add Day1

Day1/Sonar.ts

@@ -0,0 +1,45 @@
+import { readLines } from "https://deno.land/std@0.177.1/io/read_lines.ts";
+
+async function Part1() {
+    const file = await Deno.open("./Day1/input.txt");
+
+    const lines = readLines(file);
+    let last = +(await lines.next()).value;
+    let descends = 0;
+    for await (const depth of lines) {
+        if (+depth > last) {
+            descends++;
+        }
+        last = +depth;
+    }
+    return descends;
+}
+
+async function Part2(windowSize: number) {
+    const file = await Deno.open("./Day1/input.txt");
+    const lines = readLines(file);
+
+    const window: number[] = new Array(windowSize);
+    let descends = 0;
+
+    for (let i = 0; i < windowSize; i++) {
+        window[i] = +(await lines.next()).value;
+    }
+
+    let oldSum = window.reduce((x,y) => x+y);
+
+    for await (const depth of lines) {
+        const oldValue = window.shift() as number;
+        const newSum = oldSum - oldValue + +depth;
+        if (newSum > oldSum) {
+            descends++;
+        }
+        oldSum = newSum;
+        window.push(+depth);
+    }
+    return descends;
+}
+
+console.log("Part1: " + await Part1());
+
+console.log("Part2: " + await Part2(3));

deno.lock

@@ -0,0 +1,11 @@
+{
+  "version": "2",
+  "remote": {
+    "https://deno.land/std@0.177.1/_util/asserts.ts": "178dfc49a464aee693a7e285567b3d0b555dc805ff490505a8aae34f9cfb1462",
+    "https://deno.land/std@0.177.1/bytes/concat.ts": "d26d6f3d7922e6d663dacfcd357563b7bf4a380ce5b9c2bbe0c8586662f25ce2",
+    "https://deno.land/std@0.177.1/bytes/copy.ts": "939d89e302a9761dcf1d9c937c7711174ed74c59eef40a1e4569a05c9de88219",
+    "https://deno.land/std@0.177.1/io/buf_reader.ts": "90a7adcb3638d8e1361695cdf844d58bcd97c41711dc6f9f8acc0626ebe097f5",
+    "https://deno.land/std@0.177.1/io/read_lines.ts": "baee9e35034f2fdfccf63bc24b7e3cb45aa1c1c5de26d178f7bcbc572e87772f",
+    "https://deno.land/std@0.177.1/types.d.ts": "220ed56662a0bd393ba5d124aa6ae2ad36a00d2fcbc0e8666a65f4606aaa9784"
+  }
+}