From b3e49dbbe66a654f24376752a5be88f8443ca9d3 Mon Sep 17 00:00:00 2001 From: Jinyeong Seol Date: Sat, 29 Nov 2025 23:54:34 +0900 Subject: [PATCH] =?UTF-8?q?[20251129]=20BOJ=20/=20G5=20/=20=EB=8F=99?= =?UTF-8?q?=EC=A0=84=202=20/=20=EC=84=A4=EC=A7=84=EC=98=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...\353\217\231\354\240\204 2.md\342\200\216" | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 "Seol-JY/202511/29 BOJ G5 \353\217\231\354\240\204 2.md\342\200\216" diff --git "a/Seol-JY/202511/29 BOJ G5 \353\217\231\354\240\204 2.md\342\200\216" "b/Seol-JY/202511/29 BOJ G5 \353\217\231\354\240\204 2.md\342\200\216" new file mode 100644 index 00000000..150cd214 --- /dev/null +++ "b/Seol-JY/202511/29 BOJ G5 \353\217\231\354\240\204 2.md\342\200\216" @@ -0,0 +1,33 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + StringTokenizer st = new StringTokenizer(br.readLine()); + + int n = Integer.parseInt(st.nextToken()); + int k = Integer.parseInt(st.nextToken()); + + int[] coins = new int[n]; + for (int i = 0; i < n; i++) { + coins[i] = Integer.parseInt(br.readLine().trim()); + } + + int[] dp = new int[k + 1]; + Arrays.fill(dp, Integer.MAX_VALUE); + dp[0] = 0; + + for (int i = 1; i <= k; i++) { + for (int coin : coins) { + if (coin <= i && dp[i - coin] != Integer.MAX_VALUE) { + dp[i] = Math.min(dp[i], dp[i - coin] + 1); + } + } + } + + System.out.println(dp[k] == Integer.MAX_VALUE ? -1 : dp[k]); + } +} +```