[20250916] BOJ / G4 / 동전 1 / 이강현

Author: lkhyun

lkhyun/202509/16 BOJ G4 동전 1.md

@@ -0,0 +1,33 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    static StringTokenizer st;
+
+    public static void main(String[] args) throws IOException {
+        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];
+        dp[0] = 1;
+        
+        for (int coin : coins) {
+            for (int i = coin; i <= k; i++) {
+                dp[i] += dp[i - coin];
+            }
+        }
+        
+        bw.write(dp[k] + "\n");
+        bw.close();
+    }
+}
+```