Problem 012

problem_012/solution.py

@@ -0,0 +1,101 @@
+# Extra header to ensure that tests can run individually and as a suite
+#  -------------------------------------------------------------------
+import sys
+from pathlib import Path
+# Add the project root folder to the Python path
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+#  -------------------------------------------------------------------
+
+# Now you can import your wrapper
+from test_runner.wrapper import run_tests
+
+class Solution:
+    def intToRoman(self, num: int) -> str:
+        int_str = str(num)
+        int_order = len(int_str)
+        retval = ""
+        for char in int_str:
+            if(char != "0"):
+                retval += self.convert_character(char, 10**(int_order-1))
+            # else the next character is 0 so don't do anything
+            int_order = int_order - 1
+        return retval
+
+    def convert_character(self, char: str, multiple: int):
+        intermediate = ""
+        retval = ""
+        match char:
+            case '1':
+                intermediate = "I"
+            case '2':
+                intermediate = "II"
+            case '3':
+                intermediate = "III"
+            case '4':
+                intermediate = "IV"
+            case '5':
+                intermediate = "V"
+            case '6':
+                intermediate = "VI"
+            case '7':
+                intermediate = "VII"
+            case '8':
+                intermediate = "VIII"
+            case '9':
+                intermediate = "IX"
+            # case '0':
+            #     intermediate = "X"
+            #     # Skip returning anything if we are handling the lowest power (aka handle when we have a 0 in the last digit)
+            #     if(multiple == 1):
+            #         return ""
+            case _:
+                print("error, a character that is not 0 to 9 was processed somehow...")
+        # Now convert the number to the proper scale
+        for char in intermediate:
+            match char:
+                case "I":
+                    match multiple:
+                        case 1:
+                            char = "I"
+                        case 10:
+                            char = "X"
+                        case 100:
+                            char = "C"
+                        case 1000:
+                            char = "M"
+                        case _:
+                            print("multiple too high case 1")
+                case "V":
+                    match multiple:
+                        case 1:
+                            char = "V"
+                        case 10:
+                            char = "L"
+                        case 100:
+                            char = "D"
+                        case _:
+                            print("multiple too high case 2")
+                case "X":
+                    match multiple:
+                        case 1:
+                            char = "X"
+                        case 10:
+                            char = "C"
+                        case 100:
+                            char = "M"
+                case _:
+                    print("error case 2")
+            retval += char
+
+        return retval
+
+
+if __name__ == "__main__":
+    # Get the directory where this solution.py script lives
+    script_dir = Path(__file__).parent
+
+    # Join the script's directory with the JSON filename to create a full path
+    # Make sure your file is actually named "test_inputs.json"!
+    test_file_path = script_dir / "test_inputs.json"
+
+    run_tests(Solution, test_file_path)

problem_012/test_inputs.json

@@ -0,0 +1,25 @@
+{
+    "method": "intToRoman",
+    "tests": [
+        {
+            "Input": "3749",
+            "Output": "MMMDCCXLIX"
+        },
+        {
+            "Input": "58",
+            "Output": "LVIII"
+        },
+        {
+            "Input": "1994",
+            "Output": "MCMXCIV"
+        },
+        {
+            "Input": "10",
+            "Output": "X"
+        },
+        {
+            "Input": "100",
+            "Output": "C"
+        }
+    ]
+}