commit 285c38b6bc5a31dad9bd3fa060e1d00e2cd23b19 (patch) parent f0770a13ca209e4de08ea6392e587e81a16496ae Author: Alex Karle <alex@alexkarle.com> Date: Mon, 2 Dec 2024 03:08:38 +0100 2023: Add Go parsing of day3 grid (incomplete) Mostly checking in WIP since this took a while to figure out the append to a 2d array Diffstat:
| A | 2023/03/1.go | | | 35 | +++++++++++++++++++++++++++++++++++ |
| A | 2023/03/go.mod | | | 3 | +++ |
| A | 2023/03/input.txt | | | 140 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2023/03/sample.txt | | | 10 | ++++++++++ |
4 files changed, 188 insertions(+), 0 deletions(-)
diff --git a/2023/03/1.go b/2023/03/1.go @@ -0,0 +1,35 @@ +package main + +import ( + "bufio" + "fmt" + "log" + "os" + "strings" +) + +func main() { + fname := "input.txt" + if len(os.Args) > 1 { + fname = os.Args[1] + } + f, err := os.Open(fname) + if err != nil { + log.Fatal(err) + } + defer f.Close() + + grid := [][]string{} + scanner := bufio.NewScanner(f) + for scanner.Scan() { + line := scanner.Text() + row := strings.Split(line, "") + fmt.Println(row) + grid = append(grid, [][]string{row}...) + } + fmt.Println(grid[0][0]) + + if err := scanner.Err(); err != nil { + log.Fatal(err) + } +} diff --git a/2023/03/go.mod b/2023/03/go.mod @@ -0,0 +1,3 @@ +module alexkarle.com/aoc-2023-d3 + +go 1.23.1 diff --git a/2023/03/input.txt b/2023/03/input.txt @@ -0,0 +1,140 @@ +...................305.124................................432..............................................576..313.....514................. 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