Day 14. Forgot to keep the solution for part 1
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John Shaver
parent
d547c86c17
commit
c1e0aa3c9a
3 changed files with 223 additions and 0 deletions
2
2022/14/example.txt
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2
2022/14/example.txt
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@ -0,0 +1,2 @@
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498,4 -> 498,6 -> 496,6
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503,4 -> 502,4 -> 502,9 -> 494,9
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92
2022/14/index.js
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92
2022/14/index.js
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const fs = require('fs/promises');
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const sum = (arr) => arr.reduce((total, num) => total+num, 0);
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const arrayOfLength = n => Array.from(Array(n).keys()).map(() => {});
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const main = async () => {
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const input = (await fs.readFile("./input.txt", 'utf8')).split("\n");
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const coord = ([x, y]) => {
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if(isNaN(x) || typeof y === "undefined") {
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throw new Error("");
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}
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return `${x}-${y}`;
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};
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let sandUnitCount = 0;
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const fillPath = ([x1, y1], [x2, y2]) => {
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const fillIns = [];
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if(x1 === x2) {
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const yDiff = y2 - y1;
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for(let y = y1; y !== y2; y = y + (Math.abs(yDiff)/yDiff)) {
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fillIns.push(coord([x1, y]));
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}
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} else {
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const xDiff = x2 - x1;
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for(let x = x1; x !== x2; x = x + (xDiff/Math.abs(xDiff))) {
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fillIns.push(coord([x, y1]));
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}
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}
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return fillIns;
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};
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const grid = input.reduce((obj, row, i) => {
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if(row === "" ) {
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return obj;
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}
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const path = row.split(" -> ");
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for(let i = 0; i < path.length - 1; i++) {
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const start = path[i].split(",").map(x => parseInt(x));
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const end = path[i + 1].split(",").map(x => parseInt(x));
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const filledIn = fillPath(start, end);
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filledIn.forEach(x => obj[x] = "#")
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}
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const lastRock = path[path.length - 1].split(",").map(x => parseInt(x))
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obj[coord(lastRock)] = "#";
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return obj;
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}, {})
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const sandFall = (x, y) => {
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if(y === 174) {
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return [x, y];
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}
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if(!grid[coord([x, y + 1])]) {
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return sandFall(x, y + 1);
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}
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if(!grid[coord([x - 1, y + 1])]) {
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return sandFall(x - 1, y + 1);
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}
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if(!grid[coord([x + 1, y + 1])]) {
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return sandFall(x + 1, y + 1);
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}
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return [x, y];
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};
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const print = () => {
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for(let y = 0; y < 175; ++y) {
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console.log(arrayOfLength(100).map((_, i) => grid[coord([i + 450, y])] || ".").join(""));
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}
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console.log("\n\n\n")
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console.log("Sand count: ", sandUnitCount);
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};
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while(true) {
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const loc = sandFall(500, 0);
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sandUnitCount++;
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grid[coord(loc)] = "o";
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console.log("Location of sand: ", loc);
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if(loc[0] === 500 && loc[1] === 0) {
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break;
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}
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}
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console.log("Answer: ", sandUnitCount);
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print();
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}
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main();
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129
2022/14/input.txt
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129
2022/14/input.txt
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@ -0,0 +1,129 @@
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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484,41 -> 484,42 -> 495,42 -> 495,41
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494,51 -> 498,51
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470,158 -> 475,158
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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458,171 -> 462,171
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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492,162 -> 497,162
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494,27 -> 498,27
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471,162 -> 476,162
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480,156 -> 485,156
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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461,165 -> 465,165
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477,70 -> 487,70 -> 487,69
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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482,37 -> 488,37 -> 488,36
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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464,162 -> 469,162
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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473,173 -> 477,173
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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464,167 -> 468,167
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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476,154 -> 481,154
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461,173 -> 465,173
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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494,33 -> 498,33
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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477,70 -> 487,70 -> 487,69
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473,156 -> 478,156
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455,173 -> 459,173
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478,162 -> 483,162
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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467,173 -> 471,173
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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484,41 -> 484,42 -> 495,42 -> 495,41
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497,30 -> 501,30
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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485,162 -> 490,162
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482,37 -> 488,37 -> 488,36
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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491,30 -> 495,30
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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467,169 -> 471,169
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452,171 -> 456,171
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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464,171 -> 468,171
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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484,41 -> 484,42 -> 495,42 -> 495,41
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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474,160 -> 479,160
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500,51 -> 504,51
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494,45 -> 498,45
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461,169 -> 465,169
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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488,51 -> 492,51
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458,167 -> 462,167
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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466,137 -> 466,138 -> 484,138
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
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467,160 -> 472,160
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468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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481,160 -> 486,160
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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497,48 -> 501,48
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491,48 -> 495,48
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455,169 -> 459,169
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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500,33 -> 504,33
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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449,173 -> 453,173
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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470,171 -> 474,171
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477,158 -> 482,158
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468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
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466,137 -> 466,138 -> 484,138
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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484,158 -> 489,158
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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488,33 -> 492,33
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
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482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
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488,160 -> 493,160
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462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
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