From 35d9223ea2fdbe54637180349a99a3b86b051de6 Mon Sep 17 00:00:00 2001
From: oncsr <khj20006@naver.com>
Date: Thu, 20 Mar 2025 10:29:06 +0900
Subject: [PATCH] =?UTF-8?q?[20250320]=20BOJ=20/=20G5=20/=20=EC=A3=BC?=
 =?UTF-8?q?=EC=8B=9D=20/=20=EA=B6=8C=ED=98=81=EC=A4=80?=
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---
 .../20 BOJ G5 \354\243\274\354\213\235.md"    | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 "khj20006/202503/20 BOJ G5 \354\243\274\354\213\235.md"

diff --git "a/khj20006/202503/20 BOJ G5 \354\243\274\354\213\235.md" "b/khj20006/202503/20 BOJ G5 \354\243\274\354\213\235.md"
new file mode 100644
index 00000000..b6ef9bc9
--- /dev/null
+++ "b/khj20006/202503/20 BOJ G5 \354\243\274\354\213\235.md"	
@@ -0,0 +1,82 @@
+```java
+
+import java.util.*;
+import java.io.*;
+
+class Main {
+	
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st = new StringTokenizer("");
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static String nextToken() throws Exception {
+		if(!st.hasMoreTokens()) nextLine();
+		return st.nextToken();
+	}
+	static int nextInt() throws Exception { return Integer.parseInt(nextToken()); }
+	static long nextLong() throws Exception { return Long.parseLong(nextToken()); }
+	static double nextDouble() throws Exception { return Double.parseDouble(nextToken()); }
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	
+	static int N, M, K;
+	static long[] p;
+	static long ans;
+	
+	public static void main(String[] args) throws Exception {
+		
+		ready();
+		solve();
+	
+		bwEnd();
+		
+	}
+	
+	static void ready() throws Exception{
+		
+		N = nextInt();
+		M = nextInt();
+		K = nextInt()+1;
+		p = new long[N];
+		for(int i=0;i<N;i++) p[i] = nextInt();
+		
+	}
+	
+	static void solve() throws Exception{
+
+		ans = M;
+		bck(M,0,0,0);
+		bw.write(ans + "\n");
+
+	}
+	
+	static void bck(long curMoney, long borrow, long count, int day) {
+		if(day == N) {
+			ans = Math.max(ans, curMoney);
+			return;
+		}
+		if(count > 0) {
+			bck(curMoney, borrow, count, day+1);
+			long benefit = count * p[day];
+			curMoney += benefit;
+			ans = Math.max(ans, curMoney);
+			curMoney -= borrow;
+			if(curMoney < 0) return;
+			borrow = 0;
+			count = 0;
+		}
+		bck(curMoney, borrow, count, day+1);
+		borrow = curMoney * (K-1);
+		curMoney *= K;
+		count = curMoney / p[day];
+		curMoney -= count * p[day];
+		if(count > 0) bck(curMoney, borrow, count, day+1);
+		
+	}
+	
+}
+
+```