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@@ -0,0 +1,39 @@
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+package main
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+
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+import (
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+ "fmt"
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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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+
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+func readInput(file string) []int {
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+ data, err := os.ReadFile(file)
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+
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+ var stones []int
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+
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+ parts := strings.Split(strings.Trim(string(data), "\n"), " ")
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+ for _, part := range parts {
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+ stone, err := strconv.Atoi(part)
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+ if err != nil {
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+ log.Fatalf("Bad input %s: %s", part, err)
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+ }
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+
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+ stones = append(stones, stone)
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+ }
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+
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+ return stones
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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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+ }
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+
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+ stones := readInput(os.Args[1])
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+ fmt.Println(stones)
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+}
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