From 710b64d2ee78974dd6cba4f302edc3486cba0dba Mon Sep 17 00:00:00 2001
From: Arthur <arthur.tutur@laposte.net>
Date: Sun, 10 Dec 2023 15:40:25 +0100
Subject: [PATCH] d09 part one

---
 d09/exemple1.txt |  3 +++
 d09/run1.py      | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 d09/exemple1.txt
 create mode 100644 d09/run1.py

diff --git a/d09/exemple1.txt b/d09/exemple1.txt
new file mode 100644
index 0000000..70c5595
--- /dev/null
+++ b/d09/exemple1.txt
@@ -0,0 +1,3 @@
+0 3 6 9 12 15
+1 3 6 10 15 21
+10 13 16 21 30 45
\ No newline at end of file
diff --git a/d09/run1.py b/d09/run1.py
new file mode 100644
index 0000000..9f7195f
--- /dev/null
+++ b/d09/run1.py
@@ -0,0 +1,20 @@
+import sys
+
+L = sys.stdin.read().splitlines()
+S = 0
+for report in L:
+    l = [int(r) for r in report.split(' ')]
+    m = list(l)
+    latest=[]
+    latest.append(m[-1])
+
+    while not all(v == 0 for v in l):
+        m = []
+        for i in range(0,len(l)-1):
+            m.append(l[i+1] - l[i])
+            
+        latest.append(m[-1])
+        l = list(m)
+    S+=sum(latest)
+
+print(S)
\ No newline at end of file