[20251129] BOJ / G5 / 동전 2 / 설진영 #1546
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🧷 문제 링크
https://www.acmicpc.net/problem/2294
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
n가지 동전으로 가치 합이 k원이 되도록 할 때, 사용하는 동전 개수의 최솟값을 구하는 문제
각 동전은 무제한 사용 가능
🔍 풀이 방법
DP로 품
dp[i] = 가치 i를 만드는 데 필요한 최소 동전 개수
dp[i] = min(dp[i], dp[i - coin] + 1)
dp[0] = 0
⏳ 회고
dp 기본문제