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couple more days of 2019

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Tristan 2019-12-05 17:08:18 +00:00
parent 12d0551bb4
commit d25c3b26d9
7 changed files with 150 additions and 1 deletions
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2
2019/03/input.txt Normal file
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R75,D30,R83,U83,L12,D49,R71,U7,L72
U62,R66,U55,R34,D71,R55,D58,R83

39
2019/03/part1.js Normal file
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const fs = require('fs');
const text = fs.readFileSync("./2019/03/input.txt", "utf-8");
let lineIns = text.split('\n').map(line => line.split(','))
let linePoints = [];
for (let line = 0; line < 2; line++){
let points = [[0,0]];
for (let i = 0; i < lineIns[line].length; i++){
let segment = lineIns[line][i];
let dist = parseInt(segment.slice(1));
let axis = ((segment[0] == "R") || (segment[0] == "L")) ? 0 : 1;
let dir = ((segment[0] == "R") || (segment[0] == "U")) ? 1 : -1;
let coord = points[i];
coord[axis] += dir * dist;
coord.axis = axis;
points.push(coord.slice());
}
linePoints.push(points);
}
let closest = Infinity;
for (let i = 0; i < linePoints[0].length-1; i++) {
let segment0 = linePoints[0].slice(i, i+2);
let axis0 = linePoints[0][i].axis;
segment0.sort((a, b) => a[(axis0+1)%2] - b[(axis0+1)%2]);
for (let j = 0; j < linePoints[1].length-1; j++) {
let axis1 = linePoints[1][j].axis;
if (axis0 == axis1) continue;
let segment1 = linePoints[1].slice(j, j+2);
segment1.sort((a, b) => a[(axis1+1)%2] - b[(axis1+1)%2]);
if (segment0[0][axis0] >= segment1[0][axis0] && segment0[1][axis0] <= segment1[1][axis0] &&
segment1[0][axis1] >= segment0[0][axis1] && segment1[1][axis1] <= segment0[1][axis1]) {
let cross = Math.abs(segment0[0][axis0]) + Math.abs(segment1[0][axis1]);
closest = closest < cross ? closest : cross;
}
}
}
console.log(closest);

18
2019/04/part1.js Normal file
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// puzzle input
const inputMin = 172930;
const inputMax = 683082;
amt = 0;
for (let i = inputMin; i < inputMax; i++) {
adjChars = false;
increasing = false;
let prev;
for (char of String(i)) {
if (char == prev) {adjChars = true}
if (char < prev) {increasing = true}
prev = char;
}
if (adjChars && !increasing) {amt++;console.log(i)}
}
console.log(amt);

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2019/04/part2.js Normal file
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const inputMin = 172930;
const inputMax = 683082;
amt = 0;
for (let i = inputMin; i < inputMax; i++) {
adjChars = 1;
pair = false;
decreasing = false;
let prev;
for (char of String(i)) {
if (char == prev) {
adjChars++;
} else if (adjChars == 2) {
pair = true;
} else {adjChars = 1}
if (char < prev) {decreasing = true}
prev = char;
}
if (adjChars == 2) {
pair = true;
}
if (pair && !decreasing) {amt++;console.log(i)}
}
console.log(amt);

1
2019/05/input.txt Normal file
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3,225,1,225,6,6,1100,1,238,225,104,0,1102,45,16,225,2,65,191,224,1001,224,-3172,224,4,224,102,8,223,223,1001,224,5,224,1,223,224,223,1102,90,55,225,101,77,143,224,101,-127,224,224,4,224,102,8,223,223,1001,224,7,224,1,223,224,223,1102,52,6,225,1101,65,90,225,1102,75,58,225,1102,53,17,224,1001,224,-901,224,4,224,1002,223,8,223,1001,224,3,224,1,224,223,223,1002,69,79,224,1001,224,-5135,224,4,224,1002,223,8,223,1001,224,5,224,1,224,223,223,102,48,40,224,1001,224,-2640,224,4,224,102,8,223,223,1001,224,1,224,1,224,223,223,1101,50,22,225,1001,218,29,224,101,-119,224,224,4,224,102,8,223,223,1001,224,2,224,1,223,224,223,1101,48,19,224,1001,224,-67,224,4,224,102,8,223,223,1001,224,6,224,1,223,224,223,1101,61,77,225,1,13,74,224,1001,224,-103,224,4,224,1002,223,8,223,101,3,224,224,1,224,223,223,1102,28,90,225,4,223,99,0,0,0,677,0,0,0,0,0,0,0,0,0,0,0,1105,0,99999,1105,227,247,1105,1,99999,1005,227,99999,1005,0,256,1105,1,99999,1106,227,99999,1106,0,265,1105,1,99999,1006,0,99999,1006,227,274,1105,1,99999,1105,1,280,1105,1,99999,1,225,225,225,1101,294,0,0,105,1,0,1105,1,99999,1106,0,300,1105,1,99999,1,225,225,225,1101,314,0,0,106,0,0,1105,1,99999,7,226,677,224,102,2,223,223,1005,224,329,1001,223,1,223,8,226,677,224,1002,223,2,223,1005,224,344,101,1,223,223,8,226,226,224,1002,223,2,223,1006,224,359,101,1,223,223,1008,677,226,224,1002,223,2,223,1005,224,374,1001,223,1,223,108,677,677,224,1002,223,2,223,1005,224,389,1001,223,1,223,1107,226,677,224,1002,223,2,223,1006,224,404,101,1,223,223,1008,226,226,224,102,2,223,223,1006,224,419,1001,223,1,223,7,677,226,224,1002,223,2,223,1005,224,434,101,1,223,223,1108,226,226,224,1002,223,2,223,1005,224,449,101,1,223,223,7,226,226,224,102,2,223,223,1005,224,464,101,1,223,223,108,677,226,224,102,2,223,223,1005,224,479,1001,223,1,223,1007,677,226,224,1002,223,2,223,1006,224,494,1001,223,1,223,1007,677,677,224,1002,223,2,223,1006,224,509,1001,223,1,223,107,677,677,224,1002,223,2,223,1005,224,524,101,1,223,223,1108,226,677,224,102,2,223,223,1006,224,539,1001,223,1,223,8,677,226,224,102,2,223,223,1005,224,554,101,1,223,223,1007,226,226,224,102,2,223,223,1006,224,569,1001,223,1,223,107,677,226,224,102,2,223,223,1005,224,584,1001,223,1,223,108,226,226,224,102,2,223,223,1006,224,599,1001,223,1,223,107,226,226,224,1002,223,2,223,1006,224,614,1001,223,1,223,1108,677,226,224,1002,223,2,223,1005,224,629,1001,223,1,223,1107,677,677,224,102,2,223,223,1005,224,644,1001,223,1,223,1008,677,677,224,102,2,223,223,1005,224,659,101,1,223,223,1107,677,226,224,1002,223,2,223,1006,224,674,101,1,223,223,4,223,99,226

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2019/05/part1.js Normal file
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const fs = require("fs");
const text = fs.readFileSync("2019/05/input.txt", "utf-8");
const userInput = 5;
let memory = text.split(',').map(opcode => parseInt(opcode));
function valueOf(index, paramMode) {
return paramMode == "0" ? memory[memory[index]] : memory[index];
}
function fiveDig(value) {
return value.toString().length < 5 ? fiveDig("0" + value) : value.toString();
}
let i = 0;
while (true) {
instruction = fiveDig(memory[i]);
opcode = instruction.slice(3);
if (opcode == '01') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) + valueOf(i+2, instruction[1]);
i+=4;
} else if (opcode == '02') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) * valueOf(i+2, instruction[1]);
i+=4;
} else if (opcode == '03') {
console.log("IN "+userInput);
memory[memory[i+1]] = userInput;
i+=2;
} else if (opcode == '04') {
console.log("OUT "+valueOf(i+1, instruction[2]));
i+=2;
} else if (opcode == '05') {
if (valueOf(i+1, instruction[2]) != 0) {
i = valueOf(i+2, instruction[1])
} else {
i+=3;
}
} else if (opcode == '06') {
if (valueOf(i+1, instruction[2]) == 0) {
i = valueOf(i+2, instruction[1])
} else {
i+=3;
}
} else if (opcode == '07') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) < valueOf(i+2, instruction[1]) ? 1 : 0;
i+=4;
} else if (opcode == '08') {
memory[memory[i+3]] = valueOf(i+1, instruction[2]) == valueOf(i+2, instruction[1]) ? 1 : 0;
i+=4;
} else if (opcode == '99') {
console.log("HLT")
break;
}
}

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2019/README.md
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1 | [:star: :star:](https://adventofcode.com/2019/day/1 "see puzzle")
--: | :--
2 | [:star: :star:](https://adventofcode.com/2019/day/2 "see puzzle")
3 | [:star:](https://adventofcode.com/2019/day/3 "see puzzle")
4 | [:star: :star:](https://adventofcode.com/2019/day/4 "see puzzle")
5 | [:star: :star:](https://adventofcode.com/2019/day/5 "see puzzle")
# Languages Used
### Node JS
1 | :star: :star:
--: | :--
2 | :star: :star:
3 | :star:
4 | :star: :star:
5 | :star: :star: