{"header":{"message":"Add day 3 and 4 from 2019","description":null,"timestamp":"2020-12-26T21:17:19.67574Z","authors":[{"name":"emily"}]},"hash":"QNE2APVMWFCTKRXJF4B3OD7L2L45FS3GC76PXEEKQAGXCGYWKFJQC","authors":[],"deps":{"hashes":[["QNE2APVMWFCTKRXJF4B3OD7L2L45FS3GC76PXEEKQAGXCGYWKFJQC","Add day 3 and 4 from 2019"],["AA",null],["YMJ5N5BCSNUEITM56ZVBNFYNPCOLXKYRMTHXWP4RMCBAZCP2VW6QC","Add 01.js"],["GDDAUYTMMEC6WKFB5DMGE4SYDX6W7XSJ5VNJSAV74OVPEKEHJANAC","Add 02.js"],["HGAHRVL5XHYWCCF3S3PXX3X7F6BIPHS5TT3VD6TAIPHR23ZXAFSQC","Add 03.js"],["H7MUJFML23CJ2Z5LVLLAHWDKU4APMGMNTXRL3J23424BM4JAQVKQC","Add 04.js"],["P7S2YXKOTMR23KAYPRRLSYFESHUOFUL6ODM6UD5DYMLFSPTZCKNAC","Add 05.js"],["CM6JKWPPY5IH23ZM3DEETBCTZA3FUW3SRXEVA7T63ELUAWK26U6QC","Add 06.js"],["74RGK6PLB6R2TGMCGHGIDSYUKV3X6ZB2ERMJBO25QP4JLU2Z2UXAC","Add 07.js"],["D25CGSY6YP24YUZCIELCKITO25B3JX3RVVZMKVJQZY5EAVX6HEZAC","Add 08.js"],["XZ4TXPQRUGFZAMOJNREPTXIOJAFSR6FCZFGHHVVJE3FRIOH3B6AQC","Add 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"metadata":420},"old":[{"basename":"06.js","metadata":420}],"up":[{"change":0,"pos":7}],"down":[{"change":7,"pos":8}],"show_perms":false}},{"FileMove":{"meta":{"basename":"05.js","metadata":420},"old":[{"basename":"05.js","metadata":420}],"up":[{"change":0,"pos":7}],"down":[{"change":6,"pos":8}],"show_perms":false}},{"FileMove":{"meta":{"basename":"04.js","metadata":420},"old":[{"basename":"04.js","metadata":420}],"up":[{"change":0,"pos":7}],"down":[{"change":5,"pos":8}],"show_perms":false}},{"FileMove":{"meta":{"basename":"03.js","metadata":420},"old":[{"basename":"03.js","metadata":420}],"up":[{"change":0,"pos":7}],"down":[{"change":4,"pos":8}],"show_perms":false}},{"FileMove":{"meta":{"basename":"02.js","metadata":420},"old":[{"basename":"02.js","metadata":420}],"up":[{"change":0,"pos":7}],"down":[{"change":3,"pos":8}],"show_perms":false}},{"FileMove":{"meta":{"basename":"01.js","metadata":420},"old":[{"basename":"01.js","metadata":420}],"up":[{"change":0,"pos":7}],"down":[{"change":2,"pos":8}],"show_perms":false}},{"FileAdd":{"meta":{"basename":"2019","metadata":1005},"context":[{"change":1,"pos":0}],"contents":[]}},{"FileAdd":{"meta":{"basename":"04.js","metadata":420},"context":[{"change":0,"pos":215}],"contents":[{"Add":"const input = '382345-843167';"},{"Add":""},{"Add":"let low = parseInt(input.split('-')[0]);"},{"Add":"let high = parseInt(input.split('-')[1]);"},{"Add":""},{"Add":"let count1 = 0;"},{"Add":"let count2 = 0;"},{"Add":""},{"Add":"for (let x = low; x <= high;) {"},{"Add":" let xs = x.toString();"},{"Add":" let digits = xs.split('').map(v => parseInt(v));"},{"Add":" if (digits[1] < digits[0]) {"},{"Add":" x = digits[0] * 100000 + digits[0] * 10000;"},{"Add":" continue;"},{"Add":" }"},{"Add":" if (digits[2] < digits[1]) {"},{"Add":" x = digits[0] * 100000 + digits[1] * 10000 + digits[1] * 1000;"},{"Add":" continue;"},{"Add":" }"},{"Add":" if (digits[3] < digits[2]) {"},{"Add":" x = digits[0] * 100000 + digits[1] * 10000 + digits[2] * 1000 + digits[2] * 100;"},{"Add":" continue;"},{"Add":" }"},{"Add":" if (digits[4] < digits[3]) {"},{"Add":" x = digits[0] * 100000 + digits[1] * 10000 + digits[2] * 1000 + digits[3] * 100 + digits[3] * 10;"},{"Add":" continue;"},{"Add":" }"},{"Add":" if (digits[5] < digits[4]) {"},{"Add":" x = digits[0] * 100000 + digits[1] * 10000 + digits[2] * 1000 + digits[3] * 100 + digits[4] * 10 + digits[4];"},{"Add":" continue;"},{"Add":" }"},{"Add":""},{"Add":" if (digits[0] != digits[1] && digits[1] != digits[2] && digits[2] != digits[3] && digits[3] != digits[4] && digits[4] != digits[5]) {"},{"Add":" ++x;"},{"Add":" continue;"},{"Add":" }"},{"Add":""},{"Add":" ++count1;"},{"Add":""},{"Add":" if ((digits[0] == digits[1] && digits[1] != digits[2])"},{"Add":" || (digits[0] != digits[1] && digits[1] == digits[2] && digits[2] != digits[3])"},{"Add":" || (digits[1] != digits[2] && digits[2] == digits[3] && digits[3] != digits[4])"},{"Add":" || (digits[2] != digits[3] && digits[3] == digits[4] && digits[4] != digits[5])"},{"Add":" || (digits[3] != digits[4] && digits[4] == digits[5])) {"},{"Add":" ++count2;"},{"Add":" }"},{"Add":" ++x;"},{"Add":"}"},{"Add":""},{"Add":"console.log(count1);"},{"Add":"console.log(count2);"}]}},{"FileAdd":{"meta":{"basename":"03.js","metadata":420},"context":[{"change":0,"pos":215}],"contents":[{"Add":"const input = `R1004,U518,R309,D991,R436,D360,L322,U627,R94,D636,L846,D385,R563,U220,L312,D605,L612,D843,R848,U193,L671,D852,L129,D680,L946,D261,L804,D482,R196,U960,L234,U577,R206,D973,R407,D400,R44,D103,R463,U907,L972,U628,L962,U856,L564,D25,L425,U332,R931,U837,R556,U435,R88,U860,L982,D393,R793,D86,R647,D337,R514,D361,L777,U640,R833,D674,L817,D260,R382,U168,R161,U449,L670,U814,L42,U461,R570,U855,L111,U734,L699,U602,R628,D79,L982,D494,L616,D484,R259,U429,L917,D321,R429,U854,R735,D373,L508,D59,L207,D192,L120,D943,R648,U245,L670,D571,L46,D195,L989,U589,L34,D177,L682,U468,L783,D143,L940,U412,R875,D604,R867,D951,L82,U851,L550,D21,L425,D81,L659,D231,R92,D232,R27,D269,L351,D369,R622,U737,R531,U693,R295,U217,R249,U994,R635,U267,L863,U690,L398,U576,R982,U252,L649,U321,L814,U516,R827,U74,L80,U624,L802,D620,L544,U249,R983,U424,R564,D217,R151,U8,L813,D311,R203,U478,R999,U495,R957,U641,R40,U431,L830,U67,L31,U532,R345,U878,L996,D223,L76,D264,R823,U27,L776,U936,L614,U421,L398,U168,L90,U525,R640,U95,L761,U938,R296,D463,L349,D709,R428,U818,L376,D444,L748,D527,L755,U750,R175,U495,R587,D767,L332,U665,L84,D747,L183,D969,R37,D514,R949,U985,R548,U939,L170,U415,R857,D480,R836,D363,R763,D997,R721,D140,R699,U673,L724,U375,R55,U758,R634,D590,L608,U674,R809,U308,L681,D957,R30,D913,L633,D939,L474,D567,R290,D615,L646,D478,L822,D471,L952,D937,R306,U380,R695,U788,R555,D64,R769,D785,R115,U474,R232,U353,R534,D268,L434,U790,L777,D223,L168,U21,L411,D524,R862,D43,L979,U65,R771,U872,L983,U765,R162"},{"Add":"L998,U952,R204,U266,R353,U227,L209,D718,L28,D989,R535,U517,L934,D711,R878,U268,L895,D766,L423,U543,L636,D808,L176,U493,R22,D222,R956,U347,R953,U468,R657,D907,R464,U875,L162,U225,L410,U704,R76,D985,L711,U176,R496,D720,L395,U907,R223,D144,R292,D523,R514,D942,R838,U551,L487,D518,L159,D880,R53,D519,L173,D449,R525,U645,L65,D568,R327,U667,R790,U131,R402,U869,R287,D411,R576,D265,R639,D783,R629,U107,L571,D247,L61,D548,L916,D397,R715,U138,R399,D159,L523,U2,R794,U699,R854,U731,L234,D135,L98,U702,L179,D364,R123,D900,L548,U880,R560,D648,L701,D928,R256,D970,L396,U201,L47,U156,R723,D759,R663,D306,L436,U508,R371,D494,L147,U131,R946,D207,L516,U514,R992,D592,L356,D869,L299,U10,R744,D13,L52,U749,R400,D146,L193,U720,L226,U973,R971,U691,R657,D604,L984,U652,L378,D811,L325,D714,R131,D428,R418,U750,L706,D855,L947,U557,L985,D688,L615,D114,R202,D746,R987,U353,R268,U14,R709,U595,R982,U332,R84,D620,L75,D885,L269,D544,L137,U124,R361,U502,L290,D710,L108,D254,R278,U47,R74,U293,R237,U83,L80,U661,R550,U886,L201,D527,L351,U668,R366,D384,L937,D768,L906,D388,L604,U515,R632,D486,L404,D980,L652,U404,L224,U957,L197,D496,R690,U407,L448,U953,R391,U446,L964,U372,R351,D786,L187,D643,L911,D557,R254,D135,L150,U833,R876,U114,R688,D654,L991,U717,R649,U464,R551,U886,L780,U293,L656,U681,L532,U184,L903,D42,L417,D917,L8,U910,L600,D872,L632,D221,R980,U438,R183,D973,L321,D652,L540,D163,R796,U404,L507,D495,R707,U322,R16,U59,L421,D255,L463,U462,L524,D703,L702,D904,L597,D385,L374,U411,L702,U804,R706,D56,L288`;"},{"Add":"const lines = input.split('\\n');"},{"Add":"const wire1 = lines[0].split(',');"},{"Add":"const wire2 = lines[1].split(',');"},{"Add":""},{"Add":"function followWire(wire, f) {"},{"Add":" let x = 0;"},{"Add":" let y = 0;"},{"Add":" let steps = 0;"},{"Add":" for (let ins of wire) {"},{"Add":" let direction = ins[0];"},{"Add":" let amount = parseInt(ins.substring(1));"},{"Add":" for (let d = 0; d < amount; ++d) {"},{"Add":" switch (direction) {"},{"Add":" case 'R': ++x; break;"},{"Add":" case 'L': --x; break;"},{"Add":" case 'U': ++y; break;"},{"Add":" case 'D': --y; break;"},{"Add":" }"},{"Add":" ++steps;"},{"Add":" f(x, y, steps);"},{"Add":" }"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"{"},{"Add":" let positions = new Set();"},{"Add":" followWire(wire1, (x, y, steps) => positions.add(x + ',' + y));"},{"Add":""},{"Add":" let intersections = [];"},{"Add":" followWire(wire2, (x, y, steps) => {"},{"Add":" if (positions.has(x + ',' + y)) {"},{"Add":" if (!(x == 0 && y == 0)) {"},{"Add":" intersections.push([x, y]);"},{"Add":" }"},{"Add":" }"},{"Add":" });"},{"Add":""},{"Add":" intersections.sort(([x1, y1], [x2, y2]) => {"},{"Add":" let d1 = Math.abs(x1) + Math.abs(y1);"},{"Add":" let d2 = Math.abs(x2) + Math.abs(y2);"},{"Add":" return d1 < d2 ? -1 : 1;"},{"Add":" });"},{"Add":""},{"Add":" let [x, y] = intersections[0];"},{"Add":" let d = Math.abs(x) + Math.abs(y);"},{"Add":" console.log(d);"},{"Add":"}"},{"Add":""},{"Add":"{"},{"Add":" let positions = new Set();"},{"Add":" let w1distances = {};"},{"Add":" followWire(wire1, (x, y, steps) => {"},{"Add":" let posString = x + ',' + y;"},{"Add":" positions.add(posString);"},{"Add":" w1distances[posString] = steps;"},{"Add":" });"},{"Add":""},{"Add":" let intersections = [];"},{"Add":" followWire(wire2, (x, y, steps) => {"},{"Add":" let posString = x + ',' + y;"},{"Add":" if (positions.has(posString)) {"},{"Add":" if (!(x == 0 && y == 0)) {"},{"Add":" let stepSum = steps + w1distances[posString];"},{"Add":" intersections.push(stepSum);"},{"Add":" }"},{"Add":" }"},{"Add":" });"},{"Add":""},{"Add":" let min = Number.MAX_VALUE;"},{"Add":" for (let i = 0; i < intersections.length; ++i) {"},{"Add":" let d = intersections[i];"},{"Add":" if (d < min) {"},{"Add":" min = d;"},{"Add":" }"},{"Add":" }"},{"Add":" console.log(min);"},{"Add":"}"},{"Add":""}]}}],"owner":"emily","repo":"advent-of-code","token":"Pv5+BlOvmGfqhIkIFvzogE8MzXufXShydmxAdTzuPvI=","login":null}

…

Dependencies

Change contents