湛蓝与蔚蓝
Math
标题
列 1
列 2
列 3
列 4
列 5
列 6
列 7
#
Title
Solution
Time
Space
Difficulty
Tag
Note
0007
Reverse Integer
C++ Python
O(1)
O(1)
Easy
0009
Palindrome Number
C++ Python
O(1)
O(1)
Easy
0012
Integer to Roman
C++ Python
O(n)
O(1)
Medium
0013
Roman to Integer
C++ Python
O(n)
O(1)
Easy
0029
Divide Two Integers
C++ Python
O(1)
O(1)
Medium
0050
Pow(x, n)
C++ Python
O(logn)
O(1)
Medium
0060
Permutation Sequence
C++ Python
O(n^2)
O(n)
Medium
Cantor Ordering
0065
Valid Number
C++ Python
O(n)
O(1)
Hard
Automata
0089
Gray Code
C++ Python
O(2^n)
O(1)
Medium
0166
Fraction to Recurring Decimal
C++ Python
O(logn)
O(1)
Medium
0168
Excel Sheet Column Title
C++ Python
O(logn)
O(1)
Easy
0171
Excel Sheet Column Number
C++ Python
O(n)
O(1)
Easy
0172
Factorial Trailing Zeroes
C++ Python
O(1)
O(1)
Easy
0223
Rectangle Area
C++ Python
O(1)
O(1)
Easy
0233
Number of Digit One
C++ Python
O(1)
O(1)
Hard
CTCI, LintCode
0248
Strobogrammatic Number III
C++ Python
O(5^(n/2))
O(n)
Hard
🔒
0258
Add Digits
C++ Python
O(1)
O(1)
Easy
0263
Ugly Number
C++ Python
O(1)
O(1)
Easy
0292
Nim Game
C++ Python
O(1)
O(1)
Easy
LintCode
0319
Bulb Switcher
C++ Python
O(1)
O(1)
Medium
0326
Power of Three
C++ Python
O(1)
O(1)
Easy
0335
Self Crossing
C++ Python
O(n)
O(1)
Hard
0338
Counting Bits
C++ Python
O(n)
O(n)
Medium
0343
Integer Break
C++ Python
O(logn)
O(1)
Medium
Tricky, DP
0365
Water and Jug Problem
C++ Python
O(logn)
O(1)
Medium
Bézout's identity
0372
Super Pow
C++ Python
O(n)
O(1)
Medium
0382
Linked List Random Node
C++ Python
ctor: O(n)getRandom: O(1)
O(n)
Medium
Reservoir Sampling
0386
Lexicographical Numbers
C++ Python
O(n)
O(1)
Medium
0390
Elimination Game
C++ Python
O(logn)
O(1)
Medium
0391
Perfect Rectangle
C++ Python
O(n)
O(n)
Hard
0398
Random Pick Index
C++ Python
ctor: O(n)pick: O(1)
O(n)
Medium
Reservoir Sampling, Hash Table
0400
Nth Digit
C++ Python
O(logn)
O(1)
Easy
0413
Arithmetic Slices
C++ Python
O(n)
O(1)
Medium
0423
Reconstruct Original Digits from English
C++ Python
O(n)
O(1)
Medium
GCJ2016 - Round 1B
0441
Arranging Coins
C++ Python
O(nlogn)
O(1)
Easy
Binary Search
0453
Minimum Moves to Equal Array Elements
C++ Python
O(n)
O(1)
Easy
0458
Poor Pigs
C++ Python
O(n)
O(1)
Easy
0469
Convex Polygon
C++ Python
O(n)
O(1)
Medium
🔒
0470
Implement Rand10() Using Rand7()
C++ Python
O(1)
O(1)
Medium
0478
Generate Random Point in a Circle
C++ Python
O(1)
O(1)
Medium
0479
Largest Palindrome Product
C++ Python
O(n * 10^N)
O(n)
Hard
Math
0483
Smallest Good Base
C++ Python
O(logn * log(logn))
O(1)
Hard
Math
0492
Construct the Rectangle
C++ Python
O(1)
O(1)
Easy
Math
0497
Random Point in Non-overlapping Rectangles
C++ Python
ctor: O(n) pick: O(logn)
O(n)
Medium
0504
Base 7
C++ Python
O(n1)
O(1)
Easy
Math
0507
Perfect Number
C++ Python
O(sqrt(n))
O(1)
Easy
Math
0517
Super Washing Machines
C++ Python
O(n)
O(1)
Hard
0519
Random Flip Matrix
C++ Python
ctor: O(1) pick: O(1) reset: O(n)
O(n)
Medium
0528
Random Pick with Weight
C++ Python
ctor: O(n) pick: O(logn)
O(n)
Medium
0537
Complex Number Multiplication
C++ Python
O(1)
O(1)
Medium
0553
Optimal Division
C++ Python
O(n)
O(1)
Medium
0573
Squirrel Simulation
C++ Python
O(n)
O(1)
Medium
🔒
0592
Fraction Addition and Subtraction
C++ Python
O(nlogx)
O(n)
Medium
0593
Valid Square
C++ Python
O(1)
O(1)
Medium
0598
Range Addition II
C++ Python
O(p)
O(1)
Easy
0625
Minimum Factorization
C++ Python
O(loga)
O(1)
Medium
🔒
0628
Maximum Product of Three Numbers
C++ Python
O(n)
O(1)
Easy
0633
Sum of Square Numbers
C++ Python
O(sqrt(c) * logc)
O(1)
Easy
0634
Find the Derangement of An Array
C++ Python
O(n)
O(1)
Medium
🔒
0640
Solve the Equation
C++ Python
O(n)
O(n)
Medium
0651
4 Keys Keyboard
C++ Python
O(1)
O(1)
Medium
🔒
Math, DP
0660
Remove 9
C++ Python
O(logn)
O(1)
Hard
🔒
0672
Bulb Switcher II
C++ Python
O(1)
O(1)
Medium
0728
Self Dividing Numbers
C++ Python
O(n)
O(1)
Medium
0754
Reach a Number
C++ Python
O(logn)
O(1)
Medium
0775
Global and Local Inversions
C++ Python
O(n)
O(1)
Medium
0779
K-th Symbol in Grammar
C++ Python
O(1)
O(1)
Medium
0780
Reaching Points
C++ Python
O(log(max(m, n)))
O(1)
Hard
0781
Rabbits in Forest
C++ Python
O(n)
O(n)
Medium
0782
Transform to Chessboard
C++ Python
O(n^2)
O(n)
Hard
0789
Escape The Ghosts
C++ Python
O(n)
O(1)
Medium
0800
Similar RGB Color
C++ Python
O(1)
O(1)
Easy
🔒
0810
Chalkboard XOR Game
C++ Python
O(1)
O(1)
Hard
0812
Largest Triangle Area
C++ Python
O(n^3)
O(1)
Easy
0829
Consecutive Numbers Sum
C++ Python
O(sqrt(n))
O(1)
Hard
Factorization
0836
Rectangle Overlap
C++ Python
O(1)
O(1)
Easy
0858
Mirror Reflection
C++ Python
O(1)
O(1)
Medium
0866
Prime Palindrome
C++ Python
O(n^(1/2) * (logn + n^(1/2)))
O(logn)
Medium
0883
Projection Area of 3D Shapes
C++ Python
O(n^2)
O(1)
Easy
0887
Super Egg Drop
C++ Python
O(klogn)
O(1)
Hard
0891
Sum of Subsequence Widths
C++ Python
O(n)
O(1)
Hard
0899
Orderly Queue
C++ Python
O(n^2)
O(n)
Hard
0902
Numbers At Most N Given Digit Set
C++ Python
O(logn)
O(logn)
Hard
0906
Super Palindromes
C++ Python
O(n^0.25 * logn)
O(logn)
Hard
0907
Sum of Subarray Minimums
C++ Python
O(n)
O(n)
Medium
Mono Stack
0908
Smallest Range I
C++ Python
O(n)
O(1)
Easy
0910
Smallest Range II
C++ Python
O(nlogn)
O(1)
Medium
0914
X of a Kind in a Deck of Cards
C++ Python
O(n * (logn)^2)
O(n)
Easy
0963
Minimum Area Rectangle II
C++ Python
O(n^2) ~ O(n^3)
O(n^2)
Medium
0970
Powerful Integers
C++ Python
O((logn)^2)
O(r)
Easy
0972
Equal Rational Numbers
C++ Python
O(1)
O(1)
Hard
Loading...
ran2323
ran2323
忘掉名字吧
Latest posts
SFT + DPO 塔罗解读
SFT + DPO 塔罗解读
2025-4-14
Backtracking
Backtracking
2025-4-14
Leetcode 0001-1000 分组
Leetcode 0001-1000 分组
2025-4-14
mcp 记录(1)
mcp 记录(1)
2025-4-14
DPO 相关
DPO 相关
2025-3-29
今日paper(3/25) - MAGPIE
今日paper(3/25) - MAGPIE
2025-3-27
Announcement
 
 
 
 
暂时没有新的内容