Ethiopian multiplication: Difference between revisions
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1 544 |
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= 578 |
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=={{header|BBC BASIC}}== |
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<lang bbcbasic> x% = 17 |
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y% = 34 |
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REPEAT |
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IF NOT FNeven(x%) THEN |
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p% += y% |
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PRINT x%, y% |
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ELSE |
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PRINT x%, " ---" |
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ENDIF |
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x% = FNhalve(x%) |
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y% = FNdouble(y%) |
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UNTIL x% = 0 |
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PRINT " " , " ===" |
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PRINT " " , p% |
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END |
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DEF FNdouble(A%) = A% * 2 |
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DEF FNhalve(A%) = A% DIV 2 |
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DEF FNeven(A%) = ((A% AND 1) = 0)</lang> |
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Output: |
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<pre> 17 34 |
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8 --- |
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4 --- |
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2 --- |
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1 544 |
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=== |
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578</pre> |
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=={{header|C}}== |
=={{header|C}}== |
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