2023: d01: ex2: add solution

2023/d01/ex1/ex1.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+import sys
+
+
+def solve(input: list[str]) -> int:
+    def value(line: str) -> int:
+        digits = [int(c) for c in line if c.isdigit()]
+        return digits[0] * 10 + digits[-1]
+
+    return sum(value(line) for line in input)
+
+
+def main() -> None:
+    input = sys.stdin.read().splitlines()
+    print(solve(input))
+
+
+if __name__ == "__main__":
+    main()

2023/d01/ex2/ex2.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+
+import sys
+
+
+def solve(input: list[str]) -> int:
+    def extract_digits(line: str) -> list[int]:
+        # Just do a search and replace to simplify our  lives
+        digits = {
+            "one": 1,
+            "two": 2,
+            "three": 3,
+            "four": 4,
+            "five": 5,
+            "six": 6,
+            "seven": 7,
+            "eight": 8,
+            "nine": 9,
+        }
+        # The solution expects "sevenine" to translate to 79, so keep first/last character
+        # as a work-around.
+        for word, value in digits.items():
+            line = line.replace(word, word[0] + str(value) + word[-1])
+        return [int(c) for c in line if c.isdigit()]
+
+    def value(line: str) -> int:
+        digits = extract_digits(line)
+        return digits[0] * 10 + digits[-1]
+
+    return sum(value(line) for line in input)
+
+
+def main() -> None:
+    input = sys.stdin.read().splitlines()
+    print(solve(input))
+
+
+if __name__ == "__main__":
+    main()

flake.lock

@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1668681692,
-        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
         "type": "github"
       },
       "original": {
@@ -17,17 +17,20 @@
       }
     },
     "futils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
         "type": "github"
       },
       "original": {
         "owner": "numtide",
-        "ref": "master",
+        "ref": "main",
         "repo": "flake-utils",
         "type": "github"
       }
@@ -55,11 +58,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1669809720,
-        "narHash": "sha256-RMT77f6CPOYtLLQ2esj+EJ1BPVWxf4RDidjrSvA5OhI=",
+        "lastModified": 1701336116,
+        "narHash": "sha256-kEmpezCR/FpITc6yMbAh4WrOCiT2zg5pSjnKrq51h5Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "227de2b3bbec142f912c09d5e8a1b4e778aa54fb",
+        "rev": "f5c27c6136db4d76c30e533c20517df6864c46ee",
         "type": "github"
       },
       "original": {
@@ -84,11 +87,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1669829516,
-        "narHash": "sha256-laWMD/TZzyrulu8xLNoSPertXOxjRD7BrcAVwKl+NyQ=",
+        "lastModified": 1700922917,
+        "narHash": "sha256-ej2fch/T584b5K9sk1UhmZF7W6wEfDHuoUYpFN8dtvM=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "471c7f1ecace25e39099206431300322632d25c4",
+        "rev": "e5ee5c5f3844550c01d2131096c7271cec5e9b78",
         "type": "github"
       },
       "original": {
@@ -104,6 +107,21 @@
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -6,7 +6,7 @@
       type = "github";
       owner = "numtide";
       repo = "flake-utils";
-      ref = "master";
+      ref = "main";
     };
 
     nixpkgs = {