FInish day 1

Author: garritfra

1/go.mod

@@ -0,0 +1,3 @@
+module 1
+
+go 1.15

1/input.txt

@@ -0,0 +1,200 @@
+1429
+1368
+1661
+1687
+1593
+1495
+1565
+1500
+1635
+1845
+1645
+1999
+1415
+1054
+1930
+1774
+1405
+1993
+1757
+1623
+1675
+1665
+631
+1950
+1702
+1311
+1509
+1790
+1643
+1884
+226
+1455
+1679
+1746
+1284
+1342
+1684
+1543
+1396
+1806
+1523
+1363
+1011
+1577
+1767
+1287
+1885
+1517
+1556
+1722
+1260
+1624
+1466
+1263
+1162
+1688
+1202
+1913
+1964
+1385
+1970
+1976
+1431
+858
+1748
+1544
+1438
+1300
+1926
+1587
+1376
+1939
+1039
+1639
+1539
+1491
+1631
+1521
+1564
+1507
+1637
+1534
+1713
+1533
+1118
+1356
+2003
+282
+1079
+1837
+1259
+1941
+1836
+1903
+1433
+1467
+1027
+1441
+1048
+1742
+1087
+1872
+1476
+1657
+1361
+1182
+1494
+1529
+1822
+1444
+1330
+1514
+1723
+1432
+1683
+1997
+1443
+1474
+1932
+1504
+1313
+1765
+19
+1784
+1619
+992
+1560
+1680
+1626
+1558
+1899
+1293
+1676
+1161
+1140
+1341
+1597
+1628
+1611
+1302
+1269
+1241
+1952
+1591
+1726
+428
+1703
+1289
+1109
+1478
+1002
+1817
+1849
+1838
+1319
+1641
+583
+1920
+1453
+1411
+1870
+1763
+1469
+1646
+1719
+1213
+1462
+1545
+1682
+1711
+18
+2004
+1252
+1620
+1559
+1315
+781
+1656
+1987
+1436
+1630
+1985
+1897
+1551
+1296
+1282
+1735
+1320
+1659
+1271
+1380
+1274
+1876
+1492
+1298
+1399
+1692
+1265
+1555
+1337

1/main.go

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+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"math/rand"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	data, err := ioutil.ReadFile("input.txt")
+	if err != nil {
+		fmt.Println("File reading error", err)
+		return
+	}
+	lines := strings.Split(string(data), "\n")
+
+	for {
+		num1, _ := strconv.Atoi(lines[rand.Intn(len(lines))])
+		num2, _ := strconv.Atoi(lines[rand.Intn(len(lines))])
+
+		if num1+num2 == 2020 {
+			fmt.Println(num1, " * ", num2, " = ", num1*num2)
+			break
+		}
+	}
+
+}