72 lines
1.2 KiB
Go
72 lines
1.2 KiB
Go
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package main
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import (
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"bufio"
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"fmt"
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"os"
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)
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func main() {
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content := returnContent("../input")
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//content := returnContent("testInput")
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var bracketMap map[byte]byte = make(map[byte]byte)
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var bracketCost map[byte]int = make(map[byte]int)
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answer := 0
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bracketMap[')'] = '('
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bracketMap[']'] = '['
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bracketMap['}'] = '{'
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bracketMap['>'] = '<'
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bracketCost[')'] = 3
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bracketCost[']'] = 57
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bracketCost['}'] = 1197
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bracketCost['>'] = 25137
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for _, row := range *content {
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var stack Stack = Stack{}
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for _, char := range row {
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brack, found := bracketMap[char]
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if !found {
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//If it is an opening bracket
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stack.Push(char)
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} else {
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if brack == stack.Peek().char {
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stack.Pop()
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} else {
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answer += bracketCost[char]
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fmt.Println("Illegal,", char, "found", answer)
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break
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}
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}
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}
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}
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fmt.Println(answer)
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}
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func returnContent(path string) *[][]byte {
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//read file and return it as an array of integers
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file, err := os.Open(path)
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var content [][]byte
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if err != nil {
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fmt.Println("Unlucky, the file didn't open")
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return &content
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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content = append(content, []byte(scanner.Text()))
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}
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return &content
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}
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