Advent of Code 2021 Day 8

8a.go

package main

import (
	_ "embed"
	"fmt"
	"strings"
)

//go:embed input.txt
var input string

type Number struct {
	NumVals int
	Value   int
}

var nums = []Number{
	{
		NumVals: 2,
		Value:   1,
	},
	{
		NumVals: 4,
		Value:   4,
	},
	{
		NumVals: 3,
		Value:   7,
	},
	{
		NumVals: 7,
		Value:   8,
	},
}

func main() {
	lines := strings.Split(input, "\n")
	cnt := 0
	for _, line := range lines {
		data := strings.Split(line, " | ")[1]
		vals := strings.Split(data, " ")
		for _, val := range vals {
			for _, num := range nums {
				if num.NumVals == len(val) {
					cnt++
				}
			}
		}
	}
	fmt.Println(cnt)
}

8b.txt

Can't figure out how to solve :(