Solve a Hidato puzzle: Difference between revisions
Content added Content deleted
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function hidatoconfigure(str) |
function hidatoconfigure(str) |
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lines = split(str, "\n") |
lines = split(str, "\n") |
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nrows, ncols = length(lines), length(split |
nrows, ncols = length(lines), length(split(lines[1], r"\s+")) |
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board = fill(-1, (nrows, ncols)) |
board = fill(-1, (nrows, ncols)) |
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presets = Vector{Int}() |
presets = Vector{Int}() |
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starts = Vector{CartesianIndex{2}}() |
starts = Vector{CartesianIndex{2}}() |
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maxmoves = 0 |
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for (i, line) in enumerate(lines), (j, s) in enumerate(split(strip(line), r"\s+")) |
for (i, line) in enumerate(lines), (j, s) in enumerate(split(strip(line), r"\s+")) |
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c = s[1] |
c = s[1] |
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if c == '_' || (c == '0' && length(s) == 1) |
if c == '_' || (c == '0' && length(s) == 1) |
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board[i, j] = 0 |
board[i, j] = 0 |
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maxmoves += 1 |
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elseif c == '.' |
elseif c == '.' |
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continue |
continue |
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push!(starts, CartesianIndex(i, j)) |
push!(starts, CartesianIndex(i, j)) |
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end |
end |
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maxmoves += 1 |
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end |
end |
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end |
end |
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board, |
board, maxmoves, sort!(presets), length(starts) == 1 ? starts : findall(x -> x == 0, board) |
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end |
end |
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function hidatosolve(board, movematrix, fixed, row, col, sought, next |
function hidatosolve(board, maxmoves, movematrix, fixed, row, col, sought, next) |
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if sought > |
if sought > maxmoves |
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return true |
return true |
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elseif (0 != board[row, col] != sought) || (board[row, col] == 0 && sought in fixed) |
elseif (0 != board[row, col] != sought) || (board[row, col] == 0 && sought in fixed) |
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i, j = row + move[1], col + move[2] |
i, j = row + move[1], col + move[2] |
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if (0 < i <= size(board)[1]) && (0 < j <= size(board)[2]) && |
if (0 < i <= size(board)[1]) && (0 < j <= size(board)[2]) && |
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hidatosolve(board, movematrix, fixed, i, j, sought + 1, next |
hidatosolve(board, maxmoves, movematrix, fixed, i, j, sought + 1, next) |
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return true |
return true |
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end |
end |
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end |
end |
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end # |
end # modules |
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| ⚫ | |||
| ⚫ | |||
hidat = """ |
hidat = """ |
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const kingmoves = [[-1, -1], [-1, 0], [-1, 1], [0, -1], [0, 1], [1, -1], [1, 0], [1, 1]] |
const kingmoves = [[-1, -1], [-1, 0], [-1, 1], [0, -1], [0, 1], [1, -1], [1, 0], [1, 1]] |
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board, |
board, maxmoves, fixed, starts = hidatoconfigure(hidat) |
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printboard(board) |
printboard(board) |
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hidatosolve(board, kingmoves, fixed, starts[1][1], starts[1][2], 1, 1 |
hidatosolve(board, maxmoves, kingmoves, fixed, starts[1][1], starts[1][2], 1, 1) |
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printboard(board) |
printboard(board) |
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</lang>{{output}}<pre> |
</lang>{{output}}<pre> |
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