|
@@ -0,0 +1,56 @@
|
|
|
|
|
+package main
|
|
|
|
|
+
|
|
|
|
|
+import (
|
|
|
|
|
+ "bufio"
|
|
|
|
|
+ "fmt"
|
|
|
|
|
+ "log"
|
|
|
|
|
+ "os"
|
|
|
|
|
+)
|
|
|
|
|
+
|
|
|
|
|
+type Point struct {
|
|
|
|
|
+ x, y int
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+func (p *Point) key() string {
|
|
|
|
|
+ return fmt.Sprintf("%d_%d", p.y, p.x)
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+func readInput(file *os.File) (map[byte][]Point, [][]byte) {
|
|
|
|
|
+ scanner := bufio.NewScanner(file)
|
|
|
|
|
+ var matrix [][]byte
|
|
|
|
|
+ groups := make(map[byte][]Point)
|
|
|
|
|
+
|
|
|
|
|
+ var y int
|
|
|
|
|
+ for scanner.Scan() {
|
|
|
|
|
+ line := scanner.Text()
|
|
|
|
|
+ if line == "" {
|
|
|
|
|
+ break
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ matrix = append(matrix, []byte(line))
|
|
|
|
|
+ for x := range line {
|
|
|
|
|
+ if line[x] != '.' {
|
|
|
|
|
+ groups[line[x]] = append(groups[line[x]], Point{x: x, y: y})
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ y++
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ return groups, matrix
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+func main() {
|
|
|
|
|
+ if len(os.Args) < 2 {
|
|
|
|
|
+ log.Fatal("You need to specify a file!")
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ filePath := os.Args[1]
|
|
|
|
|
+ file, err := os.Open(filePath)
|
|
|
|
|
+ if err != nil {
|
|
|
|
|
+ log.Fatalf("Failed to open %s!\n", filePath)
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ groups, matrix := readInput(file)
|
|
|
|
|
+ fmt.Println(groups, matrix)
|
|
|
|
|
+}
|
