83_Remove Duplicates from Sorted List

Kellly.cpp

• Kellly.cpp 8 ms (98.35%), 9.3 MB (41.98%)

88_Merge Sorted Array

Kellly.cpp, vegeman.js

• Kellly.cpp 4 ms (89.35%), 8.6 MB (79.35%)
• [vegeman.js] (https://github.com/housemeow/Leetcode/blob/master/88_Merge%20Sorted%20Array/vegeman.js) 60 ms (42.98%), 35.2 MB (7.69%)

100_Same Tree

Kellly.cpp

• Kellly.cpp 4 ms (69.76%), 9.6 MB (81.84%)

101_Symmetric Tree

Kellly.cpp

• Kellly.cpp 8 ms (62.09%), 15.6 MB (5.09%)

104_Maximum Depth of Binary Tree

Kellly.cpp

• Kellly.cpp 16 ms (44.33%), 19.4 MB (54.23%)

107_Binary Tree Level Order Traversal II

Kellly.cpp

• Kellly.cpp 4 ms (95.93%), 14.9 MB (20.00%)

108_Convert Sorted Array to Binary Search Tree

Kellly.cpp

• Kellly.cpp 16 ms (89.98%), 21.1 MB (59.09%)

110_Balanced Binary Tree

Kellly.cpp

• Kellly.cpp 12 ms (88.00%), 17.4 MB (45.99%)

111_Minimum Depth of Binary Tree

Kellly.cpp

• Kellly.cpp 16 ms (56.55%), 20.1 MB (22.22%)

118_Pascal's Triangle

Kellly.cpp

• Kellly.cpp 4 ms (71.36%), 8.8 MB (38.29%)

119_Pascal's Triangle II

Kellly.cpp

• Kellly.cpp 0 ms (100.00%), 8.2 MB (99.21%)

121_Best Time to Buy and Sell Stock

Kellly.cpp

• Kellly.cpp 4 ms (98.84%), 9.6 MB (17.51%)

122_Best Time to Buy and Sell Stock II

Kellly.cpp

• Kellly.cpp 4 ms (98.61%), 9.5 MB (55.01%)

125_Valid Palindrome

Kellly.cpp

• Kellly.cpp 16 ms (16.68%), 9.2 MB (90.37%)

136_Single Number

Kellly.cpp

• Kellly.cpp 24 ms (27.91%), 9.6 MB (87.10%)

141_Linked List Cycle

Kellly.cpp

• Kellly.cpp 12 ms (80.38%), 9.8 MB (38.68%)

155_Min Stack

Kellly.cpp

• Kellly.cpp 24 ms (98.40%), 17 MB (21.14%)

160_Intersection of Two Linked Lists

Kellly.cpp

• Kellly.cpp 52 ms (67.39%), 16.7 MB (58.15%)

167_Two Sum II - Input array is sorted

Kellly.cpp

• Kellly.cpp 8 ms (67.89%), 9.5 MB (52.26%)

168_Excel Sheet Column Title

Kellly.cpp

• Kellly.cpp 0 ms (100.00%), 8.1 MB (70.87%)

169_Majority Element

Kellly.cpp

• Kellly.cpp 24 ms (50.86%), 11.1 MB (37.97%)

171_Excel Sheet Column Number

Kellly.cpp

• Kellly.cpp 4 ms (80.46%), 8.1 MB (77.45%)

172_Factorial Trailing Zeroes

Kellly.cpp

• Kellly.cpp 0 ms (100.00%), 8.2 MB (49.44%)

175_Combine Two Tables

Kellly.sql

• Kellly.sql 193 ms (99.80%)

176_Second Highest Salary

Kellly.sql

• Kellly.sql 136 ms (70.53%)

181_Employees Earning More Than Their Managers

Kellly.sql

• Kellly.sql 307 ms (64.21%)

182_Duplicate Emails

Kellly.sql

• Kellly.sql 208 ms (51.23%)

183_Customers Who Never Order

Kellly.sql

• Kellly.sql 225 ms (99.13%)

198_House Robber

Kellly.cpp

• Kellly.cpp 0 ms (100.00%), 8.6 MB (90.57%)

217 Contains Duplicate

Kellly.js

• Kellly.js 80 ms (93.43%), 44.8 MB (62.09%)

241 Different Ways to Add Parentheses

Alan.java

• Alan.java 1 ms (99.59%), 39.3 MB (36.02%)

226 Invert Binary Tree

Kellly.js

• Kellly.js 76 ms (78.90%), 40 MB (9.98%)

238_Product of Array Except Self

vegeman.js

• vegeman.js 104 ms (96.09%), 51.8 MB (23.84%)

278_First Bad Version

Dennaolan.cpp

• Dennaolan.cpp 0 ms (100%), 8.2 MB (31.03%)

303_Range Sum Query - Immutable

Kellly.cpp

• Kellly.cpp 28 ms (93.78%), 17.1 MB (96.55%)

392_Is Subsequence

Kellly.cpp

• Kellly.cpp 72 ms (19.25%), 16.9 MB (95.24%)

595_Big Countries

Dennaolan.sql, Kellly.sql, tkd9714.sql

• Dennaolan.sql
• Kellly.sql
• tkd9714.sql 128 ms (93.28%)

709_To Lower Case

3k4733294.c, Dennaolan.cpp, Kellly.cpp, tkd9714.php

• 3k4733294.c 0 ms (100%), 6.9 MB (5.06%)
• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php

746_Min Cost Climbing Stairs

Kellly.cpp

• Kellly.cpp 4 ms (98.26%), 8.8 MB (81.40%)

771_Jewels and Stones

3k4733294.cpp, Dennaolan.cpp, Kellly.cpp, tkd9714.php

• 3k4733294.cpp 24 ms (87.83%), 8.5 MB (66.26%)
• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php

804_Unique Morse Code Words

Dennaolan.cpp, Kellly.cpp, tkd9714.php, 3k4733294.c

• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php
• 3k4733294.c 4 ms (90.5%), 7 MB (40%)

832_Flipping an Image

Dennaolan.cpp, Kellly.cpp, tkd9714.php, 3k4733294.c

• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php
• 3k4733294.c 8 ms (100%), 8.3 MB (5.17%)

905_Sort Array By Parity

Dennaolan.cpp, Kellly.cpp, tkd9714.php, 3k4733294.c

• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php 16 ms (100%), 16.2 MB (36.11%)
• 3k4733294.c 24 ms (95.34%), 10.2 MB (52.60%)

929_Unique Email Addresses

Dennaolan.cpp, Kellly.cpp, tkd9714.php

• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php

938_Range Sum of BST

Dennaolan.cpp, Kellly.cpp

• Dennaolan.cpp
• Kellly.cpp 144 ms (87.15%), 41 MB (90.15%)

961_N-Repeated Element in Size 2N Array

Dennaolan.cpp, Kellly.cpp, tkd9714.php

• Dennaolan.cpp
• Kellly.cpp
• tkd9714.php

977_Squares of a Sorted Array

Dennaolan.cpp, tkd9714.php, Kellly.cpp

• Dennaolan.cpp
• tkd9714.php
• Kellly.cpp 100 ms (88.18%), 13.3 MB (81.76%)

1021_Remove Outermost Parentheses

Dennaolan.cpp, Kellly.cpp

• Dennaolan.cpp
• Kellly.cpp 4 ms (94.83%), 9.3 MB (15.07%)