From fe5fa1141efeb7454c763dbd2645fb4ff04487a3 Mon Sep 17 00:00:00 2001
From: mzuenni <michi.zuendorf@gmail.com>
Date: Tue, 28 Mar 2023 13:25:59 +0200
Subject: merged

---
 math/lgsFp.cpp     | 2 +-
 math/permIndex.cpp | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

(limited to 'math')

diff --git a/math/lgsFp.cpp b/math/lgsFp.cpp
index 29ec849..7dcd354 100644
--- a/math/lgsFp.cpp
+++ b/math/lgsFp.cpp
@@ -12,7 +12,7 @@ void takeAll(int n, int line, ll p) {
 			mat[i][j] = (mat[i][j] + p) % p;
 }}}
 
-void gauss(int n, ll mod) { // Nx(N+1)-Matrix, Körper F_p.
+void gauss(int n, ll mod) {
 	vector<bool> done(n, false);
 	for (int i = 0; i < n; i++) {
 		int j = 0;
diff --git a/math/permIndex.cpp b/math/permIndex.cpp
index 09ff7f7..4cffc12 100644
--- a/math/permIndex.cpp
+++ b/math/permIndex.cpp
@@ -6,9 +6,8 @@ ll permIndex(vector<ll> v) {
 		x = t.order_of_key(x);
 	}
 	ll res = 0;
-	for (ll i = sz(v); i > 0; i--) {
-		res *= i;
-		res += v[i - 1];
+	for (int i = sz(v); i > 0; i--) {
+		res = res * i + v[i - 1];
 	}
 	return res;
 }
-- 
cgit v1.2.3