57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
|
package Y22
|
||
|
|
|
||
|
|
import (
|
||
|
|
"adventofcode/helpers"
|
||
|
|
"sort"
|
||
|
|
"strconv"
|
||
|
|
)
|
||
|
|
|
||
|
|
func Day1() helpers.DayResults {
|
||
|
|
day1Example := helpers.ReadFileByLine("inputs/Y22/day1-example.txt")
|
||
|
|
day1 := helpers.ReadFileByLine("inputs/Y22/day1.txt")
|
||
|
|
|
||
|
|
calorieCount := calculateCalories(day1Example)
|
||
|
|
part1Example := calorieCount[len(calorieCount)-1]
|
||
|
|
part2Example := calorieCount[len(calorieCount)-1] + calorieCount[len(calorieCount)-2] + calorieCount[len(calorieCount)-3]
|
||
|
|
|
||
|
|
calorieCount = calculateCalories(day1)
|
||
|
|
part1Result := calorieCount[len(calorieCount)-1]
|
||
|
|
part2Result := calorieCount[len(calorieCount)-1] + calorieCount[len(calorieCount)-2] + calorieCount[len(calorieCount)-3]
|
||
|
|
|
||
|
|
results := helpers.DayResults{
|
||
|
|
Day: 1,
|
||
|
|
Year: 2022,
|
||
|
|
Part1Example: part1Example,
|
||
|
|
Part1: part1Result,
|
||
|
|
Part2Example: part2Example,
|
||
|
|
Part2: part2Result,
|
||
|
|
}
|
||
|
|
|
||
|
|
return results
|
||
|
|
}
|
||
|
|
|
||
|
|
func calculateCalories(data []string) []int {
|
||
|
|
var calorieCount []int
|
||
|
|
total := 0
|
||
|
|
for _, line := range data {
|
||
|
|
if line == "" {
|
||
|
|
calorieCount = append(calorieCount, total)
|
||
|
|
total = 0
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
val, err := strconv.Atoi(line)
|
||
|
|
if err != nil {
|
||
|
|
panic(err)
|
||
|
|
}
|
||
|
|
|
||
|
|
total += val
|
||
|
|
}
|
||
|
|
|
||
|
|
sort.Slice(calorieCount, func(i, j int) bool {
|
||
|
|
return calorieCount[i] < calorieCount[j]
|
||
|
|
})
|
||
|
|
|
||
|
|
return calorieCount
|
||
|
|
}
|