Finish Day 1 of AdventOfCode

day01/input.txt

@@ -0,0 +1,200 @@
+1408
+1335
+1648
+1458
+1627
+1928
+1967
+1827
+1606
+1569
+1893
+1866
+1768
+1795
+1264
+1684
+1552
+1343
+1917
+1675
+1731
+1800
+1413
+1879
+1664
+1350
+1694
+1372
+1851
+1743
+1735
+833
+748
+1265
+1885
+1874
+2007
+1661
+1895
+1537
+1622
+1355
+762
+1533
+1771
+1966
+1978
+1572
+1833
+1969
+1805
+1820
+1536
+1911
+2009
+1817
+1268
+1998
+1759
+2008
+2002
+1187
+1896
+1850
+1734
+1849
+1589
+1302
+444
+1280
+1590
+1959
+902
+1709
+1932
+1277
+1561
+1301
+1831
+1286
+1693
+1927
+1467
+1384
+1662
+1401
+716
+1634
+1785
+1801
+1380
+1971
+1292
+1828
+185
+1560
+1322
+1787
+1545
+1395
+1445
+1807
+1750
+1867
+1433
+1894
+1821
+1983
+1578
+1669
+1610
+1549
+1556
+1346
+1616
+1999
+1925
+1387
+1659
+1457
+1237
+1808
+69
+1906
+1449
+1723
+1974
+1919
+1914
+1338
+1305
+1347
+1903
+1929
+1712
+1607
+1400
+197
+1575
+1282
+1296
+1737
+1396
+2003
+1453
+1660
+1646
+1991
+1565
+1416
+1995
+1784
+1367
+1420
+1593
+1654
+1306
+1916
+1797
+1594
+1471
+1405
+1698
+1541
+1900
+1963
+1696
+1574
+1853
+511
+1603
+1889
+1940
+1843
+1979
+272
+1726
+1294
+1877
+1441
+1697
+1644
+1956
+1689
+1665
+1631
+1717
+1781
+1450
+1618
+1317
+1799
+1950
+1722
+1960
+1628
+1941
+1977
+1775
+1529

day01/main.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	content, err := ioutil.ReadFile("input.txt")
+	if err != nil {
+		log.Print(err)
+		return
+	}
+	lines := strings.Split(string(content), "\r\n")
+	numbers := make([]int, len(lines))
+
+	for i := 0; i < len(numbers); i++ {
+		number, err := strconv.Atoi(lines[i])
+
+		if err != nil {
+			log.Print(err)
+			return
+		}
+
+		numbers[i] = number
+	}
+
+	var num1 int
+	var num2 int
+
+twoNumLoop:
+	for i := 0; i < len(numbers); i++ {
+		for j := i + 1; j < len(numbers); j++ {
+			if numbers[i]+numbers[j] == 2020 {
+				num1 = numbers[i]
+				num2 = numbers[j]
+				break twoNumLoop
+			}
+		}
+	}
+
+	log.Printf("First Number: %d", num1)
+	log.Printf("Second Number: %d", num2)
+
+	log.Printf("%d * %d = %d", num1, num2, num1*num2)
+
+	var num3 int
+
+threeNumLoop:
+	for i := 0; i < len(numbers); i++ {
+		for j := i + 1; j < len(numbers); j++ {
+			for k := j + 1; k < len(numbers); k++ {
+				if numbers[i]+numbers[j]+numbers[k] == 2020 {
+					num1 = numbers[i]
+					num2 = numbers[j]
+					num3 = numbers[k]
+					break threeNumLoop
+				}
+			}
+		}
+	}
+
+	log.Printf("First Number: %d", num1)
+	log.Printf("Second Number: %d", num2)
+	log.Printf("Third Number: %d", num3)
+
+	log.Printf("%d * %d * %d = %d", num1, num2, num3, num1*num2*num3)
+}