[20251210] BOJ / G5 / Coins / 강신지

Author: ksinji

ksinji/202512/10 BOJ Coins.md

@@ -0,0 +1,40 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringBuilder sb = new StringBuilder();
+
+        int t = Integer.parseInt(br.readLine());
+
+        while (t-- > 0) {
+            int n = Integer.parseInt(br.readLine());
+            int[] coin = new int[n];
+
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            for (int i = 0; i < n; i++) {
+                coin[i] = Integer.parseInt(st.nextToken());
+            }
+
+            int m = Integer.parseInt(br.readLine());
+
+            int[] dp = new int[m + 1];
+            dp[0] = 1;
+
+            for (int i = 0; i < n; i++) {
+                int c = coin[i];
+                for (int money = c; money <= m; money++) {
+                    dp[money] += dp[money - c];
+                }
+            }
+
+            sb.append(dp[m]).append('\n');
+        }
+
+        System.out.print(sb);
+    }
+}
+
+```