From 3a5b1515b5dff330afbf204b4261c8225a8b1d48 Mon Sep 17 00:00:00 2001 From: sa11k Date: Tue, 2 Aug 2022 20:55:00 +0900 Subject: [PATCH] Feat:Add solution of #118 --- src/BaekJoon/sa11k/11050/Main.java | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/BaekJoon/sa11k/11050/Main.java diff --git a/src/BaekJoon/sa11k/11050/Main.java b/src/BaekJoon/sa11k/11050/Main.java new file mode 100644 index 0000000..cbd1ee6 --- /dev/null +++ b/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; + } +} \ No newline at end of file