109 lines
1.7 KiB
Go
109 lines
1.7 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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"strconv"
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"strings"
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)
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var (
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dots [][]bool
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width = -1
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height = -1
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)
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func min(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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func foldx(n int) {
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for y := 0; y < height; y++ {
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if len(dots[y]) < n {
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continue
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}
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if len(dots[y]) < width {
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dots[y] = append(dots[y], make([]bool, width-len(dots[y])+1)...)
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}
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for i := 1; i <= n; i++ {
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if dots[y][n+i] {
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dots[y][n-i] = true
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}
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}
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}
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width = n
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}
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func foldy(n int) {
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for i := 1; i <= n; i++ {
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dots[n-i] = append(dots[n-i], make([]bool, width-len(dots[n-i])+1)...)
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for x := 0; x < len(dots[n+i]); x++ {
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if dots[n+i][x] {
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dots[n-i][x] = true
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}
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}
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}
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height = n
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}
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func main() {
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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line := strings.Split(scanner.Text(), ",")
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if len(line) < 2 {
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break
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}
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x, _ := strconv.Atoi(line[0])
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y, _ := strconv.Atoi(line[1])
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if y >= height {
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dots = append(dots, make([][]bool, y-height+1)...)
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height = y + 1
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}
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if x >= len(dots[y]) {
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dots[y] = append(dots[y], make([]bool, x-len(dots[y])+1)...)
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if x >= width {
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width = x + 1
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}
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}
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dots[y][x] = true
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}
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for scanner.Scan() {
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line := strings.Split(scanner.Text(), "=")
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letter := line[0][11]
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n, _ := strconv.Atoi(line[1])
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if letter == 'y' {
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foldy(n)
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} else {
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foldx(n)
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}
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for y := 0; y < height; y++ {
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w := min(width, len(dots[y]))
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for x := 0; x < w; x++ {
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if dots[y][x] {
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fmt.Printf("#")
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} else {
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fmt.Printf(".")
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}
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}
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fmt.Println()
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}
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fmt.Println()
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fmt.Println("---")
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break
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}
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score := 0
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for y := 0; y < height; y++ {
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w := min(width, len(dots[y]))
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for x := 0; x < w; x++ {
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if dots[y][x] {
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score++
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}
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}
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}
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fmt.Println(score)
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}
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