Feat:Add solution of #118

src/BaekJoon/sa11k/11050/Main.java

@@ -0,0 +1,24 @@
+import java.io.*;
+import java.util.*;
+
+class Main {
+
+    public static void main(String[] args) throws Exception {
+        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());
+
+        System.out.println(fac(N)/(fac(N-K)*fac(K)));
+
+        br.close();
+    }
+
+    public static int fac(int n){
+        int f = 1;
+        for(int i = 1; i<=n; i++){
+            f*=i;
+        }
+        return f;
+    }
+}