Series
LeetCode 150 Top Interview code problem solving series
Understanding the Problem When I saw the sample codes and the problem, I had no clue what I was supposed to do with these. But anyways the problem explanation went, I was given two arrays with two numbers as parameters like, # sample nums1 = [1, 2, 3...
Understanding the Problem There is a list of nums as nums and a single integer as val. If the given list has the value val, it should be taken away from the list. The instruction was clear with the finishing words that I need to return k, which is th...
Understanding the Problem There are two strings give as parameters, ransomNote and magazine. I need to return True if ransomNote can be constructed with the characters of magazine. As an example, # sample 1 ransomNote = "ba" magazine = "aab" this sa...
Understanding the Problem There is a sorted list of numbers. The numbers are either consecutive by 1 or non-consecutive. When the number are consecutive, they will be summarized like ”num1→num2” in a string format so It indicates from num1 to num2 th...
Understanding the Problem This problem asks for the the depth(integer) of the tree as a return. But there are things that I had to consider. We do not know the depth of the tree, obviously the parameter comes in TreeNode class type. The class def...
Understanding the Problem The problem is direct and very simply understandable. Changing roman number to integer and returning the integer is the only task. But it is quite tricky when it comes to the combination of the numbers. # basic roman numbers...