Day 3 solution.

2018/day03-1.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+
+	"internal/fabric"
+	"internal/util"
+)
+
+func main() {
+	data := util.ReadInput()
+	claims, maxX, maxY := fabric.ParseClaims(data)
+	grid := fabric.PopulateGrid(claims, maxX, maxY)
+
+	count := 0
+	for y := 0; y < len(grid); y++ {
+		for x := 0; x < len(grid[y]); x++ {
+			if grid[y][x] == -1 {
+				count++
+			}
+		}
+	}
+
+	fmt.Println(count)
+}