day 4 complete

day4/.gitignore

@@ -0,0 +1,86 @@
+node_modules/
+.node_modules/
+built/*
+tests/cases/rwc/*
+tests/cases/test262/*
+tests/cases/perf/*
+!tests/cases/webharness/compilerToString.js
+test-args.txt
+~*.docx
+\#*\#
+.\#*
+tests/baselines/local/*
+tests/baselines/local.old/*
+tests/services/baselines/local/*
+tests/baselines/prototyping/local/*
+tests/baselines/rwc/*
+tests/baselines/test262/*
+tests/baselines/reference/projectOutput/*
+tests/baselines/local/projectOutput/*
+tests/baselines/reference/testresults.tap
+tests/services/baselines/prototyping/local/*
+tests/services/browser/typescriptServices.js
+src/harness/*.js
+src/compiler/diagnosticInformationMap.generated.ts
+src/compiler/diagnosticMessages.generated.json
+src/parser/diagnosticInformationMap.generated.ts
+src/parser/diagnosticMessages.generated.json
+rwc-report.html
+*.swp
+build.json
+*.actual
+tests/webTestServer.js
+tests/webTestServer.js.map
+tests/webhost/*.d.ts
+tests/webhost/webtsc.js
+tests/cases/**/*.js
+!tests/cases/docker/*.js/
+tests/cases/**/*.js.map
+*.config
+scripts/eslint/built/
+scripts/debug.bat
+scripts/run.bat
+scripts/**/*.js
+scripts/**/*.js.map
+coverage/
+internal/
+**/.DS_Store
+.settings
+**/.vs
+**/.vscode/*
+!**/.vscode/tasks.json
+!**/.vscode/settings.template.json
+!**/.vscode/launch.template.json
+!**/.vscode/extensions.json
+!tests/cases/projects/projectOption/**/node_modules
+!tests/cases/projects/NodeModulesSearch/**/*
+!tests/baselines/reference/project/nodeModules*/**/*
+.idea
+yarn.lock
+yarn-error.log
+.parallelperf.*
+tests/cases/user/*/package-lock.json
+tests/cases/user/*/node_modules/
+tests/cases/user/*/**/*.js
+tests/cases/user/*/**/*.js.map
+tests/cases/user/*/**/*.d.ts
+!tests/cases/user/zone.js/
+!tests/cases/user/bignumber.js/
+!tests/cases/user/discord.js/
+tests/baselines/reference/dt
+.failed-tests
+TEST-results.xml
+package-lock.json
+tests/cases/user/npm/npm
+tests/cases/user/TypeScript-React-Starter/TypeScript-React-Starter
+tests/cases/user/TypeScript-Node-Starter/TypeScript-Node-Starter
+tests/cases/user/TypeScript-React-Native-Starter/TypeScript-React-Native-Starter
+tests/cases/user/TypeScript-Vue-Starter/TypeScript-Vue-Starter
+tests/cases/user/TypeScript-WeChat-Starter/TypeScript-WeChat-Starter
+tests/cases/user/create-react-app/create-react-app
+tests/cases/user/fp-ts/fp-ts
+tests/cases/user/webpack/webpack
+tests/cases/user/puppeteer/puppeteer
+tests/cases/user/axios-src/axios-src
+tests/cases/user/prettier/prettier
+.eslintcache

day4/package.json

@@ -0,0 +1,5 @@
+{
+  "devDependencies": {
+    "@types/node": "^18.11.10"
+  }
+}

day4/solution.ts

@@ -0,0 +1,32 @@
+import { readFileSync } from 'fs';
+import { join } from 'path';
+
+const range = (start, end) => Array.from(Array(end - start + 1).keys()).map(x => x + start);
+
+const fileString = readFileSync(join(__dirname, "input"), 'utf-8');
+const data = fileString.split("\n");
+
+var overlaping: number = 0;
+var anyOverlaping: number = 0;
+
+for (const pair of data) {
+  const elves = pair.split(",");
+  if (elves.length != 2) {
+    continue;
+  }
+  const e1 = elves[0].split("-");
+  const e2 = elves[1].split("-");
+  const e1r = range(+e1[0], +e1[1]);
+  const e2r = range(+e2[0], +e2[1]);
+
+  if (e1r.every(val => e2r.includes(val)) || e2r.every(val => e1r.includes(val))) {
+    overlaping += 1;
+  }
+
+  if (e1r.some(val => e2r.includes(val))) {
+    anyOverlaping += 1;
+  }
+}
+
+console.log(overlaping);
+console.log(anyOverlaping);

day4/tsconfig.json

@@ -0,0 +1,7 @@
+{
+  "compilerOptions": {
+    "types": [
+      "node"
+    ]
+  }
+}