Adding day 1

.editorconfig

@@ -0,0 +1,18 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+
+[*]
+
+# Change these settings to your own preference
+indent_style = space
+indent_size = 2
+
+# We recommend you to keep these unchanged
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitignore

@@ -0,0 +1 @@
+node_modules

.npmrc

@@ -0,0 +1 @@
+registry=https://artifactory.oci.oraclecorp.com/api/npm/global-dev-npm/

day01/day01.ts

@@ -0,0 +1,45 @@
+
+import { init, reduce, tail, zip, zipWith, map } from "fp-ts/lib/Array";
+import { pipe } from "fp-ts/lib/function";
+import { MonoidSum, Ord } from "fp-ts/lib/number";
+import { getOrElse, chain } from "fp-ts/lib/Option";
+import { lt } from "fp-ts/lib/Ord";
+import { concatAll } from "fp-ts/lib/Monoid";
+
+import { depthMeasurements } from "./input1";
+
+const increaseCount = (as: number[]): number => pipe(
+  zip(
+    pipe(as, init, getOrElse<number[]>(() => [])),
+    pipe(as, tail, getOrElse<number[]>(() => []))
+  ),
+  map(([a, b]) => lt(Ord)(a, b)),
+  reduce(0, (acc, n) => n ? acc + 1 : acc)
+);
+
+const increases = pipe(
+  depthMeasurements,
+  increaseCount
+);
+
+console.log("the number of times a depth measurement increases", increases);
+
+const slidingWindows = (as: number[]): [number, number, number][] => pipe(
+  zip(
+    zip(
+      pipe(as, init, getOrElse<number[]>(() => [])),
+      pipe(as, tail, getOrElse<number[]>(() => []))
+    ),
+    pipe(as, tail, chain(tail), getOrElse<number[]>(() => [])),
+  ),
+  map(([[a, b], c]) => [a, b, c])
+);
+
+const slidingWindowSumsIncreases = pipe(
+  depthMeasurements,
+  slidingWindows,
+  map(concatAll(MonoidSum)),
+  increaseCount
+);
+
+console.log("the number of times a 3 length sliding window measurement sum increases", slidingWindowSumsIncreases);

day01/input1.ts

@@ -0,0 +1,2002 @@
+export const depthMeasurements = [
+  104,
+  111,
+  124,
+  139,
+  142,
+  141,
+  144,
+  151,
+  152,
+  154,
+  157,
+  156,
+  157,
+  149,
+  123,
+  118,
+  129,
+  133,
+  134,
+  130,
+  124,
+  102,
+  103,
+  105,
+  104,
+  99,
+  100,
+  101,
+  103,
+  116,
+  114,
+  129,
+  135,
+  147,
+  149,
+  148,
+  149,
+  137,
+  140,
+  149,
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+  202,
+  203,
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+  211,
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+  230,
+  233,
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+  226,
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+  234,
+  242,
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+  285,
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+      "resolved": "https://artifactory.oci.oraclecorp.com:443/api/npm/global-dev-npm/ts-node/-/ts-node-10.4.0.tgz",
+      "integrity": "sha1-aA+IlFiF9ObPRQ5/DWIj3UBIlfc=",
+      "requires": {
+        "@cspotcode/source-map-support": "0.7.0",
+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
+        "@tsconfig/node14": "^1.0.0",
+        "@tsconfig/node16": "^1.0.2",
+        "acorn": "^8.4.1",
+        "acorn-walk": "^8.1.1",
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "yn": "3.1.1"
+      }
+    },
+    "typescript": {
+      "version": "4.5.2",
+      "resolved": "https://artifactory.oci.oraclecorp.com:443/api/npm/global-dev-npm/typescript/-/typescript-4.5.2.tgz",
+      "integrity": "sha1-isH7qfUiVv2wb7ieQSL6ajRsKZg="
+    },
+    "yn": {
+      "version": "3.1.1",
+      "resolved": "https://artifactory.oci.oraclecorp.com:443/api/npm/global-dev-npm/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha1-HodAGgnXZ8HV6rJqbkwYUYLS61A="
+    }
+  }
+}

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "aoc-2021",
+  "version": "0.0.1",
+  "description": "AoC 2021 puzzles",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "@tsconfig/node16": "^1.0.2",
+    "@types/node": "16.11.11",
+    "fp-ts": "2.11.5",
+    "ts-node": "10.4.0",
+    "typescript": "4.5.2"
+  }
+}

tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "extends": "@tsconfig/node16/tsconfig.json",
+}