Remove uncompleted 2023/day05/part2

2023/day05/part1.ts

@@ -1,12 +1,12 @@
-import { isInRange, loadData, mapToInt } from '@helper';
+import { isInRange, loadData, mapToInt, words } from '@helper';
 
 const input = await loadData();
 
 const getNumbers = (block: string) =>
 	block
 		.split('\n')
 		.slice(1)
-		.map((l) => mapToInt(l.split(' '))) as [number, number, number][];
+		.map((l) => mapToInt(words(l))) as [number, number, number][];
 
 const convert = (input: number, maps: [number, number, number][]) => {
 	const appliedMaps = maps.filter((m) =>
@@ -21,16 +21,14 @@ const convert = (input: number, maps: [number, number, number][]) => {
 };
 
 const getLocationForSeed = (seed: number, blocks: string[]) => {
-	let number = seed;
-	for (const block of blocks) {
-		number = convert(number, getNumbers(block));
-	}
-	return number;
+	return blocks.reduce(
+		(number, block) => convert(number, getNumbers(block)),
+		seed,
+	);
 };
 
 const blocks = input.split('\n\n');
 const seeds = mapToInt(blocks.shift()?.match(/\d+/g) ?? []);
-
 const locations = seeds.map((s) => getLocationForSeed(s, blocks));
 
 console.log(Math.min(...locations));

2024/day05/lib.ts

@@ -0,0 +1,29 @@
+import { lines, mapToInt } from '@helper';
+
+export const parse = (input: string) => {
+	const [rulesString, instructionsString] = input.split('\n\n', 2);
+
+	const rules = lines(rulesString, (l) => mapToInt(l.split('|', 2)));
+
+	return {
+		instructions: lines(instructionsString, (l) => mapToInt(l.split(','))),
+		rulesGraph: rules.reduce<Record<number, number[]>>(
+			(acc, [r1, r2]) => ({
+				...acc,
+				[r1]: [...(acc[r1] ?? []), r2],
+			}),
+			{},
+		),
+	};
+};
+
+export const comparePages =
+	(rulesGraph: Record<number, number[]>) => (a: number, b: number) => {
+		if ((rulesGraph[a] ?? []).includes(b)) {
+			return -1;
+		}
+		if ((rulesGraph[b] ?? []).includes(a)) {
+			return 1;
+		}
+		return 0;
+	};

2024/day05/part1.ts

@@ -1,41 +1,12 @@
-import { isSorted, lines, loadData, mapToInt, sumBy } from '@helper';
+import { isSorted, loadData, sumBy } from '@helper';
+import { comparePages, parse } from './lib';
 
 const input = await loadData();
-
-const parse = (input: string) => {
-	const [rulesString, instructionsString] = input.split('\n\n', 2);
-
-	const rules = lines(rulesString, (l) => mapToInt(l.split('|', 2)));
-
-	return {
-		instructions: lines(instructionsString, (l) => mapToInt(l.split(','))),
-		rulesGraph: rules.reduce<Record<number, number[]>>(
-			(acc, [r1, r2]) => ({
-				...acc,
-				[r1]: [...(acc[r1] ?? []), r2],
-			}),
-			{},
-		),
-	};
-};
-
-const { instructions, rulesGraph } = parse(input);
-
-const isCorrectlySorted = (instruction: number[]) => {
-	return isSorted(instruction, (a, b) => {
-		if ((rulesGraph[a] ?? []).includes(b)) {
-			return -1;
-		}
-		if ((rulesGraph[b] ?? []).includes(a)) {
-			return 1;
-		}
-		return 0;
-	});
-};
+const { rulesGraph, instructions } = parse(input);
 
 console.log(
 	sumBy(
-		instructions.filter(isCorrectlySorted),
+		instructions.filter((ins) => isSorted(ins, comparePages(rulesGraph))),
 		(instruction) => instruction[(instruction.length - 1) / 2],
 	),
 );

2024/day05/part2.ts

@@ -1,39 +1,13 @@
-import { quickSelect, isSorted, lines, loadData, mapToInt, sumBy } from '@helper';
+import { quickSelect, isSorted, loadData, sumBy } from '@helper';
+import { parse, comparePages } from './lib';
 
 const input = await loadData();
-
-const parse = (input: string) => {
-	const [rulesString, instructionsString] = input.split('\n\n', 2);
-
-	const rules = lines(rulesString, (l) => mapToInt(l.split('|', 2)));
-
-	return {
-		instructions: lines(instructionsString, (l) => mapToInt(l.split(','))),
-		rulesGraph: rules.reduce<Record<number, number[]>>(
-			(acc, [r1, r2]) => ({
-				...acc,
-				[r1]: [...(acc[r1] ?? []), r2],
-			}),
-			{},
-		),
-	};
-};
-
 const { rulesGraph, instructions } = parse(input);
-
-const comparePages = (a: number, b: number) => {
-	if ((rulesGraph[a] ?? []).includes(b)) {
-		return -1;
-	}
-	if ((rulesGraph[b] ?? []).includes(a)) {
-		return 1;
-	}
-	return 0;
-};
+const compare = comparePages(rulesGraph);
 
 console.log(
 	sumBy(
-		instructions.filter((ins) => !isSorted(ins, comparePages)),
-		(ins) => quickSelect(ins, (ins.length - 1) / 2, comparePages),
+		instructions.filter((ins) => !isSorted(ins, compare)),
+		(ins) => quickSelect(ins, (ins.length - 1) / 2, compare),
 	),
 );

helpers/matrix/getCoordinate.ts

@@ -40,3 +40,11 @@ export const findItemCoordinates = <T>(
 
 	return null;
 };
+
+export const applyOffset = (
+	coordinate: Coordinate,
+	[colOffset, rowOffset]: [number, number],
+) => ({
+	row: coordinate.row + rowOffset,
+	col: coordinate.col + colOffset,
+});

runNewest

@@ -16,7 +16,7 @@ while [ ! -f "$PROJECT_ROOT/README.md" ]; do
 	fi
 done
 
-NEWEST_PATH=$(find $PROJECT_ROOT/20* -type f -name '*.ts'  | sort  -r | head -n 1 |  sed "s|^$PROJECT_ROOT/||" | sed "s/day//; s/part//; s/\.ts//")
+NEWEST_PATH=$(find $PROJECT_ROOT/20* -type f -name 'part*.ts'  | sort  -r | head -n 1 |  sed "s|^$PROJECT_ROOT/||" | sed "s/day//; s/part//; s/\.ts//")
 IFS='/' read -r YEAR DAY PART <<< "$NEWEST_PATH"
 
 usage() {