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@@ -53,6 +53,25 @@ func part1(pairs []pair) int {
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return count
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}
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+func overlaps(first [2]int, second [2]int) bool {
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+ if second[0] >= first[0] && second[0] <= first[1] || second[1] >= first[0] && second[1] <= first[1] {
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+ return true
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+ }
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+
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+ return false
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+}
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+
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+func part2(pairs []pair) int {
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+ count := 0
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+ for i := range pairs {
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+ if overlaps(pairs[i].first, pairs[i].second) || overlaps(pairs[i].second, pairs[i].first) {
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+ count++
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+ }
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+ }
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+
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+ return count
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+}
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+
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func main() {
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if len(os.Args) < 2 {
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log.Fatal("You need to specify a file!")
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@@ -67,4 +86,5 @@ func main() {
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pairs := readInput(file)
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fmt.Println("Part1:", part1(pairs))
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+ fmt.Println("Part2:", part2(pairs))
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}
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