BOJ_12865 : 평범한 배낭

Author: spring0913

week13/BOJ_12865(평범한 배낭).java

@@ -0,0 +1,33 @@
+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());
+        // d[i][무게] = i번째 보급품에서의 최대 가치
+        int[][] d = new int[N+1][K+1];
+        int[] w = new int[N+1];
+        int[] v = new int[N+1];
+        for(int i=1; i<=N; i++) {
+            st = new StringTokenizer(br.readLine());
+            // 무게
+            w[i] = Integer.parseInt(st.nextToken());
+            // 가치
+            v[i] = Integer.parseInt(st.nextToken());
+        }
+        for(int i=1; i<=N; i++) {
+            for(int j=1; j<=K; j++) {
+                if(j-w[i] >= 0) {
+                    d[i][j] = Math.max(d[i-1][j], d[i-1][j-w[i]] + v[i]);
+                }else {
+                    d[i][j] = d[i-1][j];
+                }
+            }
+        }
+        System.out.println(d[N][K]);
+    }
+}