36 lines
825 B
JavaScript
36 lines
825 B
JavaScript
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var board = [
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{"0": 1},
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{"-1": 2, "0": 3, "1": 4},
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{"-2": 5, "-1": 6, "0": 7, "1": 8, "2": 9},
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{"-1": "A", "0": "B", "1": "C"},
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{"0": "D"}
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];
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var moves = {
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U: [-1, 0],
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D: [1, 0],
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L: [0, -1],
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R: [0, 1],
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}
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var pos = [2, -2];
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var locations = [];
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var fs = require("fs");
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var input = fs.readFileSync("input.txt").toString().replace(/\r/g, "");
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input.split("\n").slice(0, -1).forEach(function(line){
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if(line){
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line.split("").forEach(function(char){
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if(char){
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var move = moves[char];
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var newpos = pos.map((a, x)=>(a + move[x]));
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if(board[newpos[0]]){
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if(board[newpos[0]][newpos[1]]){
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pos = newpos;
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}
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}
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}
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});
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}
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console.log(board[pos[0]][pos[1]]);
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locations.push(board[pos[0]][pos[1]]);
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});
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console.log(locations.join(""));
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