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‎.gitignore

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.idea/
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config.php

‎2020/Day_01/benchmark.json

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{
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"PHP": "9.2294192314148E-7 s"
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}

‎2020/Day_01/code.php

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<?php
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require_once __DIR__ . '/../../lib/php/utils.php';
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$input = readInput(__DIR__);
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// Task code
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function part01(array $input): int
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{
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$result = 0;
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foreach ($input as $firstValue) {
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foreach ($input as $secondValue) {
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$sum = $firstValue + $secondValue;
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if ($sum === 2020) {
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$result = $firstValue * $secondValue;
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}
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}
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}
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return $result;
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}
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function part02(array $input): int
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{
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$result = 0;
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foreach ($input as $firstValue) {
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foreach ($input as $secondValue) {
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foreach ($input as $thirdValue) {
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$sum = $firstValue + $secondValue + $thirdValue;
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if ($sum === 2020) {
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$result = $firstValue * $secondValue * $thirdValue;
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}
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}
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}
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}
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return $result;
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}
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// Execute
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calcExecutionTime();
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$result01 = part01($input);
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writeln('Solution Part 1: ' . $result01);
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$result02 = part02($input);
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writeln('Solution Part 2: ' . $result02);
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$executionTime = calcExecutionTime();
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echo("Execution time: $executionTime" . PHP_EOL);
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saveBenchmarkTime($executionTime, __DIR__);
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// Task test
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testResults(
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[935419, 49880012], // Expected
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[$result01, $result02], // Result
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);

‎2020/Day_01/description.txt

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--- Day 1: Report Repair ---After saving Christmas five years in a row, you've decided to take a vacation at a nice resort on a tropical island. Surely, Christmas will go on without you.
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The tropical island has its own currency and is entirely cash-only. The gold coins used there have a little picture of a starfish; the locals just call them stars. None of the currency exchanges seem to have heard of them, but somehow, you'll need to find fifty of these coins by the time you arrive so you can pay the deposit on your room.
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To save your vacation, you need to get all fifty stars by December 25th.
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Collect stars by solving puzzles. Two puzzles will be made available on each day in the Advent calendar; the second puzzle is unlocked when you complete the first. Each puzzle grants one star. Good luck!
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Before you leave, the Elves in accounting just need you to fix your expense report (your puzzle input); apparently, something isn't quite adding up.
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Specifically, they need you to find the two entries that sum to 2020 and then multiply those two numbers together.
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For example, suppose your expense report contained the following:
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1721
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979
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366
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299
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675
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1456
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In this list, the two entries that sum to 2020 are 1721 and 299. Multiplying them together produces 1721 * 299 = 514579, so the correct answer is 514579.
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Of course, your expense report is much larger. Find the two entries that sum to 2020; what do you get if you multiply them together?

‎2020/Day_01/input.txt

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1883
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1543
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1801
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1731
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1070
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1631
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1490
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1179
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1098
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1582
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1717
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1830
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1408
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1524
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889
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985
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2005
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1540
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1085
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1607
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1518
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1993
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1496
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1537
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1514
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1719
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1218
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1420
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1027
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1339
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1430
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989
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1613
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1970
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1227
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1082
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1079
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1068
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1674
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1186
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1744
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1297
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1467
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1647
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1141
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1825
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1759
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1395
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1596
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1405
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1844
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1461
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1762
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1122
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1173
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1838
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1983
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1632
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1995
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1245
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1454
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1120
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1671
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1526
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1572
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1929
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1642
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1864
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1351
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1155
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1885
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1226
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1810
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1252
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1061
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1882
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2002
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1627
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1128
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1575
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1750
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1046
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1767
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1270
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1037
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1198
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1942
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1074
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1820
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1301
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1382
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1687
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1824
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1996
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1704
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1051
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1546
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1431
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1102
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1041
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1547
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1202
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1875
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1800
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1433
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1901
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1165
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1151
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1785
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1903
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1278
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1185
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1940
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1935
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1479
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1495
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719
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1683
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1972
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1483
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1589
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1636
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1055
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1317
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1530
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1990
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1099
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1697
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1286
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1089
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1136
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1383
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1802
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1618
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1050
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1980
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1279
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1777
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1635
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1721
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1660
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1569
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1554
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1432
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1695
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1551
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1601
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1263
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1866
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1998
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1466
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1205
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1445
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1578
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1267
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1873
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1610
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1900
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1192
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1827
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1305
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1528
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1140
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1440
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1269
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1748
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1187
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52
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1149
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1603
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1033
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1650
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1045
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1345
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1710
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1955
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1891
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1392
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1870
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1357
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1197
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1087
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1690
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1090
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622
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1590
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1304
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1533
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1971
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1959
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1842
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1172
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1653
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1093
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1299
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1203
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1119
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1193
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1223
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1291

‎2020/README.md

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# Advent of Code 2020
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[Advent of Code 2020](https://adventofcode.com/2020)
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# Benchmarks
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| Day | PHP |
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|:-------------:|:-------------:|
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| [Day 01](2020/Day_01/) | `9.2294192314148E-7 s` |
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| [Day 02](2020/Day_02/) | :x: |
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| [Day 03](2020/Day_03/) | :x: |
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| [Day 04](2020/Day_04/) | :x: |
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| [Day 05](2020/Day_05/) | :x: |
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| [Day 06](2020/Day_06/) | :x: |
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| [Day 07](2020/Day_07/) | :x: |
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| [Day 08](2020/Day_08/) | :x: |
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| [Day 09](2020/Day_09/) | :x: |
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| [Day 10](2020/Day_10/) | :x: |
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| [Day 11](2020/Day_11/) | :x: |
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| [Day 12](2020/Day_12/) | :x: |
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| [Day 13](2020/Day_13/) | :x: |
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| [Day 14](2020/Day_14/) | :x: |
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| [Day 15](2020/Day_15/) | :x: |
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| [Day 16](2020/Day_16/) | :x: |
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| [Day 17](2020/Day_17/) | :x: |
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| [Day 18](2020/Day_18/) | :x: |
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| [Day 19](2020/Day_19/) | :x: |
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| [Day 20](2020/Day_20/) | :x: |
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| [Day 21](2020/Day_21/) | :x: |
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| [Day 22](2020/Day_22/) | :x: |
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| [Day 23](2020/Day_23/) | :x: |
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| [Day 24](2020/Day_24/) | :x: |
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| [Day 25](2020/Day_25/) | :x: |

‎README.md

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# Advent of Code
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[2015](/2015/README.md) | [2016](/2016/README.md) | [2017](/2017/README.md) |
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[2018](/2018/README.md) | [2019](/2020/README.md) | [2020](/2020/README.md)
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This repository contains my solutions for [Advent of Code](https://adventofcode.com/).
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The folder for each day contains:
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- Task of the day
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- Input for the given task
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- Code to solve the given task
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- My solutions to the given input
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## Requirements
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- PHP 7.4
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- Advent of Code account
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## Installation
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- `cp config.php.example config.php`
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- Put your session token under: `config.php` file to be able to download descriptions and inputs.
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## Usage
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- `bin/task --year 2020 --day 1` - will prepare everything for the given task.
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- `bin/run --year 2020 --day 1` - will execute all `code.*` files for the given task.
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- `bin/readme --year 2020` - will create a `README.md` for the given year.
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### Languages
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You can add every language you want use.
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You only need to add the binary for executing your script into `binary-ext.map.php`.
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Already added languages:
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- PHP
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- Javascript/Node

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