35 lines
455 B
Go
35 lines
455 B
Go
package d11
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func isAllFlashed(grid grid) bool {
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for y, line := range grid {
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for x := range line {
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if !grid[y][x].flashed {
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return false
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}
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}
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}
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return true
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}
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func flash2(grid grid) int {
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step := 0
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for {
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for y, line := range grid {
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for x := range line {
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incr(x, y, grid)
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}
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}
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step++
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if isAllFlashed(grid) {
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return step
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}
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reset(grid)
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}
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}
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func P2(in string) int {
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grid := createGrid(in)
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return flash2(grid)
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}
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