[20250908] BOJ / G4 / 동전 1 / 이인희

Author: LiiNi-coder

LiiNi-coder/202509/08 BOJ 동전 1.md

@@ -0,0 +1,35 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.StringTokenizer;
+
+public class Main {
+    private static BufferedReader br;
+
+    public static void main(String[] args) throws IOException {
+        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());
+        int[] coins = new int[n];
+        for (int i = 0; i < n; i++) {
+            coins[i] = Integer.parseInt(br.readLine());
+        }
+        int[] dp = new int[k + 1];
+        Arrays.fill(dp, 0);
+        
+        dp[0] = 1;
+
+        for (int coin : coins) {
+            if (coin > k) continue;
+            for (int j = coin; j <= k; j++) {
+                dp[j] += dp[j - coin];
+            }
+        }
+
+        System.out.println(dp[k]);
+    }
+}
+```