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@@ -4,6 +4,7 @@ import (
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"fmt"
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"io/ioutil"
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"log"
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+ "os"
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"strconv"
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"strings"
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)
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@@ -31,7 +32,22 @@ func readInput(file string) []int {
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return input
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}
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+func part1(input []int) int {
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+ increase := 0
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+ for i := 1; i < len(input); i++ {
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+ if input[i-1] < input[i] {
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+ increase++
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+ }
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+ }
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+
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+ return increase
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+}
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+
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func main() {
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- input := readInput("./testinput1")
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- fmt.Println(input)
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+ if len(os.Args) < 2 {
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+ log.Fatal("Please provide a file name as argument")
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+ }
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+
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+ input := readInput(os.Args[1])
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+ fmt.Println("Part 1:", part1(input))
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}
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