From 939e434ae205af10cccb4ce8e4103e9ec3f1e7a1 Mon Sep 17 00:00:00 2001
From: mzuenni <michi.zuendorf@gmail.com>
Date: Wed, 12 Feb 2025 11:11:10 +0100
Subject: added comment

---
 content/graph/euler.cpp |   4 ++--
 tcr.pdf                 | Bin 703218 -> 699076 bytes
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/content/graph/euler.cpp b/content/graph/euler.cpp
index 0b39f53..e81cebe 100644
--- a/content/graph/euler.cpp
+++ b/content/graph/euler.cpp
@@ -1,4 +1,4 @@
-vector<vector<pair<int, int>>> adj;
+vector<vector<pair<int, int>>> adj; // gets destroyed!
 vector<int> cycle;
 
 void addEdge(int u, int v) {
@@ -10,7 +10,7 @@ void euler(int v) {
 	while (!adj[v].empty()) {
 		auto [u, rev] = adj[v].back();
 		adj[v].pop_back();
-		if (u == -1) continue; // remove for directed
+		if (u < 0) continue; // remove for directed
 		adj[u][rev].first = -1; // remove for directed
 		euler(u);
 	}
diff --git a/tcr.pdf b/tcr.pdf
index 2aa3284..34cf09c 100644
Binary files a/tcr.pdf and b/tcr.pdf differ
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