Sorting arrays: Swap with a temporary array address?

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This is the array that needs to be sorted in ascending order:

Address	Value
a0	8
a1	7
a2	6
a3	2
a4	9

 

There will be three scenarios:

Either a0 = a1 or a0 > a1 or a0 < a1

It appears there will be a swap from a0 to a1 as a0 > a1.

One way to do swap I have earlier came across is:

a0 = at

at = a1

a1 = at

Will the above process be applicable also here.

Also, how to have at? Can a new address at be created initially holding say 0?

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Reply

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Yes it’s applicable.

tmp = A[0];
A[0] = A[1];
A[1] = tmp;

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