From 500ac1e618410ac453fa4fe83e2348cad8c2418f Mon Sep 17 00:00:00 2001 From: mzuenni Date: Sat, 22 Jun 2024 21:12:39 +0200 Subject: fix --- math/binomial0.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'math/binomial0.cpp') diff --git a/math/binomial0.cpp b/math/binomial0.cpp index d9af917..896a0f1 100644 --- a/math/binomial0.cpp +++ b/math/binomial0.cpp @@ -10,5 +10,5 @@ void precalc() { ll calc_binom(ll n, ll k) { if (n < 0 || n < k || k < 0) return 0; - return (fac[n] * fac[n-k] % mod) * fac[k] % mod; + return (inv[n] * inv[n-k] % mod) * fac[k] % mod; } -- cgit v1.2.3