[Leetcode] 191. Number of 1 Bits (Python)
https://leetcode.com/problems/number-of-1-bits/
Data Structures and Algorithms
[Leetcode] 206. Reverse Linked List (Python)
Explanation 링크드 리스트 뒤집기는 기본적이고, 정말 많이 나오는 알고리즘중 하나입니다. 시간복잡도는 O(n)이며, 총 3개의 스텝으로 이루어집니다. 이미지와 함께하면 이해가 빠를겁니다. 출처
[Leetcode] 53. Maximum Subarray - Kadane’s Algorithm 카데인 알고리즘 (Python)
Problem Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum.
[Coderbyte] Tree Constructor (Python)
Problem Statement TreeConstructor(strArr) take the array of strings stored in strArr, which will contain pairs of integers in the following format: (i1,i2), ...
[Coderbyte] String Number Calculation - convert word to integer (Python)
Problem Statement Given a string strParam with numeric words, perform the calculation and return value as a string. if the value is <=0, say negative xx.
[Coderbyte] Reverse Polish Notation (Python)
Problem Statement Reverse Polish Notation: It is a mathematical notation in which operators follow their operands. Watch this video for more detailed explana...
[Leetcode] 20. Valid Parentheses (Python)
Problem Statement Given a string s containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[’ and ‘]’, determine if the input string is valid.
[Linked List] 21. Merge Two Sorted Lists (Python)
Problem Statement Merge two sorted linked lists and return it as a sorted list. The list should be made by splicing together the nodes of the first two lists.
[카카오] 카카오 신규 아이디 추천 코드- regex 정규식 사용하기 (Python)
2021년 카카오 블라인드 채용 코딩테스트중, 기본 문제 “카카오 신규 아이디 추천”의 코드와 풀이입니다. 정규식을 사용하면 원하는 문자열 그룹을 아주 쉽게 정의할 수 있습니다. 쉽게 풀어놨으니 꼭 찬찬히 보고 이해해보세요!
[Linked List] 2. Add two numbers
Problem Statement
[Other] Missing Number and Duplicates
Table of Contents Q: Find a missing number and duplicates in a given array Find a missing number in a given array 1.1 Example 1.2 Code Implementation...
HackerRank Interview Preparation Kit
Python implementation will be linked below.
[Other] Set Bits of a Binary Tree (C)
Table of Contents Q: Implement a function that counts the set bit of a binary tree in C. What is a Binary Tree? 1.1 Binary Search Tree Steps and Pseud...