백준/15989번/1,2,3 더하기 4/골드5
Problem Link: https://www.acmicpc.net/problem/15989
Problem Link: https://www.acmicpc.net/problem/15989
1.1 - 프로그램과 프로세스
형식 영역 - Type Deduction
Problem Link: https://school.programmers.co.kr/learn/courses/30/lessons/60057
Problem Link: https://school.programmers.co.kr/learn/courses/30/lessons/142085