Data Structure and Algorithms
Leetcode 1749. Maximum Absolute Sum of Any Subarray
·1 min
Data Structure and Algorithms
LeetCode Solutions
Leetcode-Solutions
Prefix-Sum
Leetcode 1524. Number of Sub-arrays With Odd Sum
·4 mins
Data Structure and Algorithms
LeetCode Solutions
Leetcode-Solutions
Dynamic-Programming
Prefix-Sum
Leetcode 1261. Find Elements in a Contaminated Binary Tree
·2 mins
Data Structure and Algorithms
LeetCode Solutions
Leetcode-Solutions
Dfs
Leetcode 1980. Find Unique Binary String
·1 min
Data Structure and Algorithms
LeetCode Solutions
Leetcode-Solutions
Leetcode 1415. The k-th Lexicographical String of All Happy Strings of Length n
·5 mins
Data Structure and Algorithms
LeetCode Solutions
Leetcode-Solutions
Backtracking
Dfs
Combinations
Difference between `push_back` and `+` in string
·2 mins
Data Structure and Algorithms
String
C++
String
Time-Complexity