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🧷 문제 링크
https://www.acmicpc.net/problem/1344
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
축구를 하는 2개의 팀이 5분마다 득점할 확률이 주어졌을 때
경기가 종료 되었을 때 적어도 한 팀이 소수만큼 득점을 했을 확률을 구하는 문제입니다.
🔍 풀이 방법
각 팀별로 소수가 아닌 득점을 했을 확률을 구한 후에
1 - 팀1 소수가 아닐확률 * 팀2 소수가 아닐확률 해서 구했습니다.
구하는 과정은 각각 조합을 통해서 구했습니다.
⏳ 회고
풀고 나니깐 자바인데도 파이썬이 더 빠른 경우가 있어서 찾아봤는데
DP로 풀 수 있는 경우가 있었습니다.