advent-of-code/2020/solutions/1/go/main.go

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2020-12-04 19:45:03 +01:00
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)
}