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🧷 문제 링크
https://www.acmicpc.net/problem/7490
🧭 풀이 시간
5분
👀 체감 난이도
✏️ 문제 설명
수열 1 2 3 ... N 사이에 공백 or 더하기 or 빼기를 삽입했을 때 결과가 0이 되는 경우의 식을 모두 사전순으로 출력해보자.
🔍 풀이 방법
재귀 + 완탐으로 직접 식을 문자열 형태로 만들고, python의 eval함수로 값이 0인지 확인해줬다.
⏳ 회고
eval은 사기인 것 같다