diff options
Diffstat (limited to '2024')
| -rw-r--r-- | 2024/go/src/day6/main.go | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/2024/go/src/day6/main.go b/2024/go/src/day6/main.go index f1505e9..9fb6b78 100644 --- a/2024/go/src/day6/main.go +++ b/2024/go/src/day6/main.go @@ -156,13 +156,17 @@ func solve_part_two(data string) int { ans := 0 for i := range n { for j := range m { - gridCopy := make([]string, len(grid)) - copy(gridCopy, grid) + // gridCopy := make([]string, len(grid)) + // copy(gridCopy, grid) if i != guardPosition[0] || j != guardPosition[1] { - replaceCharGrid(&gridCopy, i, j, '#') - if isStuck(&gridCopy, guardPosition, n*m) { + flag := grid[i][j] == '.' + replaceCharGrid(&grid, i, j, '#') + if isStuck(&grid, guardPosition) { ans++ } + if flag { + replaceCharGrid(&grid, i, j, '.') + } } } } |