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edited Jul 26, 2022 at 10:00

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\(x)x*10^nchar(x)%/%9

Uses an 'x multiplied by 111' approach, where the '111' is constructed as the next power-of-10 greater-or-equal to x, integer-divided by 9.

(now reading the other answers: this is the same approach already used in xnor's Python answer)

\(x)x*10^nchar(x)%/%9

Uses an 'x multiplied by 111' approach, where the '111' is constructed as the next power-of-10 greater-or-equal to x, integer-divided by 9.

\(x)x*10^nchar(x)%/%9

Uses an 'x multiplied by 111' approach, where the '111' is constructed as the next power-of-10 greater-or-equal to x, integer-divided by 9.

(now reading the other answers: this is the same approach already used in xnor's Python answer)

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created Jul 26, 2022 at 9:11

\(x)x*10^nchar(x)%/%9

Uses an 'x multiplied by 111' approach, where the '111' is constructed as the next power-of-10 greater-or-equal to x, integer-divided by 9.