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- package main
-
- import (
- "fmt"
- "github.com/csmith/aoc-2019/common"
- )
-
- func fuel(mass int) int {
- return (mass / 3) - 2
- }
-
- func fuelRequirements(input []int) (int, int) {
- var (
- simpleTotal = 0
- recursiveTotal = 0
- )
-
- for _, mass := range input {
- required := fuel(mass)
- simpleTotal += required
- for required > 0 {
- recursiveTotal += required
- required = fuel(required)
- }
- }
- return simpleTotal, recursiveTotal
- }
-
- func main() {
- input := common.ReadFileAsInts("01/input.txt")
- part1, part2 := fuelRequirements(input)
- fmt.Println(part1)
- fmt.Println(part2)
- }
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