자릿수 더하기

문제 설명

자연수 N이 주어지면, N의 각 자릿수의 합을 구해서 return 하는 solution 함수를 만들어 주세요.

예를들어 N = 123이면 1 + 2 + 3 = 6을 return 하면 됩니다.

Day 22: Binary Search Trees

Objective

Today, we’re working with Binary Search Trees (BSTs). Check out the Tutorial tab for learning materials and an instructional video!

Day 21: Generics

Objective

Today we’re discussing Generics; be aware that not all languages support this construct, so fewer languages are enabled for this challenge. Check out the Tutorial tab for learning materials and an instructional video!

Day 20: Sorting

Objective

Today, we’re discussing a simple sorting algorithm called Bubble Sort. Check out the Tutorial tab for learning materials and an instructional video!

이상한 문자 만들기

문제 설명

문자열 s는 한 개 이상의 단어로 구성되어 있습니다. 각 단어는 하나 이상의 공백문자로 구분되어 있습니다.

각 단어의 짝수번째 알파벳은 대문자로, 홀수번째 알파벳은 소문자로 바꾼 문자열을 리턴하는 함수, solution을 완성하세요.

Day 19: Interfaces

Objective

Today, we’re learning about Interfaces. Check out the Tutorial tab for learning materials and an instructional video!

Day 18: Queues and Stacks

Welcome to Day 18! Today we’re learning about Stacks and Queues. Check out the Tutorial tab for learning materials and an instructional video!

Day 17: More Exceptions

Objective

Yesterday’s challenge taught you to manage exceptional situations by using try and catch blocks. In today’s challenge, you’re going to practice throwing and propagating an exception. Check out the Tutorial tab for learning materials and an instructional video!

약수의 합

문제 설명

자연수 n을 입력받아 n의 약수를 모두 더한 값을 리턴하는 함수, solution을 완성해주세요.

Day 16: Exceptions - String to Integer

Objective

Today, we’re getting started with Exceptions by learning how to parse an integer from a string and print a custom error message. Check out the Tutorial tab for learning materials and an instructional video!

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