Tag LeetCode Java Solution

LeetCode #231 Power of Two Solution & Explanation

We can easily solve this problem with a loop or recursion. But is there another way? Definitely yes!

This problem can be seen as part of a series related to the "Contains Duplicate" problem, with a slight difference.

We can determine if one string is a subsequence of another string through a simple iteration.

'isomorphic' means each alphabet is map to another one. Discover how to solve this efficiently with iteration.

We can easily solve this problem through iteration, but are there any important considerations?

Sometimes, the Easiest way may not be the best answer. We can store the values of it than rebuild...But, if there a better way?

This problem can be divide into two parts: removing non-alphanumeric characters and checking whether the phrase is a palindrome or not.

【Blind75】 No way. We can solve this problem in just one line of code. ( C#, Java, Python3, JS with multiple solutions)

Fibonacci numbers, also known as the magic numbers, have made significant contributions across various fields.

Check two binary trees are same or not - C#, Java, Python3, JavaScript Solution