Question

write and algorithm and flowchart to swap two numbers using temporary variables

Answer 1

Answer:

Algorithm : b. without using a third variable

Step 1 : Start.

Start 2 : READ num1, num2.

Start 3 : num1 = num1 + num2.

Start 4 : num2 = num1 - num2.

Start 5 : num1 = num1 - num2.

Start 6 : PRINT num1, num2.

Start 7 : Stop.

Explanation:

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Answer 2

Answer:

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Explanation:

Algorithm : b. without using a third variable

Step 1 : Start.

Start 2 : READ num1, num2.

Start 3 : num1 = num1 + num2

.Start 4 : num2 = num1 - num2.

Start 5 : num1 = num1 - num2.

Start 6 : PRINT num1, num2.

Start 7 : Stop.