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【leetcode】高频题目整理_数学篇( High Frequency Problems, Math )

2021-04-17 23:53 1346 查看

截止至今LeetCode题目总量已经有

1582题
,估计将来每年平均增长
300题
左右,大部分人肯定是
刷不完的
,所以得有选择地刷LeetCode。

一种公认的刷题策略是

按类别刷题
,可是每个类别也有许多题,在有限的时间里
到底该刷哪些题呢
?个人根据
LeetCode官方
给出的每个题目的
出现频率
,整理并收录了每个类别里
高频出现
的题目,对于官方统计频率太低的题目,不予收录,最终得到了这个高频题目表格。

例如,对于下图中题号

#275
#270
的题目将被收录,并且
#275
出现频率大于
#270
;而对于题号
#1011
#1182
的题目,因为出现频率太低,将不被收录:

撸起键盘加油干!祝大家成功上岸!整理不易,点个赞吧!

数学篇-97题(Math, 97 problems)

数据日期: 2020/03/26 (此时LeetCode题目数量:1582)
数据来源: LeetCode官方,将不同类别的题目按照官方给的出现频率(Frequency)降序排列,取有频率统计的题。

排序题号题目通过率难度
1#2Add Two Numbers0.37中等
2#535Encode and Decode TinyURL0.812中等
3#7Reverse Integer0.339简单
4#13Roman to Integer0.611简单
5#9Palindrome Number0.572简单
6#458Poor Pigs0.545困难
7#233Number of Digit One0.342困难
8#67Add Binary0.523简单
9#258Add Digits0.659简单
10#12Integer to Roman0.63中等
11#202Happy Number0.576简单
12#43Multiply Strings0.42中等
13#754Reach a Number0.395中等
14#728Self Dividing Numbers0.728简单
15#372Super Pow0.394中等
16#357Count Numbers with Unique Digits0.507中等
17#264Ugly Number II0.508中等
18#319Bulb Switcher0.452中等
19#400Nth Digit0.359中等
20#279Perfect Squares0.551中等
21#413Arithmetic Slices0.602中等
22#628Maximum Product of Three Numbers0.494简单
23#313Super Ugly Number0.622中等
24#368Largest Divisible Subset0.371中等
25#29Divide Two Integers0.194中等
26#224Basic Calculator0.371困难
27#50Pow(x, n)0.342中等
28#8String to Integer (atoi)0.194中等
29#69Sqrt(x)0.376简单
30#453Minimum Moves to Equal Array Elements0.534简单
31#268Missing Number0.548简单
32#343Integer Break0.553中等
33#204Count Primes0.329简单
34#672Bulb Switcher II0.528中等
35#60Permutation Sequence0.486中等
36#365Water and Jug Problem0.351中等
37#172Factorial Trailing Zeroes0.399简单
38# 8000 1230Toss Strange Coins0.408中等
39#65Valid Number0.187困难
40#171Excel Sheet Column Number0.669简单
41#462Minimum Moves to Equal Array Elements II0.575中等
42#223Rectangle Area0.427中等
43#168Excel Sheet Column Title0.372简单
44#149Max Points on a Line0.213困难
45#592Fraction Addition and Subtraction0.485中等
46#507Perfect Number0.379简单
47#810Chalkboard XOR Game0.526困难
48#633Sum of Square Numbers0.331简单
49#396Rotate Function0.394中等
50#537Complex Number Multiplication0.682中等
51#866Prime Palindrome0.192中等
52#553Optimal Division0.544中等
53#423Reconstruct Original Digits from English0.522中等
54#640Solve the Equation0.405中等
55#927Three Equal Parts0.306困难
56#263Ugly Number0.49简单
57#273Integer to English Words0.266困难
58#645Set Mismatch0.415简单
59#598Range Addition II0.503简单
60#805Split Array With Same Average0.257困难
61#166Fraction to Recurring Decimal0.258中等
62#670Maximum Swap0.4中等
63#231Power of Two0.478简单
64#335Self Crossing0.32困难
65#483Smallest Good Base0.37困难
66#367Valid Perfect Square0.433简单
67#441Arranging Coins0.404简单
68#899Orderly Queue0.496困难
69#593Valid Square0.42中等
70#523Continuous Subarray Sum0.229中等
71#910Smallest Range II0.268中等
72#660Remove 90.594困难
73#360Sort Transformed Array0.603中等
74#517Super Washing Machines0.408困难
75#326Power of Three0.467简单
76#942DI String Match0.713简单
77#1362Closest Divisors0.474中等
78#397Integer Replacement0.344中等
79#248Strobogrammatic Number III0.413困难
80#1307Verbal Arithmetic Puzzle0.333困难
81#296Best Meeting Point0.617困难
82#247Strobogrammatic Number II0.478中等
83#6514 Keys Keyboard0.573中等
84#1359Count All Valid Pickup and Delivery Options0.535困难
85#469Convex Polygon0.437中等
86#1330Reverse Subarray To Maximize Array Value0.352困难
87#963Minimum Area Rectangle II0.494中等
88#1183Maximum Number of Ones0.494困难
89#625Minimum Factorization0.323中等
90#573Squirrel Simulation0.644中等
91#1012Numbers With Repeated Digits0.278困难
92#634Find the Derangement of An Array0.409中等
93#356Line Reflection0.285中等
94#1276Number of Burgers with No Waste of Ingredients0.491中等
95#246Strobogrammatic Number0.464简单
96#1199Minimum Time to Build Blocks0.371困难
97#1131Maximum of Absolute Value Expression0.401中等

相关/参考链接

leetcode-cn
leetcode

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