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| author | mzuenni <michi.zuendorf@gmail.com> | 2023-05-08 11:25:47 +0200 |
|---|---|---|
| committer | mzuenni <michi.zuendorf@gmail.com> | 2023-05-08 11:25:47 +0200 |
| commit | 558aeeed893c98bf1851856c4effd1ac4c3722e7 (patch) | |
| tree | c7adc9830e0313bc3dccf3caf4764bbe3a6ca13f /math/binomial1.cpp | |
| parent | 799d0212b6cd222ab78ba3a4a63f867f1bb9c143 (diff) | |
improved binomial
Diffstat (limited to 'math/binomial1.cpp')
| -rw-r--r-- | math/binomial1.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
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; +} |