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@@ -0,0 +1,76 @@
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+package main
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+
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+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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+ "unicode"
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+)
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+
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+type operation struct {
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+ op string
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+ a byte
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+ isBNumber bool
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+ b int
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+ bC byte
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+}
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+
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+func readInput(file string) [][]operation {
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+ content, err := ioutil.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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+ lines := strings.Split(string(content), "\n")
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+ var input [][]operation
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+ var operations []operation
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+ for _, line := range lines {
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+ if line == "" {
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+ continue
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+ }
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+
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+ parts := strings.Split(line, " ")
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+ if len(parts) < 2 {
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+ log.Fatal("Invalid line: ", line)
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+ }
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+
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+ if parts[0] == "inp" && len(operations) > 0 {
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+ input = append(input, operations)
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+ operations = []operation{}
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+ }
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+
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+ current := operation{op: parts[0], a: parts[1][0]}
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+ if len(parts) > 2 {
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+ if unicode.IsDigit(rune(parts[2][0])) {
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+ current.b, err = strconv.Atoi(parts[2])
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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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+ current.isBNumber = true
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+ } else {
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+ current.bC = parts[2][0]
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+ }
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+ }
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+
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+ operations = append(operations, current)
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+ }
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+
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+ if len(operations) > 0 {
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+ input = append(input, operations)
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+ }
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+
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+ return input
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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("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(input)
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+}
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