These are not equations, but assignments. In the first example, the value is never assigned to cnt1 (only to variable cnt), whereas in the 2nd example, it is..
In the first code the loop counter which is cnt2 and assigned by cnt1
In the second code the loop counter is cnt1 and assigned by cnt
I have three variables in both codes
So In the first code decrementing
is before the main arithmetic expression
In the second code I want to combine decrementing and main expressions in one arithmetic expression
The part on the right of the second expression should do the same operation as in the decrementing line of the first code; I think they are the same.
---------- Post updated at 03:38 AM ---------- Previous update was at 01:41 AM ----------
OK I got it!!
You're right the internal variable cnt1 is not assigned to be updated, so I read in a website about assigning variables.
In the first code the loop counter which is cnt2 and assigned by cnt1
In the second code the loop counter is cnt1 and assigned by cnt
I have three variables in both codes
So In the first code decrementing
is before the main arithmetic expression
In the second code I want to combine decrementing and main expressions in one arithmetic expression
The part on the right of the second expression should do the same operation as in the decrementing line of the first code; I think they are the same.
---------- Post updated at 03:38 AM ---------- Previous update was at 01:41 AM ----------
OK I got it!!
You're right the internal variable cnt1 is not assigned to be updated, so I read in a website about assigning variables.
This is the result to get the correct answer.
Thank you,
do you find the following code (which also works for the case where n is 1) easier to understand:
I assume that you're using bash because read -p isn't in the standards and is not accepted by ksh (which would do this with read n?'Enter number: ').
Note, however, that if you want to compute factorials larger than 25! on a machine with 64-bit long ints, you'll need to use something with arbitrary precision arithmetic (such as bc or dc) instead of relying on shell arithmetic.
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===================================
SQL*Plus: Release 11.2.0.3.0 Production
Copyright (c) 1982, 2011, Oracle. All rights reserved.
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