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🧷 문제 링크
https://www.acmicpc.net/problem/9019
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
10000미만의 양의 정수에 대하여 4가지 연산을 진행할때 특정 값을 만드는 가장 적은 연산을 출력
🔍 풀이 방법
BFS
⏳ 회고
6초나 주니까 각각의 연산을 매 순간 모두 진행하고 같아질 때 break
BFS로 최소 길이로 만들어지는 게 보장되니까 매 순간 어떤 연산을 통해 만들었는지를 연결하고
마지막에 거꾸로 출력했음.