Sum and product of an array: Difference between revisions
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m (→{{header|REXX}}: indented DO loops, changed '''output''' template, removed superfluous blank lines. -- ~~~~) |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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<lang rexx> |
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numeric digits 30 /*allow 30-digit numbers (default is 9)*/ |
numeric digits 30 /*allow 30-digit numbers (default is 9)*/ |
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y.0=20 /*one method of indicating array size. */ |
y.0=20 /*one method of indicating array size. */ |
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do j=1 for y.0 /*build an array of twenty elements. */ |
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y.j=j /*set 1st to 1, 3rd to 3, 9th to 9 ... */ |
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end /*j*/ |
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end |
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sum=0 /*initialize SUM to zero. */ |
sum=0 /*initialize SUM to zero. */ |
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prod=1 /*initialize PROD to unity. */ |
prod=1 /*initialize PROD to unity. */ |
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sum =sum +y.k /*add the element to the running total.*/ |
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prod=prod*y.k /*multiple the element to running prod.*/ |
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end /*k*/ |
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end |
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say ' sum of' y.0 "elements for the Y array is:" sum |
say ' sum of' y.0 "elements for the Y array is:" sum |
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say 'product of' y.0 "elements for the Y array is:" prod |
say 'product of' y.0 "elements for the Y array is:" prod</lang> |
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'''output''' |
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</lang> |
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Output: |
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sum of 20 elements for the Y array is: 210 |
sum of 20 elements for the Y array is: 210 |
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product of 20 elements for the Y array is: 2432902008176640000 |
product of 20 elements for the Y array is: 2432902008176640000 |
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