87 lines
1.3 KiB
Go
87 lines
1.3 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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"strings"
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)
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func main() {
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reader := bufio.NewReader(os.Stdin)
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lines := []string{}
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for text, err := reader.ReadString('\n'); err == nil; text, err = reader.ReadString('\n') {
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lines = append(lines, text)
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}
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size := len(lines)
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fmt.Printf("%v lines\n", size)
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linepoints := make([]int, size)
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for i, text := range lines {
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amt := score(text)
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fmt.Printf("%v %v\n", text, amt)
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linepoints[i] = amt
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}
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const maxPoints = 10
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newTot := 0;
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mults := make([]int, size)
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for line, points := range linepoints {
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mul := 1
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for i := line - maxPoints; i < line; i++ {
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if i < 0 {
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continue
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}
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end := i + linepoints[i]
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if end >= line {
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mul += mults[i]
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}
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}
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mults[line] = mul
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newTot += mul
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fmt.Printf("%v | +%v = %v \n", points, mul, newTot)
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}
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fmt.Printf("total cards: %v", newTot)
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}
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func score(text string) int {
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amt := 0
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text = strings.Trim(text, "\n")
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gameStr := strings.ReplaceAll(strings.Split(text, ": ")[1], " ", " ")
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nums := strings.Split(gameStr, " | ")
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winners := strings.Split(nums[0], " ")
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draw := strings.Split(nums[1], " ")
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for _, n := range draw {
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match := false
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for _, w := range winners {
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match = n == w
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if match {
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break
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}
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}
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if match {
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amt++
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}
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}
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return amt
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}
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