smark/adventofcode
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add comments to day02 and day03
This commit is contained in:
Sebastian Mark 2024-12-04 15:33:55 +01:00
parent d67d377bd4
commit faaff8013f
2 changed files with 5 additions and 1 deletions
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2024/03/main.go
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@ -20,6 +20,7 @@ func main() {
}
func findAndExecuteInstructions(memory string) (res int) {
// find all `mul()` and save numbers as MatchGroup 1 + 2
re := regexp.MustCompile(`mul\((\d{1,3}),(\d{1,3})\)`)
instructions := re.FindAllStringSubmatch(memory, -1)
@ -31,6 +32,8 @@ func findAndExecuteInstructions(memory string) (res int) {
}
func findAndExecuteEnabledInstructions(memory string) (res int) {
// find all `mul()` and save numbers as MatchGroup 1 + 2
// save `do()` and `dont()` in MatchGroup 0
re := regexp.MustCompile(`mul\((\d{1,3}),(\d{1,3})\)|do\(\)|don't\(\)`)
instructions := re.FindAllStringSubmatch(memory, -1)