From 4c1516ef33d850c6cd834a1d65cb12884e0bf50c Mon Sep 17 00:00:00 2001 From: ji-junhyuk Date: Sat, 21 Jan 2023 14:00:09 +0900 Subject: [PATCH] =?UTF-8?q?feat:=20solve=2011050,=20=EC=9D=B4=ED=95=AD?= =?UTF-8?q?=EA=B3=84=EC=88=981(math-binomial=20coefficient,=20b1,=2010m)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- junji/math/11050.cpp | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 junji/math/11050.cpp diff --git a/junji/math/11050.cpp b/junji/math/11050.cpp new file mode 100644 index 0000000..6755693 --- /dev/null +++ b/junji/math/11050.cpp @@ -0,0 +1,32 @@ +#include +#include +#include +#include +#include +#include +#include +using namespace std; + +int N, K; + +void get_input() +{ + cin >> N >> K; + + int ans = 1; + for (int i = 1; i <= N; ++i) + ans *= i; + for (int i = 1; i <= K; ++i) + ans /= i; + for (int i = 1; i <= (N - K); ++i) + ans /= i; + cout << ans; +} + +int main(void) +{ + ios::sync_with_stdio(false); + cin.tie(NULL); + + get_input(); +}