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🧷 문제 링크
https://www.acmicpc.net/problem/1644
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
연속된 소수의 합으로 N을 나타낼 수 있는 경우의 수 구하기
🔍 풀이 방법
1~N까지 isPrime배열을 생성해서 에라토스테네스의 체를 이용해서 소수여부를 미리 저장해둔다.
이후, 투포인터를 이용해서 더해줄 소수의 범위를 조절해줬다.
⏳ 회고
예외처리를 조금 더 신경써야겠다.