From c49e3baa396ea04a7c85ae7080cd788a7e034854 Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fischer@muhq.space>
Date: Sat, 13 Jan 2024 17:32:19 +0100
Subject: add grid never used last year since I found my snakes and ladders
 board

---
 Mathe/22_23/07/14/.gitignore |  1 +
 Mathe/22_23/07/14/grid.tex   | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 Mathe/22_23/07/14/.gitignore
 create mode 100644 Mathe/22_23/07/14/grid.tex

diff --git a/Mathe/22_23/07/14/.gitignore b/Mathe/22_23/07/14/.gitignore
new file mode 100644
index 00000000..e790b789
--- /dev/null
+++ b/Mathe/22_23/07/14/.gitignore
@@ -0,0 +1 @@
+grid.pdf
diff --git a/Mathe/22_23/07/14/grid.tex b/Mathe/22_23/07/14/grid.tex
new file mode 100644
index 00000000..5356183d
--- /dev/null
+++ b/Mathe/22_23/07/14/grid.tex
@@ -0,0 +1,16 @@
+\documentclass[tikz]{standalone}
+
+\usepackage{ifthen}
+\usepackage{intcalc}
+
+\begin{document}
+\begin{tikzpicture}
+  \pgfkeys{/pgf/number format/.cd,fixed,precision=0}
+  \draw[gray,step=2cm] (0,0) grid (20cm, 20cm) rectangle (0, 0);
+
+  \foreach \y in {1,...,10}
+    \foreach \x in {1,...,10}
+        \pgfmathsetmacro{\p}{ifthenelse(\intcalcMod{\y}{2}==1, \x + (\y - 1) * 10, 10 * \y - \x + 1)}
+        \node at (\x * 2cm - 1cm, \y * 2cm - 1cm) { \pgfmathprintnumber{\p} };
+\end{tikzpicture}
+\end{document}
-- 
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