From 17d6a4cb508cc9d5aa806a1e1df24bdd14621e41 Mon Sep 17 00:00:00 2001
From: Federico Igne <undyamon@disroot.org>
Date: Fri, 1 Dec 2023 23:56:13 +0100
Subject: aoc(2301): Trebuchet?!

---
 2023/01/src/part1.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 2023/01/src/part1.cpp

(limited to '2023/01/src/part1.cpp')

diff --git a/2023/01/src/part1.cpp b/2023/01/src/part1.cpp
new file mode 100644
index 0000000..3034d43
--- /dev/null
+++ b/2023/01/src/part1.cpp
@@ -0,0 +1,37 @@
+#include <iostream>
+#include <fstream>
+
+template<typename Iter>
+int search(Iter from, Iter to)
+{
+    while(from < to)
+    {
+        char c = *(from++);
+        if (std::isdigit(c))
+        {
+            return c - '0';
+        }
+    }
+    return 0;
+}
+
+int main(void)
+{
+    int answer{};
+
+    std::ifstream input{ "./resources/input.txt" };
+    if (input)
+    {
+        std::string line;
+        while(not std::getline(input, line).eof())
+        {
+            answer += 10 * search(line.begin(), line.end());
+            answer += search(line.rbegin(), line.rend());
+        }
+
+    }
+    input.close();
+
+    std::cout << answer << std::endl;
+    return 0;
+}
-- 
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