[20250621] BOJ / G4 / 호텔 / 김수연

suyeun84/202506/21 BOJ G4 호텔.md

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+```java
+import java.io.*;
+import java.util.*;
+
+public class boj1106 {
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static StringTokenizer st;
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+
+	public static void main(String[] args) throws Exception {
+		nextLine();
+		int C = nextInt();
+		int N = nextInt();
+		int[] dp = new int[C+100];
+		int answer = Integer.MAX_VALUE;
+		Arrays.fill(dp, Integer.MAX_VALUE);
+		dp[0] = 0;
+		for (int i = 0; i < N; i++) {
+			nextLine();
+			int cost = nextInt();
+			int num = nextInt();
+			for (int j = num; j < C+100; j++) {
+				if (dp[j - num] != Integer.MAX_VALUE) {
+					dp[j] = Math.min(dp[j], dp[j-num] + cost);
+				}
+			}
+		}
+		for (int i = C; i < C+100; i++) answer = Math.min(answer, dp[i]);
+		System.out.println(answer);
+	}
+}
+```