adventofcode/2021/21/part1.mjs
2021-12-21 15:03:45 -05:00

31 lines
791 B
JavaScript

import fs from "fs-extra";
import fp from "lodash/fp.js";
import _ from "lodash";
export const processInput = (input) => fs.readFile(input,'utf8').then(
content => content.split("\n").filter(x=>x).map(
line => parseInt(line.split(": ")[1])-1
)
);
export function solution(positions) {
let scores = [0,0];
let dice = 0;
MAIN: while( Math.max(...scores) < 1000 ) {
for( const player of [0,1] ) {
let add = 0;
_.range(3).forEach( () => {
dice++;
add+= dice;
} );
positions[player] = (positions[player] + add) % 10;
scores[player] += 1 + positions[player]
if(scores[player]>=1000) break MAIN;
}
}
return Math.min(...scores) * dice;
}