mirror of
https://github.com/Threnklyn/advent-of-code-go.git
synced 2026-05-18 19:13:27 +02:00
alexchao26
39 lines
963 B
Go
39 lines
963 B
Go
package main
|
|
|
|
import (
|
|
"github.com/alexchao26/advent-of-code-go/util"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
func main() {
|
|
input := util.ReadFile("../input.txt")
|
|
lines := strings.Split(input, "\n")
|
|
|
|
seen := make(map[string]bool)
|
|
counted := make(map[string]bool)
|
|
var overlap int
|
|
|
|
for _, line := range lines {
|
|
// ID := line[:strings.Index(line, " @")]
|
|
row, _ := strconv.Atoi(line[strings.Index(line, "@")+2 : strings.Index(line, ",")])
|
|
col, _ := strconv.Atoi(line[strings.Index(line, ",")+1 : strings.Index(line, ":")])
|
|
width, _ := strconv.Atoi(line[strings.Index(line, ":")+2 : strings.Index(line, "x")])
|
|
height, _ := strconv.Atoi(line[strings.Index(line, "x")+1:])
|
|
|
|
for i := 0; i < width; i++ {
|
|
for j := 0; j < height; j++ {
|
|
coords := fmt.Sprintf("%vx%v", row+i, col+j)
|
|
if seen[coords] && !counted[coords] {
|
|
overlap++
|
|
counted[coords] = true
|
|
}
|
|
seen[coords] = true
|
|
}
|
|
}
|
|
}
|
|
|
|
fmt.Println("Overlapping cells:", overlap)
|
|
}
|