From 558aeeed893c98bf1851856c4effd1ac4c3722e7 Mon Sep 17 00:00:00 2001 From: mzuenni Date: Mon, 8 May 2023 11:25:47 +0200 Subject: improved binomial --- math/binomial1.cpp | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 math/binomial1.cpp (limited to 'math/binomial1.cpp') diff --git a/math/binomial1.cpp b/math/binomial1.cpp new file mode 100644 index 0000000..02b27e3 --- /dev/null +++ b/math/binomial1.cpp @@ -0,0 +1,9 @@ +ll calc_binom(ll n, ll k) { + if (k > n) return 0; + ll r = 1; + for (ll d = 1; d <= k; d++) {// Reihenfolge => Teilbarkeit + r *= n--; + r /= d; + } + return r; +} -- cgit v1.2.3