nieuw jaar

src/2021/day1/example.txt

@@ -0,0 +1,10 @@
+199
+200
+208
+210
+200
+207
+240
+269
+260
+263

src/2021/day1/index.ts

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+import * as fs from 'fs';
+import path from 'path';
+import {readFile} from "../../utils";
+
+let input = readFile(path.resolve(__dirname, 'input.txt'));
+
+let count = -1;
+let prev = -1;
+input.forEach((inp: any) => {
+    const measure = Number(inp);
+    if (measure > prev) count++;
+    prev = measure;
+})
+
+console.log(count);
+
+let window: any = [];
+count = -1;
+prev = -1;
+input.forEach((inp: any) => {
+    const measure = Number(inp);
+
+    if (window.length === 3) {
+        window.shift();
+    }
+
+    window.push(measure);
+
+    let measureSum = window.reduce((sum: number, current: number) => sum + current, 0);
+
+    if (measureSum > prev && window.length === 3) count++;
+    prev = measureSum;
+})
+
+console.log(count);

src/2021/day2/example.txt

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+forward 5
+down 5
+forward 8
+up 3
+down 8
+forward 2

src/2021/day2/index.ts

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+import path from 'path';
+import {readFile} from "../../utils";
+
+let input = readFile(path.resolve(__dirname, 'example.txt')).map(x => x.split(' ')).map((cmd) => ({cmd: cmd[0], val: Number(cmd[1])}))
+
+let forward = 0;
+let depth = 0;
+
+type Entry = {
+    cmd: string,
+    val: number
+}
+
+const add = (entry: Entry) => {
+    if (entry.cmd === 'forward') forward += entry.val;
+    else if (entry.cmd === 'down') depth += entry.val;
+    else depth -= entry.val;
+}
+
+input.map(add)
+
+console.log("Part 1", forward * depth)
+
+forward = 0;
+depth = 0;
+let aim = 0;
+
+const execute = (entry: Entry) => {
+    if (entry.cmd === 'down') aim += entry.val;
+    else if (entry.cmd === 'up') aim -= entry.val;
+    else {
+        forward += entry.val
+        depth += entry.val * aim
+    }
+}
+
+input.map(execute)
+
+console.log("Part 2", forward * depth)
+
+//console.log(input)
+const res =
+    input
+        .map(x => x)
+     .push({cmd: 0, val: 0} )
+
+console.log(res);
+//    .print()
+// .reduce((prev: any, cur: any, curIdx: number, array: any) => {
+//     console.log(curIdx, cur, prev,);
+//     return {
+//         forward: 0,
+//         depth: 0,
+//         aim: 0
+//     }
+// })