전체 글

전체 글

    [ 경제 순환 지표 ] 피델리티 비지니스 사이클 사용법 - Fidelity Business Cycle

    Business Cycle Update | Fidelity Institutional Information provided in this document is for informational and educational purposes only. To the extent any investment information in this material is deemed to be a recommendation, it is not meant to be impartial investment advice or advice in a fiduciary institutional.fidelity.com 이번에 소개할 지표는 피델리티 비즈니스 사이클(Fideility Business cycle) 지표입니다. 저는 각 나라 ..

    [React] Deploy React App Using Heroku

    [React] Deploy React App Using Heroku

    Heroku is a platform as a service that enables developers to build, run and operate applications entirely in the cloud. I decided to use Heroku for my portfolio react app since it is very confident to deploy applications and I can easily update code with heroku commands. You also don't need to know complex server settings since heroku provides everything through the cloud! In order to start hero..

    39. Combination Sum - 쉬운설명 반복문 사용

    39. Combination Sum - 쉬운설명 반복문 사용

    39. Combination Sum Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may return the combinations in any order. The same number may be chosen from candidates an unlimited number of times. Two combinations are unique if the frequency of at least one of the chosen numbers is..

    171. Excel Sheet Column Number - 쉬운설명 반복문 사용

    171. Excel Sheet Column Number Given a string columnTitle that represents the column title as appear in an Excel sheet, return its corresponding column number. A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 ... Example 1: Input: columnTitle = "A" Output: 1 Example 2: Input: columnTitle = "AB" Output: 28 Example 3: Input: columnTitle = "ZY" Output: 701 계획 문제 해결 전략 컬럼타이틀을 숫자로 바꾸어주는 문제입니다. 구현 전..

    [Javascript] 13. Roman to Integer 쉬운설명 - 해시맵

    13. Roman to Integer Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, 2 is written as II in Roman numeral, just two one's added together. 12 is written as XII, which is simply X + II. The number 27 is written as XXVII, which is XX + V + II. Roman numerals are usually written largest to smallest from ..

    [JavaScript]45. Jump Game II

    [JavaScript]45. Jump Game II

    45. Jump Game II Given an array of non-negative integers nums, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at that position. Your goal is to reach the last index in the minimum number of jumps. You can assume that you can always reach the last index. Example 1: Input: nums = [2,3,1,1,4] Output: 2 Explanation: The min..

    994. Rotting Oranges 쉬운설명 BFS 사용

    994. Rotting Oranges 쉬운설명 BFS 사용

    994. Rotting Oranges You are given an m x n grid where each cell can have one of three values: 0 representing an empty cell, 1 representing a fresh orange, or 2 representing a rotten orange. Every minute, any fresh orange that is 4-directionally adjacent to a rotten orange becomes rotten. Return the minimum number of minutes that must elapse until no cell has a fresh orange. If this is impossibl..

    [JavaScript] 991. Broken Calculator 쉬운 설명

    991. Broken Calculator There is a broken calculator that has the integer startValue on its display initially. In one operation, you can: multiply the number on display by 2, or subtract 1 from the number on display. Given two integers startValue and target, return the minimum number of operations needed to display target on the calculator. Example 1: Input: startValue = 2, target = 3 Output: 2 E..

    [React] API 불러오기

    [React] API 불러오기

    API를 불러오기 앞서 axios를 먼저 react에 설치해 주어야 합니다. Axios에 대한 다큐먼트는 아래 링크에서 확인하실수 있습니다. Getting Started | Axios Docs Getting Started Promise based HTTP client for the browser and node.js What is Axios? Axios is a promise-based HTTP Client for node.js and the browser. It is isomorphic (= it can run in the browser and nodejs with the same codebase). On the server-side it u axios-http.com Axios 설치 npm i ax..