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17 results

Owen Wu
Lexicographically Smallest String After Applying Operations

Leetcode #1625.

7:15
Lexicographically Smallest String After Applying Operations

5 views

2 weeks ago

bab lobko (Short and straight to the point)
3689. Maximum Total Subarray Value I

Today's problem looks like it wants dynamic programming, monotonic stacks, sliding window or some clever subarray magic.

6:16
3689. Maximum Total Subarray Value I

10 views

2 weeks ago

Owen Wu
Find a Safe Walk Through a Grid

Leetcode #3286.

4:52
Find a Safe Walk Through a Grid

52 views

3 weeks ago

Owen Wu
Closest Node to Path in Tree

Leetcode #2277.

12:29
Closest Node to Path in Tree

20 views

12 days ago

Owen Wu
Concatenate Array With Reverse

Leetcode #3925.

0:53
Concatenate Array With Reverse

26 views

4 weeks ago

Owen Wu
Maximum Frequency Score of a Subarray

Leetcode #2524 (Could not solve on my own - come back to review later)

5:40
Maximum Frequency Score of a Subarray

5 views

1 month ago

Owen Wu
Count Array Pairs Divisible by K

Leetcode #2183 (Could not solve on my own - come back to review later)

1:25
Count Array Pairs Divisible by K

17 views

1 month ago

Owen Wu
Find Minimum Time to Reach Last Room I

Leetcode #3341.

8:27
Find Minimum Time to Reach Last Room I

13 views

2 weeks ago

Owen Wu
Find Minimum Time to Reach Last Room II

Leetcode #3342.

6:00
Find Minimum Time to Reach Last Room II

10 views

2 weeks ago

Owen Wu
Shortest Distance After Road Addition Queries I

Leetcode #3243.

4:16
Shortest Distance After Road Addition Queries I

24 views

3 weeks ago

Owen Wu
Swim in Rising Water

Leetcode #778.

4:15
Swim in Rising Water

8 views

11 days ago

Partners DSA
The Greedy Algorithm Solution for Destroying Asteroids | LeetCode 2126

You are given an integer mass, which represents the original mass of a planet. You are further given an integer array asteroids, ...

9:10
The Greedy Algorithm Solution for Destroying Asteroids | LeetCode 2126

14 views

1 month ago

Partners DSA
Maximum Difference of 0s and 1s in a Binary String | Kadane’s Algorithm

Given a binary string s consisting of 0s and 1s. Find the maximum difference of the number of 0s and the number of 1s (number of ...

12:25
Maximum Difference of 0s and 1s in a Binary String | Kadane’s Algorithm

10 views

3 weeks ago

Partners DSA
The Hidden Tree Inside Every Array (And How to Traverse It) - Binary Searchable Count

Given an array arr[] consisting of n distinct integers, find the maximum count of integers that are binary searchable in the given ...

21:36
The Hidden Tree Inside Every Array (And How to Traverse It) - Binary Searchable Count

19 views

2 weeks ago

Partners DSA
k Times Appearing Adjacent Two 1s using Recursion + Memoization

Given two integers n and k, count the number of binary strings of length n where adjacent 1 appear k times. Since the answer can ...

17:21
k Times Appearing Adjacent Two 1s using Recursion + Memoization

3 views

1 day ago

Partners DSA
Count Matching Subsequences

Given two strings, s1 and s2, count the number of subsequences of string s1 equal to string s2. Return the total count modulo ...

30:08
Count Matching Subsequences

6 views

2 days ago

Partners DSA
Can You Place 2 Knights Without Them Attacking? (Non Attacking Black and White Knight)

Given two integers n and m representing the dimensions of a chessboard, find the number of ways to place one black knight and ...

17:00
Can You Place 2 Knights Without Them Attacking? (Non Attacking Black and White Knight)

45 views

3 weeks ago