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-rw-r--r--math/binomial.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/math/binomial.cpp b/math/binomial.cpp
index a8f1561..9605820 100644
--- a/math/binomial.cpp
+++ b/math/binomial.cpp
@@ -1,8 +1,8 @@
// Laufzeit: O(k)
-ll calc_binom(ll n, ll k) {
+ll calc_binom(ll n, ll k) { // Sehr sicher gegen Overflows.
ll r = 1, d;
if (k > n) return 0;
- for (d = 1; d <= k; d++) {
+ for (d = 1; d <= k; d++) { // Reihenfolge garantiert Teilbarkeit.
r *= n--;
r /= d;
}