2023 solutions

1 files changed, 65 insertions, 0 deletions

diff --git a/2023/day1/solve2.py b/2023/day1/solve2.py
new file mode 100644
index 0000000..e545cf3
--- /dev/null
+++ b/2023/day1/solve2.py
@@ -0,0 +1,65 @@
+def main():
+    final_value = 0
+    text_digits = {
+        "one": "1",
+        "two": "2",
+        "three": "3",
+        "four": "4",
+        "five": "5",
+        "six": "6",
+        "seven": "7",
+        "eight": "8",
+        "nine": "9"
+    }
+
+    with open("input", "r") as f:
+        for line in f:
+            line_strip = line.strip()
+            calibration_value = ""
+
+            text_digit_pos_first = -1
+            text_digit_value_first = None
+            for elem in text_digits.keys():
+                pos = line_strip.find(elem)
+                if pos >= 0:
+                    if text_digit_pos_first == -1 or pos < text_digit_pos_first:
+                        text_digit_pos_first = pos
+                        text_digit_value_first = text_digits[elem]
+
+            text_digit_pos_last = -1
+            text_digit_value_last = None
+            for elem in text_digits.keys():
+                pos = line_strip.rfind(elem)
+                if pos >= 0:
+                    if pos > text_digit_pos_last:
+                        text_digit_pos_last = pos
+                        text_digit_value_last = text_digits[elem]
+
+            for index, char in enumerate(line_strip):
+                if text_digit_pos_first != -1 and index >= text_digit_pos_first:
+                    calibration_value += text_digit_value_first
+                    break
+
+                if char.isdigit():
+                    calibration_value += char
+                    break
+
+            index = len(line_strip)
+            for char in reversed(line_strip):
+                index -= 1
+
+                if text_digit_pos_last != -1 and index <= text_digit_pos_last:
+                    calibration_value += text_digit_value_last
+                    break
+
+                if char.isdigit():
+                    calibration_value += char
+                    break
+
+            final_value += int(calibration_value)
+
+    print(final_value)
+
+
+if __name__ == '__main__':
+    main()