aoc2015/day17/day.go
2020-12-29 08:45:18 +01:00

41 lines
802 B
Go

package day17
import (
"fmt"
"sort"
"tools"
)
func getCombinations(containers []int, sum int) (combinations [][]int) {
for i, c := range containers {
if c > sum {
break
} else if c == sum {
return [][]int{{c}}
} else if i == len(containers)-1 {
break
}
subCombinations := getCombinations(containers[i:], sum-c)
for _, v := range subCombinations {
subCombination := append([]int{c}, v...)
combinations = append(combinations, subCombination)
}
}
return combinations
}
func Part1(puzzle tools.AoCPuzzle) interface{} {
input := puzzle.GetInputArrayInt()
sort.Ints(input)
combos25 := getCombinations(input, 25)
fmt.Println(combos25)
//combos150 := getCombinations(input, 150)
return len(combos25)
}
func Part2(puzzle tools.AoCPuzzle) interface{} {
return 0
}