From 7aa8eaec3205f2f70877d3735fb5fad91a062a56 Mon Sep 17 00:00:00 2001
From: Tobias Reisinger <tobias@msrg.cc>
Date: Sat, 2 Dec 2023 03:26:37 +0100
Subject: [PATCH] Add 2021-1

---
 1/input       | 2000 +++++++++++++++++++++++++++++++++++++++++++++++++
 1/solution.py |   20 +
 2 files changed, 2020 insertions(+)
 create mode 100644 1/input
 create mode 100755 1/solution.py

diff --git a/1/input b/1/input
new file mode 100644
index 0000000..42906ab
--- /dev/null
+++ b/1/input
@@ -0,0 +1,2000 @@
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diff --git a/1/solution.py b/1/solution.py
new file mode 100755
index 0000000..d06720b
--- /dev/null
+++ b/1/solution.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+def get_positive_changes(values):
+    count = 0
+
+    for i in range(1, len(values)):
+        if int(values[i - 1]) < int(values[i]):
+            count += 1
+    return count
+
+if __name__ == '__main__':
+    f = open("input", "r")
+    values = f.readlines()
+    print('1. solution:', get_positive_changes(values))
+
+    new_values = []
+    for i in range(2, len(values)):
+        new_values.append(int(values[i]) + int(values[i-1]) + int(values[i-2]))
+
+    print('2. solution:', get_positive_changes(new_values))