day1

2025/go/utils/inputs/inputs.go

@@ -0,0 +1,56 @@
+package inputs
+
+import (
+	"strings"
+
+	"adventofcode2024/utils"
+	"adventofcode2024/utils/grid2d"
+	sparsegrid "adventofcode2024/utils/sparseGrid"
+)
+
+func ToInts(input string, sep string) []int {
+	var r []int
+	for _, line := range strings.Split(input, sep) {
+		if line != "" {
+			r = append(r, utils.MustAtoi(line))
+		}
+	}
+	return r
+}
+
+func ToGrid2D[T any](input, rowSep, colSep string, empty T, conv func(string) T) *grid2d.Grid[T] {
+
+	var width int
+	
+	lines := strings.Split(input, rowSep)
+	
+	if colSep == "" {
+        // If no colSep, width is the length of each line
+        width = len(lines[0])
+    } else {
+        // Use colSep to determine the width of the grid
+        width = len(strings.Split(lines[0], colSep))
+    }
+
+	grid := grid2d.NewGrid(width, len(lines), empty)
+	for y, line := range lines {
+		for x, v := range strings.Split(line, colSep) {
+			grid.Set(x, y, conv(v))
+		}
+	}
+
+	return grid
+}
+
+func ToSparseGrid[T comparable](input, rowSep, colSep string, empty T, conv func(string) T) *sparsegrid.SparseGrid[T] {
+	lines := strings.Split(input, rowSep)
+
+	grid := sparsegrid.NewGrid(empty)
+	for y, line := range lines {
+		for x, v := range strings.Split(line, colSep) {
+			grid.Set(x, y, conv(v))
+		}
+	}
+
+	return grid
+}