Sudoku
Details
Sudoku is a number puzzle where a grid of 81 digits (9×9) is filled by the digits 1-9 such that no row, column, or 3×3 subregion contains duplicate digits.
Write a program that given an incomplete Sudoku board as 9 arguments of 9 digits, with blanks represented by an underscore, prints a solved Sudoku grid using Unicode box-drawing characters like so:
┏━━━┯━━━┯━━━┳━━━┯━━━┯━━━┳━━━┯━━━┯━━━┓ ┃ 2 │ 5 │ 8 ┃ 4 │ 1 │ 7 ┃ 6 │ 9 │ 3 ┃ ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨ ┃ 6 │ 1 │ 7 ┃ 9 │ 2 │ 3 ┃ 8 │ 5 │ 4 ┃ ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨ ┃ 9 │ 3 │ 4 ┃ 8 │ 6 │ 5 ┃ 1 │ 7 │ 2 ┃ ┣━━━┿━━━┿━━━╋━━━┿━━━┿━━━╋━━━┿━━━┿━━━┫ ┃ 3 │ 2 │ 5 ┃ 7 │ 8 │ 1 ┃ 4 │ 6 │ 9 ┃ ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨ ┃ 8 │ 9 │ 6 ┃ 3 │ 5 │ 4 ┃ 2 │ 1 │ 7 ┃ ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨ ┃ 7 │ 4 │ 1 ┃ 6 │ 9 │ 2 ┃ 5 │ 3 │ 8 ┃ ┣━━━┿━━━┿━━━╋━━━┿━━━┿━━━╋━━━┿━━━┿━━━┫ ┃ 4 │ 6 │ 9 ┃ 1 │ 3 │ 8 ┃ 7 │ 2 │ 5 ┃ ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨ ┃ 5 │ 7 │ 3 ┃ 2 │ 4 │ 6 ┃ 9 │ 8 │ 1 ┃ ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨ ┃ 1 │ 8 │ 2 ┃ 5 │ 7 │ 9 ┃ 3 │ 4 │ 6 ┃ ┗━━━┷━━━┷━━━┻━━━┷━━━┷━━━┻━━━┷━━━┷━━━┛
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AT&T syntax to x86-64 Linux. Use
syscalls to write output.
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new editor.
Top-level programs are supported, args holds ARGV.
Implicit using directives for console applications are enabled.
Arguments are available via STDIN, each argument is NULL terminated.
Taking input after EOF leaves the cell unchanged, the tape is circular
with 65536 cells, and cells are 8-bit with wrapping.
Code is compiled with clang with -std=c++2b.
Code is compiled with LDC2.
Arguments are available via STDIN, each argument is NULL terminated.
x is a no-op.
Arguments are available via STDIN, each argument is NULL terminated.
arguments holds ARGV, print() to output with a newline,
write() to output without a newline.
say() is available without any import.
$args to access the arguments.
prolog_flag(argv, Args) to access the arguments.
Arguments are available via STDIN, each argument is seperated with a null byte.
The code is run with -E and -z.
Output replaces null bytes with newlines.
SELECT arg FROM argv to access the arguments, only the first
column of the first result set will be printed, NULL values will be
skipped, and the dialect is SQLite.
Arguments are available via args list variable. To terminate
script execution, write and quit the current buffer.
ctrl + enter or