public void TuplesLength2()
{
var data = new int[] { 1721, 979, 366, 299, 675, 1456 };
var requiredSum = 2020;
var product = Puzzle01.TuplesProductForGivenSum(data, requiredSum, 2);
Assert.Equal(514579, product);
}
private static void Main(string[] args)
{
var requiredSum = 2020;
var inputs = new int[] { 1650, 1174, 1156, 1874, 1958, 1918, 1980, 1588, 1863, 1656, 1843, 1738, 2001, 1883, 1941, 1602, 1881, 1927, 1284, 1474, 1942, 1992, 1925, 1990, 1831, 1907, 1914, 1815, 1921, 1589, 1224, 1148, 1223, 935, 1726, 1828, 1838, 1611, 1960, 1668, 1744, 1566, 1902, 1203, 1975, 1225, 2000, 1678, 1950, 572, 1812, 1568, 1484, 1767, 1509, 1658, 1127, 1870, 1098, 1294, 1310, 1483, 1865, 1967, 1856, 1963, 1929, 1119, 132, 1969, 1094, 1523, 1701, 1896, 1631, 1956, 1910, 1672, 1232, 1285, 1761, 1649, 1931, 1959, 1191, 1846, 1908, 1976, 1500, 1940, 1924, 1521, 1989, 1635, 1102, 1114, 1948, 2007, 1964, 1926, 1590, 1900, 1690, 1880, 1596, 1395, 1373, 1937, 1833, 1845, 1949, 1128, 1218, 1928, 1912, 1893, 1869, 960, 1813, 1645, 1490, 1318, 1934, 1259, 2005, 1522, 1270, 1089, 1674, 1997, 1112, 1954, 1769, 1829, 1814, 1922, 1904, 1894, 1595, 1103, 237, 1943, 1364, 1906, 1971, 1998, 1461, 1606, 1911, 1545, 1952, 1917, 1582, 1994, 1946, 1935, 1844, 1938, 1633, 2004, 1132, 1530, 1915, 1982, 1871, 1852, 1613, 1476, 1216, 1834, 1939, 409, 1895, 1120, 1194, 1135, 1899, 1901, 1439, 485, 1855, 1136, 200, 1887, 250, 1930, 1506, 1945, 1988, 1170, 1575, 1872, 1261, 1137, 1978, 1537, 1897, 1837, 1753, 1913 };
var resultLen2 = Puzzle01.TuplesProductForGivenSum(inputs, requiredSum, 2);
var resultLen3 = Puzzle01.TuplesProductForGivenSum(inputs, requiredSum, 3);
Console.WriteLine($"Length 2: {resultLen2}");
Console.WriteLine($"Length 3: {resultLen3}");
}