61 lines
935 B
Go
61 lines
935 B
Go
package main
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import (
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"embed"
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"fmt"
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"io/fs"
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"log"
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"os"
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"strconv"
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"strings"
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)
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//go:embed *
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var input embed.FS
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func main() {
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data, err := fs.ReadFile(input, "input")
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if err != nil {
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fmt.Printf("ERROR: failed to read input: %s", err)
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os.Exit(1)
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}
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totalVals := 0
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lines := strings.Split(string(data), "\n")
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for _, v := range lines {
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if v == "" {continue}
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values := ""
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chars := strings.Split(v, "")
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for i := 0; i < len(chars); i++ {
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num, err := strconv.ParseInt(chars[i], 10, 64)
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if err != nil {
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continue
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}
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values = values + fmt.Sprint(num)
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break
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}
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for i := len(chars)-1; i >= 0; i-- {
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num, err := strconv.ParseInt(chars[i], 10, 64)
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if err != nil {
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continue
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}
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values = values + fmt.Sprint(num)
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break
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}
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int, err := strconv.Atoi(values)
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if err != nil {
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log.Fatal(err)
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}
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totalVals = totalVals + int
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}
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fmt.Printf("The total is: %d\n", totalVals)
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}
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