From 545265f2f3992e15c45f1bbb99e04a27e1fc7856 Mon Sep 17 00:00:00 2001
From: mzuenni <michi.zuendorf@gmail.com>
Date: Sun, 30 Jun 2024 00:26:10 +0200
Subject: improvements

---
 math/inversions.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'math/inversions.cpp')

diff --git a/math/inversions.cpp b/math/inversions.cpp
index 051408c..9e47f9b 100644
--- a/math/inversions.cpp
+++ b/math/inversions.cpp
@@ -1,5 +1,5 @@
 ll inversions(const vector<ll>& v) {
-	Tree<pair<ll, ll>> t; //ordered statistics tree
+	Tree<pair<ll, ll>> t; //ordered statistics tree @\sourceref{datastructures/pbds.cpp}@
 	ll res = 0;
 	for (ll i = 0; i < sz(v); i++) {
 		res += i - t.order_of_key({v[i], i});
-- 
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