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