[20250804] BOJ / G5 / 수강 과목 / 이강현

Author: lkhyun

lkhyun/202508/04 BOJ G5 수강 과목.md

@@ -0,0 +1,39 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class Main{
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    static StringTokenizer st;
+    static int N,K;
+    static int[] prior;
+    static int[] studyTime;
+    static int[] dp;
+
+    public static void main(String[] args) throws Exception {
+        st = new StringTokenizer(br.readLine());
+        N = Integer.parseInt(st.nextToken());
+        K = Integer.parseInt(st.nextToken());
+        prior = new int[K];
+        studyTime = new int[K];
+        dp = new int[N+1];
+
+        for (int i = 0; i < K; i++) {
+            st = new StringTokenizer(br.readLine());
+            int I = Integer.parseInt(st.nextToken());
+            int T = Integer.parseInt(st.nextToken());
+            prior[i] = I;
+            studyTime[i] = T;
+        }
+
+        for (int i = 0; i < K; i++) {
+            for (int j = N; j >= studyTime[i]; j--) {
+                dp[j] = Math.max(dp[j],dp[j-studyTime[i]]+prior[i]);
+            }
+        }
+        bw.write(dp[N]+"");
+        bw.close();
+    }
+}
+```