p14-1.js

let instructions = ["mask = 100X000X100X00XX1010X0001X11XX100110", "mem[33470] = 43619", "mem[17642] = 12960", "mem[54949] = 1594", "mem[25705] = 17992", "mem[2865;1] = 47662", "mask = 1000X01110X1101X111X010XX110000X0010", "mem[12764] = 8190", "mem[19395] = 450940", "mem[29461] = 13796", "mem[7984] = 2208", "mem[5722] = 224803", "mask = X0X100001000101010X0000001XXX00X11X0", "mem[35213] = 1839", "mem[62594] = 437706588", "mem[24939] = 26442", "mem[56565] = 1170057", "mem[38970] = 1610", "mem[12859] = 191077", "mask = 11000001X0010X1111XX010001X01XX0X011", "mem[28644] = 6832", "mem[648] = 510", "mem[26425] = 45751198", "mem[6121] = 877133150", "mem[645] = 504190", "mask = 1X0X0X10000100010X00101111X101X0X1XX", "mem[574] = 5087144", "mem[31091] = 4987", "mem[30827] = 704", "mem[9302] = 63804165", "mem[62608] = 12748", "mem[13509] = 342715", "mask = 100X000010011011110001X111X0X11111X0", "mem[20873] = 16020708", "mem[2848] = 1636", "mem[56955] = 14139429", "mem[26453] = 102379", "mem[33525] = 1767526", "mask = 1010001X00X0X01X0101XXX110X000000001", "mem[21984] = 924398411", "mem[3374] = 1319620", "mem[48132] = 92618", "mask = 1X00000X100100110X0XX10011000000X010", "mem[648] = 35751", "mem[32653] = 3342", "mem[36924] = 34287704", "mem[52556] = 9004703", "mem[30098] = 397", "mem[65066] = 1309", "mem[12146] = 78457", "mask = X001000X10010011111001000X011XX00010", "mem[65334] = 1386", "mem[21909] = 447915212", "mem[1243] = 154088", "mem[7330] = 542311", "mem[25436] = 1409628", "mem[49661] = 1707251", "mask = 1110X000XX001XX1110001000000110110X1", "mem[24816] = 140319030", "mem[19331] = 1397", "mem[36701] = 26868", "mem[6958] = 59463077", "mem[23880] = 64111", "mem[14155] = 494925", "mask = 100100XX000X0X01X000X000100000000000", "mem[34272] = 321335", "mem[2789] = 800055021", "mem[31890] = 1268179", "mem[15735] = 64614", "mask = 10XX1X1000X1001X110000110X1100000010", "mem[52959] = 119", "mem[65334] = 240968", "mem[33670] = 984", "mem[29240] = 10577416", "mem[6234] = 42426", "mem[50296] = 4021", "mem[52522] = 282916082", "mask = 1X0000XXX001001X1100001X11111X0X0101", "mem[512] = 1718", "mem[24603] = 319597952", "mem[45957] = 490061", "mask = 1000X0111011011X1111XX101X001XXX1100", "mem[48088] = 3760968", "mem[12195] = 134", "mem[13250] = 125184937", "mem[6378] = 1909743", "mem[4524] = 34079900", "mem[33793] = 2715490", "mask = 10010X00X0X010X1110X0X100X000001X111", "mem[44762] = 164638769", "mem[1307] = 493922", "mem[2789] = 106385", "mask = 000000X0000X01X101X11001101011100010", "mem[33232] = 324866264", "mem[58828] = 13712", "mem[9792] = 500596", "mask = X00000111101X010111001X10100000X0100", "mem[35062] = 229144", "mem[13214] = 8870", "mem[29008] = 509129", "mem[23977] = 474", "mem[64509] = 232243215", "mem[539] = 213782318", "mem[41932] = 99693595", "mask = 1X0000XXX0010011X100X10X0111100X11X0", "mem[64393] = 12134", "mem[27639] = 51028341", "mem[8519] = 233404408", "mem[58948] = 1364", "mem[41638] = 969", "mask = 100000X0X10X0011X1001111X001110X110X", "mem[48925] = 27022695", "mem[1668] = 555", "mask = 10XX00010111X001010X0X00110101101110", "mem[34785] = 107013907", "mem[30862] = 116531", "mem[37609] = 1169", "mem[29159] = 79893589", "mem[24124] = 4435", "mem[15848] = 211140", "mask = 1X1X0000X0X01011110001100X0X0101XX01", "mem[7306] = 9297181", "mem[39624] = 56652", "mem[19395] = 30903", "mem[26699] = 875378250", "mask = 10101X1000011X11110001XX111001010010", "mem[56955] = 131498335", "mem[13479] = 253473", "mem[32536] = 988562", "mask = X0XX0001X0011010XX1001010111010X1000", "mem[1872] = 79920634", "mem[14860] = 28428262", "mem[15623] = 48262125", "mask = 10010000X0X110111100XXX001000111XXXX", "mem[8003] = 27178", "mem[19025] = 20797909", "mem[8426] = 594719044", "mem[19673] = 495624", "mask = 1X01000X100X0011111000110100101001X1", "mem[25330] = 326966540", "mem[17662] = 314119", "mem[61013] = 61395", "mem[5973] = 102759224", "mem[49957] = 94512", "mask = 100000X1X00110101110X11011111XX01100", "mem[962] = 30767404", "mem[53469] = 1017922130", "mem[45444] = 523349", "mask = X00100110X1100010X0000X0X1X000XX0011", "mem[9510] = 907", "mem[43012] = 935883084", "mem[54252] = 234136", "mem[26591] = 186879", "mask = 1100001X100X001111XXX110011X11011001", "mem[35978] = 382347", "mem[65344] = 2627", "mem[48039] = 425081487", "mem[25436] = 211461256", "mask = 10000110000100010100101XX100X0111X00", "mem[46678] = 2550", "mem[6842] = 94620", "mem[17740] = 331402", "mem[369] = 585126", "mem[29003] = 3361567", "mask = 00001X10000100110X01100110000X001X01", "mem[6641] = 3291", "mem[57684] = 1288724", "mem[10368] = 3092", "mem[1691] = 113", "mem[53521] = 66841458", "mask = XXX0001X00010011010X11X11XX01100000X", "mem[14359] = 31504294", "mem[26973] = 65316095", "mem[25330] = 4502057", "mem[28782] = 391", "mem[50820] = 3613708", "mem[7396] = 2070289", "mask = 100X00000X11X011110010001X1X01110000", "mem[33830] = 2489618", "mem[10778] = 25554734", "mem[50275] = 4814", "mem[1337] = 894496769", "mem[22221] = 20298", "mem[32653] = 6210730", "mem[14132] = 20180210", "mask = 100X000X1001X01111X001XXX00010X11X11", "mem[9428] = 1226484", "mem[26591] = 41638310", "mem[9548] = 464177", "mask = 000100X1X01100010XX01X1X1X0000000110", "mem[43013] = 20788", "mem[31840] = 6618", "mem[55203] = 86199", "mem[18436] = 1218590", "mem[48492] = 54642", "mask = 11X10000101X1XX1X10001100000X1011011", "mem[13388] = 58912508", "mem[55154] = 1575819", "mem[14536] = 40492746", "mem[32028] = 899121184", "mem[19040] = 39364", "mem[30536] = 483556", "mem[39091] = 3409", "mask = 101XX010XX01X01111000X101101X1X00010", "mem[15883] = 954907", "mem[48631] = 791524", "mem[6842] = 392470", "mem[18541] = 3325672", "mask = 100000X0000100111100011111101XXX0101", "mem[53324] = 1115", "mem[19724] = 60827", "mem[226] = 145184", "mem[17218] = 3776", "mem[41773] = 26713", "mem[59756] = 239511831", "mask = 0X00X0XX0001001101011X011000X10X0X01", "mem[27218] = 21421", "mem[7812] = 23327426", "mem[333] = 7770", "mask = 1X0000X00X01001101XXX11000X101001111", "mem[39960] = 151", "mem[42954] = 6588004", "mask = X010XX0010001XX1X1X000000101X000X001", "mem[17822] = 11981484", "mem[64005] = 13365", "mem[14356] = 4133695", "mem[41591] = 1910", "mask = 101010X011X10011X10000011010111X1000", "mem[64393] = 246340", "mem[11682] = 335", "mem[4551] = 192", "mem[62286] = 7157612", "mask = X10X000XX00X011X010X1111000100101000", "mem[41086] = 24182", "mem[52688] = 13433903", "mem[27952] = 472864", "mem[15623] = 658", "mem[53618] = 13420832", "mem[50687] = 7916", "mask = 10X0X0011X01101011X00101X0000X101001", "mem[21585] = 79669", "mem[40443] = 667", "mem[11223] = 192963", "mem[64509] = 237828", "mem[59756] = 120881", "mask = 1X000011X0X10X1X110001X0X100X110100X", "mem[41776] = 114946562", "mem[17318] = 12138", "mask = 1001X0100X010001X000XX111X0001001101", "mem[45444] = 39574336", "mem[45767] = 1001138", "mem[54857] = 28854058", "mem[53618] = 119933702", "mem[16087] = 217172082", "mem[39965] = 1038124", "mask = X001X010X1010X0X0110110001010100X101", "mem[26168] = 10252507", "mem[11431] = 517718220", "mem[9157] = 174396", "mem[50097] = 52617175", "mem[33525] = 22980", "mem[25687] = 438640", "mem[22317] = 186754300", "mask = X0001XX10001111X11XX1X11111001110010", "mem[43430] = 52170", "mem[7089] = 89721988", "mem[31879] = 17771306", "mask = 100000001000X011X11X010X010011001010", "mem[55787] = 20255", "mem[12215] = 2673234", "mem[27699] = 41544", "mem[43730] = 37137202", "mem[22189] = 2171684", "mem[16916] = 8417", "mem[59117] = 493", "mask = 0100XX100X0X00X1010X1XX110100000X011", "mem[21942] = 84253124", "mem[8387] = 285989", "mem[47595] = 43238786", "mem[11273] = 5891", "mem[18870] = 14700", "mem[31397] = 18891861", "mask = X1000001X0010X110100011100X1001X01X0", "mem[57801] = 61", "mem[24881] = 116648550", "mem[45565] = 8353393", "mem[30104] = 2206", "mem[47328] = 95481", "mask = 1XX1000010010001101110X01X011110011X", "mem[54055] = 1602", "mem[20200] = 58023", "mem[30037] = 638", "mask = 100000111X0110X01110011X00000X01011X", "mem[29371] = 3431", "mem[42750] = 3528", "mem[58948] = 181", "mem[50006] = 673", "mem[56011] = 27999", "mem[13828] = 12063430", "mask = XX0XX01000000XX101011100110110001X11", "mem[1905] = 12823719", "mem[333] = 1372760", "mask = X010XXX01101001111000XX111XX01X01000", "mem[23642] = 75901831", "mem[34749] = 609008654", "mem[12955] = 127972294", "mem[18507] = 4830711", "mem[21470] = 2045", "mem[37284] = 251298", "mem[49714] = 201296", "mask = 1X1000X0X00010111X00X1X0X10X01011101", "mem[2789] = 22193", "mem[7660] = 63", "mem[42432] = 50568", "mem[286] = 765", "mem[33793] = 469339", "mem[18119] = 35341", "mask = 1000000X0011101XX1000000111000X01001", "mem[35490] = 2442", "mem[20611] = 12075048", "mem[34677] = 3133", "mem[33881] = 894", "mem[8346] = 3515", "mask = 100X000X1X0X00111X1001XX000X1X001010", "mem[26390] = 624351", "mem[30882] = 13200", "mem[58137] = 104562", "mem[37620] = 36784591", "mask = 1X0000X00X0100X1X1000100X1101101X1X0", "mem[8667] = 620484", "mem[45957] = 828", "mem[38134] = 8355359", "mem[8519] = 5218065", "mem[64260] = 7873", "mask = 010X0X100X00001101001101X001XX0XX11X", "mem[9421] = 372657", "mem[56122] = 62813", "mem[47934] = 978793189", "mem[32792] = 26560", "mem[31304] = 1765", "mask = 1001X00100X11101110000100111X110X1XX", "mem[14692] = 25633", "mem[23742] = 637", "mem[50109] = 407566", "mask = 10XX0010000X0011010XX0X010X01X0000X1", "mem[55203] = 46787013", "mem[11467] = 3191791", "mem[41125] = 93231592", "mem[20366] = 27729722", "mem[31879] = 22982", "mem[61816] = 6962", "mask = 1X000001100XX0111110010XX0000001000X", "mem[40255] = 55627314", "mem[50613] = 46448557", "mem[45214] = 23418478", "mem[7236] = 3872572", "mem[12215] = 769893", "mem[34578] = 24974787", "mask = 000XX00X00010111010X001111X00110XX0X", "mem[37067] = 823", "mem[31124] = 11297", "mem[62421] = 738", "mem[10716] = 59263363", "mem[21184] = 12111474", "mem[46944] = 422007", "mask = 100XX00XX0011XX11100X11011X11111X011", "mem[14201] = 18573", "mem[15883] = 625820659", "mem[63146] = 15834139", "mem[32183] = 53278160", "mask = 100X00XX01X1000101XX11X101100100110X", "mem[23880] = 254387", "mem[17709] = 535", "mem[12764] = 233258822", "mem[48039] = 4269", "mem[50109] = 68584", "mem[7591] = 122179383", "mask = 010X000000000110X1011X100X0000011110", "mem[37974] = 1548", "mem[63233] = 8930", "mem[44778] = 580", "mem[10051] = 1040", "mem[26492] = 30761", "mem[37244] = 112642", "mask = 110000X000010011X100X1110111X0101010", "mem[1292] = 3437", "mem[35025] = 9366905", "mask = 1X0X0000000110X11101X0001X001X100X0X", "mem[7591] = 1608710", "mem[41818] = 12566", "mem[36016] = 116197417", "mask = 100000X110011X1X111001X1X10XX10100X0", "mem[18119] = 4227630", "mem[14505] = 15635472", "mem[48279] = 1404607", "mem[28911] = 69031387", "mem[24966] = 15866", "mem[42764] = 14196595", "mem[30536] = 144959", "mask = 1X000011X0011110111X10001011X100X1X0", "mem[15897] = 1863569", "mem[37284] = 731018", "mem[48279] = 2085462", "mask = 10X0X001X001101111X0010110100001X010", "mem[28911] = 16197451", "mem[6925] = 165614747", "mem[22080] = 265387922", "mem[59318] = 1779761", "mask = 00000XXX00X10011010011001100100X0111", "mem[65156] = 112050975", "mem[19901] = 889831505", "mem[58996] = 1264160", "mem[30802] = 2605", "mem[12608] = 1327785", "mask = 10000000100100111100001X00X1X000X10X", "mem[30536] = 27834493", "mem[26591] = 245069", "mem[1428] = 520474", "mem[53343] = 17883", "mem[2814] = 23356", "mask = 10000011X001111XX11X00X00X0X110X111X", "mem[28058] = 418", "mem[47970] = 3379204", "mem[32241] = 102702752", "mem[40499] = 252023", "mem[23125] = 1672", "mem[9536] = 63991", "mask = 10XX0010X0X10X011100XX1111101X0X0111", "mem[16311] = 126300735", "mem[58427] = 40289", "mem[32982] = 3884", "mem[14356] = 54916", "mem[17348] = 224162", "mem[48317] = 61261036", "mem[35998] = 729091", "mask = 10000X111X0X101011100X01000000010100", "mem[24655] = 85021463", "mem[61136] = 836486", "mem[35978] = 4899339", "mem[65066] = 4025758", "mem[52424] = 1033481", "mem[9536] = 3374650", "mem[8519] = 10572", "mask = 10X00001100100X11010010X0010001X1110", "mem[403] = 495031", "mem[26453] = 37096", "mem[55416] = 701491", "mem[33450] = 1673825", "mask = X0001X11X011X11X11X11000X1X0100011X1", "mem[22597] = 770136", "mem[11273] = 27425065", "mask = 0010001X00010011X100X01001X000111X11", "mem[29980] = 365", "mem[63378] = 228883", "mem[53819] = 66035413", "mask = 10010000100XX0XX101X0XXX01X010001100", "mem[28534] = 1807", "mem[47970] = 7119644", "mem[18194] = 1735", "mem[47877] = 3151", "mask = 1011000010X0X0111100X000101110X10011", "mem[25154] = 29964570", "mem[63129] = 10159624", "mask = 1000000110X100111X00X1010011X1001100", "mem[56487] = 870", "mem[58828] = 290175", "mask = X001000X10000010X010X010000110X11110", "mem[7471] = 39984", "mem[25738] = 966851148", "mask = 101X001X0010101101011X011011X000X111", "mem[24018] = 4476674", "mem[13140] = 291", "mem[25421] = 40046", "mem[15399] = 1294317", "mask = X0000001001XX010110010001110010110X1", "mem[112] = 311", "mem[3121] = 6243634", "mem[53286] = 4539", "mem[11587] = 103665767", "mask = 10X000010001001X110X01001X1XX1011000", "mem[5973] = 1483346", "mem[16087] = 18208048", "mem[31515] = 16445771", "mask = 1X10X0001X001011X00X000001101111X000", "mem[63378] = 436", "mem[25436] = 302283", "mem[46198] = 11243", "mem[11662] = 3899", "mem[52857] = 258122375", "mem[18733] = 714131", "mask = X1001001000X01110XXX1X1101X11110X110", "mem[37620] = 623911", "mem[49205] = 17280", "mem[15039] = 35801359", "mem[21629] = 739", "mem[48696] = 3250862", "mem[20379] = 953585581", "mask = 11X00X001001001100X0111X111X1000110X", "mem[14356] = 6011", "mem[41598] = 136971765", "mem[12195] = 636", "mem[21511] = 501639396", "mem[19096] = 10274", "mem[51716] = 65184", "mask = 100100001X01001111X0XX110X001111X001", "mem[14156] = 2218677", "mem[45629] = 98324", "mem[18461] = 3590995", "mem[871] = 53862879", "mem[14400] = 23945494", "mask = X001X000X00110XX11X00000100011011010", "mem[65400] = 8312366", "mem[17561] = 21548519", "mem[2814] = 128148", "mask = 1000X010X0X10001110000XX1110110X011X", "mem[58996] = 30993534", "mem[15623] = 1021", "mem[25554] = 318162731", "mem[32046] = 51129", "mem[61190] = 8349331", "mem[31091] = 30157588", "mask = XX00X001XX010111010X10100X01010X00X1", "mem[14900] = 187327555", "mem[56145] = 1592827", "mem[26453] = 6842063", "mem[53679] = 93694", "mem[28489] = 1913", "mask = 10XX00001000X0XX110011000110110X1001", "mem[32609] = 26490", "mem[17188] = 150719", "mem[1396] = 140150", "mem[48631] = 290304", "mem[29618] = 31699", "mask = XX0X001110X1X1111111X1X100111X0X1100", "mem[14350] = 15950", "mem[28058] = 24716", "mem[39402] = 2278565", "mask = 001000100001X011X1001111X1X0XXX1XX11", "mem[8502] = 118162", "mem[42034] = 2943", "mem[64089] = 22975", "mem[612] = 961538", "mem[2245] = 618000", "mem[8426] = 838813335", "mask = 10XX00X0100X1011110001X00000XX001111", "mem[55977] = 263096128", "mem[1243] = 11494211", "mem[27129] = 44889227", "mem[17879] = 526818471", "mem[20967] = 68907", "mem[19821] = 101439", "mask = X00X00X01011000111X00010X11111000110", "mem[41820] = 57481789", "mem[47715] = 15667172", "mem[16108] = 601", "mem[42045] = 64000414", "mem[3396] = 16801", "mem[41933] = 192293", "mem[21511] = 1735", "mask = 1X000X1110011XX11110XX010000110101X0", "mem[12491] = 1582234", "mem[35490] = 1901772", "mem[19673] = 137803450", "mem[48817] = 821120", "mem[17876] = 24649", "mem[53314] = 5813", "mem[10808] = 1281", "mask = 1001X00000X11011110XXX001X000X01X000", "mem[18609] = 22890216", "mem[9726] = 42312", "mem[14459] = 15520"];

function dec2bin(dec) {
  let str = (dec >>> 0).toString(2),
    add = 36 - str.length;
  for (let i = 0; i < add; i++) {
    str = '0' + str;
  }
  return str;
}

function setCharAt(str, index, chr) {
  if (index > str.length - 1) return str;
  return str.substring(0, index) + chr + str.substring(index + 1);
}

function replaceMask(mask, val) {
  for (let i = 0; i < val.length; i++) {
    if (mask[i] != 'X') {
      val = setCharAt(val, i, mask[i]);
      // console.log(mask[i], val, i);
    }
  }

  return val;
}

function sumObjects(obj) {
  let sum = 0;
  Object.keys(obj).forEach(key => {
    sum += obj[key];
  })
  return sum;
}

let currentMask = '';
let mem = {};

for (let i = 0; i < instructions.length; i++) {
  let instr = instructions[i].split(' = ')[0],
    val = instructions[i].split(' = ')[1];

  if (instr == 'mask') {
    currentMask = val;
  } else if (instr.startsWith('mem')) {
    let addr = instr.split('[')[1].split(']')[0];
    let binVal = dec2bin(Number(val));
    binVal = replaceMask(currentMask, binVal);
    mem[addr] = parseInt(binVal, 2);
  }
}

console.log(sumObjects(mem));