0911

djs02027 · djs02027 · commit efc8e12087eb · 2022-09-12T00:11:32.000+09:00
diff --git a/BOJ/gold/BOJ2294/src/Main.java b/BOJ/gold/BOJ2294/src/Main.java
@@ -1,5 +1,34 @@
+import java.util.Arrays;
+import java.util.Scanner;
+
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        Scanner sc =new Scanner(System.in);
+        int N = sc.nextInt();
+        int K = sc.nextInt();
+        int [] dp = new int [K+1];
+        Arrays.fill(dp,10001);
+        int [] coinList = new int[N];
+        for (int i=0; i<N;i++){
+            int coin = sc.nextInt();
+            coinList[i]=coin;
+
+        }
+
+        dp[0]=0;
+
+        for (int i=0; i< coinList.length; i++){
+            for(int j=coinList[i]; j<K+1; j++){
+                dp[j]=Math.min(dp[j],dp[j-coinList[i]]+1);
+
+            }
+        }
+        if (dp[K]==10001){
+            System.out.println(-1);
+        }else {
+            System.out.println(dp[K]);
+        }
+
+
     }
 }
