chore: update solvePart2 to return BigInt and adjust tests

dsiu · dsiu · commit 32c05b9a8b7d · 2026-01-30T16:13:32.000+08:00
diff --git a/package.json b/package.json
@@ -23,6 +23,10 @@
     "testMatch": [
       "**/*_Test.res.(js|ts|jsx|tsx|mjs)"
     ],
+    "testPathIgnorePatterns": [
+      "/node_modules/",
+      "/lib/"
+    ],
     "transform": {
       "^.+\\.m?jsx?$": [
         "babel-jest",
