9 lines
132 B
Batchfile
9 lines
132 B
Batchfile
@echo off
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set /p x=
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set /a fs=%x%-1
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set y=%x%
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FOR /L %%a IN (%fs%, -1, 1) DO SET /a y*=%%a
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if %x% EQU 0 set y=1
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echo %y%
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pause
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exit
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