day 8 complete

day8/.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

day8/inp

@@ -0,0 +1,5 @@
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day8/package.json

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

day8/solution.ts

@@ -0,0 +1,94 @@
+import { readFileSync } from 'fs';
+import { join } from 'path';
+
+const MINH = 0;
+const MAXH = 9;
+
+const getColumns = (arr, indices) => arr.map(row => indices.map(i => row[i])).reduce((accumulator, value) => accumulator.concat(value), []);
+
+const fileString = readFileSync(join(__dirname, "input"), 'utf-8');
+var rows = fileString.split("\n");
+
+rows = rows.map(val => {
+  return val.trim();
+});
+rows = rows.filter(val => {
+  return val.length > 0;
+});
+
+const gridR = rows.map(val => {
+  return val.split("");
+});
+
+const grid = gridR.map(val => {
+  return val.map(vval => {
+    return +vval;
+  });
+});
+
+var visible = 0;
+
+for (var i = 0; i < grid.length; i++) {
+  for (var j = 0; j < grid[i].length; j++) {
+    const tree = grid[i][j];
+    if (i - 1 < 0) { // Top of grid
+      visible += 1;
+      continue;
+    }
+    if (i + 1 >= grid.length) { // Bottom of grid
+      visible += 1;
+      continue;
+    }
+    if (j - 1 < 0) { // Left of grid
+      visible += 1;
+      continue;
+    }
+    if (j + 1 >= grid[i].length) { // Right of grid
+      visible += 1;
+      continue;
+    }
+
+    if (
+          (tree > Math.max(...grid[i].slice(0, j)))  || // Check Left in row 
+          (tree > Math.max(...grid[i].slice(j + 1)))  || // Check Left in row
+          (tree > Math.max(...getColumns(grid, [j]).slice(0, i)))  || // Check Left in row 
+          (tree > Math.max(...getColumns(grid, [j]).slice(i + 1))) // Check Left in row 
+       ) {
+         visible += 1;
+    }
+  }
+}
+
+console.log(visible);
+
+var maxScore = 0;
+for (var i = 0; i < grid.length; i++) {
+  for (var j = 0; j < grid[i].length; j++) {
+    const tree = grid[i][j];
+
+    const left = grid[i].slice(0, j).reverse();
+    const right = grid[i].slice(j + 1);
+    const top = getColumns(grid, [j]).slice(0, i).reverse();
+    const bot = getColumns(grid, [j]).slice(i + 1);
+    const checks = [left, right, top, bot];
+    var scores = [];
+
+    for (const check of checks) {
+      var cscore = 0;
+      for (var k = 0; k < check.length; k++) {
+        cscore += 1;
+        if (tree <= check[k]) {
+          break;
+        }
+      }
+      scores.push(cscore);
+    }
+    const score = scores.reduce( (a,b) => a * b );
+
+    if (score > maxScore) {
+      maxScore = score;
+    }
+  }
+}
+
+console.log(maxScore);

day8/tsconfig.json

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