IT/Programming

[HackerRank] Day 4: Class vs. Instance

Objective In this challenge, we're going to learn about the difference between a class and an instance; because this is an Object Oriented concept, it's only enabled in certain languages. Check out the Tutorial tab for learning materials and an instructional video! Task Write a Person class with an instance variable, age, and a constructor that takes an integer, initialAge, as a parameter. The c..

2023. 4. 17. 10:26
IT/Programming

[HackerRank] Day 3: Intro to Conditional Statements

Objective In this challenge, we're getting started with conditional statements. Check out the Tutorial tab for learning materials and an instructional video! Task Given an integer, n, perform the following conditional actions: If is odd, print Weird If is even and in the inclusive range of 2 to 5, print Not Weird If is even and in the inclusive range of 6 to 20, print Weird If is even and greate..

2023. 4. 17. 10:25
IT/Programming

[HackerRank] Day 2: Operators

Objective In this challenge, you'll work with arithmetic operators. Check out the Tutorial tab for learning materials and an instructional video! Task Given the meal price (base cost of a meal), tip percent (the percentage of the meal price being added as tip), and tax percent (the percentage of the meal price being added as tax) for a meal, find and print the meal's total cost. Note: Be sure to..

2023. 4. 17. 10:24
IT/Programming

[HackerRank] Day 1: Data Types

Objective Today, we're discussing data types. Check out the Tutorial tab for learning materials and an instructional video! Task Complete the code in the editor below. The variables , , and are already declared and initialized for you. You must: Declare variables: one of type int, one of type double, and one of type String. Read lines of input from stdin (according to the sequence given in the I..

2023. 4. 17. 10:22
IT/Programming

[HackerRank] Day 0: Hello, World.

Objective In this challenge, we review some basic concepts that will get you started with this series. You will need to use the same (or similar) syntax to read input and write output in challenges throughout HackerRank. Check out the Tutorialtab for learning materials and an instructional video! Task To complete this challenge, you must save a line of input from stdin to a variable, print Hello..

2023. 4. 17. 10:21
IT/Programming

[백준, Python] 7567번 그릇

그릇 성공 https://www.acmicpc.net/problem/7567 시간 제한메모리 제한제출정답맞힌 사람정답 비율 1 초 128 MB 11988 8356 7300 71.303% 문제 그릇을 바닥에 놓았을 때 그 높이는 10cm 이다. 그런데 두 개의 그릇을 같은 방향으로 포개면 그 높이는 5cm만 증가된다. 만일 그릇이 서로 반대방향으로 쌓이면 높이는 그릇만큼, 즉 10cm 늘어난다. 그릇을 괄호 기호로 나타내어 설명해보자. 편의상 그릇이 쌓여지는 방향은 왼쪽에서 오른쪽이라고 가정한다. 그림에서 ‘(’은 그릇이 바닥에 바로 놓인 상태를 나타내며, ‘)’은 그릇이 거꾸로 놓인 상태를 나타낸다. 만일 그릇이 포개진 모양이 ((((와 같다면 전체의 높이는 25cm가 된다. 왜냐하면 처음 바닥에 있는 ..

2022. 8. 17. 10:12
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