[20251012] BOJ / G5 / 다이어트 / 이강현 #1098
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
🧷 문제 링크
https://www.acmicpc.net/problem/1484
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
G가 주어짐.
G는 성원이의 현재 몸무게의 제곱에서 기억하고 있는 몸무게의 제곱을 뺀것임.
이때 가능한 현재 몸무게를 모두 출력.
🔍 풀이 방법
수학
(x-y)(x+y) = G라는 공식인데
G의 약수를 구하기
이때 x와 y각각이 자연수가 되려면 x-y와 x+y가 짝수가 되어야 한다.
⏳ 회고
x와 y각각이 자연수가 되려면 x-y와 x+y가 짝수여야 한다는것을 몰라서 못풀었다.