[20260214] BOJ / G5 / 호텔 / 이인희

Author: LiiNi-coder

LiiNi-coder/202602/14 BOJ 호텔.md

@@ -0,0 +1,103 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.StringTokenizer;
+
+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 C = Integer.parseInt(st.nextToken());
+		int N = Integer.parseInt(st.nextToken());
+		int[] cost = new int[N];
+		int[] people = new int[N];
+		int maxP = 0;
+		for (int i = 0; i < N; i++) {
+			st = new StringTokenizer(br.readLine());
+			cost[i] = Integer.parseInt(st.nextToken());
+			people[i] = Integer.parseInt(st.nextToken());
+			if (people[i] > maxP) {
+				maxP = people[i];
+			}
+		}
+		int target = C + maxP;
+		int[] dp = new int[target + 1];
+		int INF = 1_000_000_000;
+		for (int i = 1; i <= target; i++) {
+			dp[i] = INF;
+		}
+
+
+		dp[0] = 0;
+		for (int i = 0; i < N; i++) {
+			int p = people[i];
+			int c = cost[i];
+			for (int j = p; j <= target; j++) {
+				if (dp[j - p] + c < dp[j]) {
+					dp[j] = dp[j - p] + c;
+				}
+			}
+		}
+
+		int answer = INF;
+		for (int i = C; i <= target; i++) {
+			if (dp[i] < answer) {
+				answer = dp[i];
+			}
+		}
+		System.out.println(answer);
+	}
+}
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.StringTokenizer;
+
+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 C = Integer.parseInt(st.nextToken());
+		int N = Integer.parseInt(st.nextToken());
+		int[] cost = new int[N];
+		int[] people = new int[N];
+		int maxP = 0;
+		for (int i = 0; i < N; i++) {
+			st = new StringTokenizer(br.readLine());
+			cost[i] = Integer.parseInt(st.nextToken());
+			people[i] = Integer.parseInt(st.nextToken());
+			if (people[i] > maxP) {
+				maxP = people[i];
+			}
+		}
+		int target = C + maxP;
+		int[] dp = new int[target + 1];
+		int INF = 1_000_000_000;
+		for (int i = 1; i <= target; i++) {
+			dp[i] = INF;
+		}
+
+
+		dp[0] = 0;
+		for (int i = 0; i < N; i++) {
+			int p = people[i];
+			int c = cost[i];
+			for (int j = p; j <= target; j++) {
+				if (dp[j - p] + c < dp[j]) {
+					dp[j] = dp[j - p] + c;
+				}
+			}
+		}
+
+		int answer = INF;
+		for (int i = C; i <= target; i++) {
+			if (dp[i] < answer) {
+				answer = dp[i];
+			}
+		}
+		System.out.println(answer);
+	}
+}
+
+```