Created
December 2, 2020 05:06
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Day1 Advent Code Ruby
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numbers = File.open("input.txt").map(&:to_i) | |
combinations = ENV.fetch("COMBOS", 2).to_i | |
puts numbers | |
.combination(combinations) | |
.find { |pair| pair.sum == 2020 } | |
.reduce(:*) |
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1472 | |
1757 | |
1404 | |
1663 | |
1365 | |
1974 | |
1649 | |
1489 | |
1795 | |
1821 | |
1858 | |
1941 | |
1943 | |
1634 | |
1485 | |
1838 | |
817 | |
1815 | |
1442 | |
639 | |
1182 | |
1632 | |
1587 | |
1918 | |
1040 | |
1441 | |
1784 | |
1725 | |
1951 | |
1285 | |
285 | |
1224 | |
1755 | |
1748 | |
1488 | |
1374 | |
1946 | |
1771 | |
1809 | |
1929 | |
1621 | |
1462 | |
2001 | |
1588 | |
1888 | |
1959 | |
1787 | |
1690 | |
1363 | |
1567 | |
1853 | |
1990 | |
1819 | |
1904 | |
1458 | |
1882 | |
1348 | |
1957 | |
1454 | |
1557 | |
1471 | |
332 | |
1805 | |
1826 | |
1745 | |
1154 | |
1423 | |
1852 | |
1751 | |
1194 | |
1430 | |
1849 | |
1962 | |
1577 | |
1470 | |
1509 | |
1673 | |
1883 | |
1479 | |
1487 | |
2007 | |
1555 | |
1504 | |
1570 | |
2004 | |
978 | |
1681 | |
1631 | |
1791 | |
1267 | |
1245 | |
1383 | |
1482 | |
1355 | |
1792 | |
1806 | |
1376 | |
1199 | |
1391 | |
1759 | |
1474 | |
1268 | |
1942 | |
1936 | |
1766 | |
1233 | |
1876 | |
1674 | |
1761 | |
1542 | |
1468 | |
1543 | |
1986 | |
2005 | |
1689 | |
1606 | |
1865 | |
1783 | |
1807 | |
1779 | |
1860 | |
1408 | |
1505 | |
1435 | |
1205 | |
1952 | |
1201 | |
1714 | |
1743 | |
1872 | |
1897 | |
1978 | |
1683 | |
1846 | |
858 | |
1528 | |
1629 | |
1510 | |
1446 | |
1869 | |
1347 | |
685 | |
1478 | |
1387 | |
687 | |
1964 | |
1968 | |
1429 | |
1460 | |
1777 | |
1417 | |
1768 | |
1672 | |
1767 | |
1400 | |
1914 | |
1715 | |
1425 | |
1700 | |
1756 | |
1835 | |
1926 | |
1889 | |
1568 | |
1393 | |
1960 | |
1540 | |
1810 | |
1401 | |
1685 | |
830 | |
1789 | |
1652 | |
1899 | |
796 | |
1483 | |
1261 | |
1398 | |
1727 | |
1566 | |
1812 | |
1937 | |
1993 | |
1286 | |
1992 | |
1611 | |
1825 | |
1868 | |
1870 | |
1746 | |
1361 | |
1418 | |
1820 | |
1598 | |
1911 | |
1428 | |
1734 | |
1833 | |
1436 | |
1560 |
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ruby day1.rb | |
COMBOS=3 ruby day1.rb |
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