alazyreader/AdventOfCode2020
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make it parallel, not that it makes it much faster

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This commit is contained in:
David 2020-12-01 22:19:49 -05:00
parent 1d3e59db86
commit b3bfb86563
1 changed files with 16 additions and 9 deletions
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25
01/main.go
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@ -35,12 +35,15 @@ func partOne() {
numbers = append(numbers, i) numbers = append(numbers, i)
} }
solution := make(chan int, 1)
for i := range numbers { for i := range numbers {
if result := checkTwoSums(numbers[i], numbers[i+1:]); result != 0 { go func(a int) {
fmt.Println(result) if r := checkTwoSums(numbers[a], numbers[a+1:]); r != 0 {
return solution <- r
} }
}(i)
} }
fmt.Println(<-solution)
} }
func checkTwoSums(i int, rest []int) int { func checkTwoSums(i int, rest []int) int {
@ -68,14 +71,18 @@ func partTwo() {
numbers = append(numbers, i) numbers = append(numbers, i)
} }
solution := make(chan int, 1)
for i := range numbers { for i := range numbers {
for j := range numbers[i+1:] { go func(a int) {
if result := checkThreeSums(numbers[i], numbers[j], numbers[j+1:]); result != 0 { for j := range numbers[a+1:] {
fmt.Println(result) if r := checkThreeSums(numbers[a], numbers[j], numbers[j+1:]); r != 0 {
return solution <- r
}
} }
} }(i)
} }
fmt.Println(<-solution)
} }
func checkThreeSums(i int, j int, rest []int) int { func checkThreeSums(i int, j int, rest []int) int {