move to 2020 fodler

2020/solutions/1/README.md

@@ -0,0 +1,12 @@
+# 1
+
+This is quite simple, just iterate and find.
+
+
+<details>
+  <summary>Solutions</summary>
+  <ol>
+    <li>1224 and 796 -> 974304</li>
+    <li>332, 858 and 830 -> 236430480</li>
+  </ol>
+</details>

2020/solutions/1/go/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"strconv"
+	"strings"
+)
+
+const target uint64 = 2020
+
+func findTwo(list []uint64) {
+	for _, a := range list {
+		for _, b := range list {
+			if a+b == target {
+				fmt.Printf("The numbers: %v and %v.\tSolution: %v\n", a, b, a*b)
+				return
+			}
+		}
+
+	}
+}
+
+func findThree(list []uint64) {
+	for _, a := range list {
+		for _, b := range list {
+			for _, c := range list {
+				if a+b+c == target {
+					fmt.Printf("The numbers: %v, %v and %v.\tSolution: %v\n", a, b, c, a*b*c)
+					return
+				}
+			}
+		}
+	}
+}
+
+func main() {
+	data, err := ioutil.ReadFile("./solutions/1/data.txt")
+	if err != nil {
+		fmt.Println("File reading error", err)
+		return
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(data)), "\n")
+	intLines := []uint64{}
+	for _, i := range lines {
+		num, _ := strconv.ParseUint(i, 10, 64)
+		intLines = append(intLines, num)
+	}
+
+	// fmt.Println("Result: ", findTwo(intLines))
+	// fmt.Println("Result: ", findThree(intLines))
+	findTwo(intLines)
+	findThree(intLines)
+}

2020/solutions/1/python/main.py

@@ -0,0 +1,17 @@
+from typing import List
+from itertools import product
+from os.path import join, dirname
+
+target = 2020
+data = join(dirname(__file__), '../data.txt')
+with open(data) as f:
+    numbers: List[int] = list(map(int, f.readlines()))
+    for a, b in product(numbers, numbers):
+        if a + b == target:
+            print(f'The numbers: {a} and {b}.\tSolution: {a*b}')
+            break
+
+    for a, b, c in product(numbers, numbers, numbers):
+        if a + b + c == target:
+            print(f'The numbers: {a}, {b} and {c}.\tSolution: {a*b*c}')
+            break