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@@ -34,6 +34,25 @@ func readInput(file *os.File) []pair {
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return pairs
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}
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+func contains(first [2]int, second [2]int) bool {
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+ if first[0] >= second[0] && second[0] < first[1] && first[0] > second[1] && 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 part1(pairs []pair) int {
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+ count := 0
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+ for i := range pairs {
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+ if contains(pairs[i].first, pairs[i].second) || contains(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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@@ -47,5 +66,5 @@ func main() {
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}
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pairs := readInput(file)
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- fmt.Println(pairs)
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+ fmt.Println("Part1:", part1(pairs))
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}
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