Sum of two numbers
solution
The longest string without repeated characters (2)
"滑动窗口法"优化解决
Keyword introduction
Problem-solving ideas
Complexity analysis
The longest string without repeated characters (3)
优化"滑动窗口"解决
Code block
ASCII 128码 思路
Code block
Largest palindrome substring
Problem-solving ideas
找到字符串的最长公共子串
动态编程解决方案
the complexity
Code block
Study Suggestion
Maximum palindrome substring (2)
What we shared above is quite wasteful in terms of time complexity and space complexity? Is there no better solution? There must be one!
Code block
the complexity
You can draw for about 10 minutes and execute the simulation of the code again. Then you can understand the process.
Invert integer
Remove duplicates in sorted array
Solution
Code block
Complexity analysis
Three-dimensional body projection area
Solution
Code block
Complexity analysis
Study Suggestion
The length of the longest Fibonacci subsequence (violence method)
Case study
Case study
Set(集合)暴力法
Code block
Complexity analysis
Suggest理解斐波拉契式数列的规律
理解代码思路