Question

Write the Flowchart to swap any two number with another variable?
(hint = This is the Question of Class 9 and 10)
​

Answer 1

Answer:

Let's see a simple c example to swap two numbers without using third variable.

#include<stdio.h>

int main()

{

int a=10, b=20;

printf("Before swap a=%d b=%d",a,b);

a=a+b;//a=30 (10+20)

b=a-b;//b=10 (30-20)

a=a-b;//a=20 (30-10)

Answer 2

Answer:

$\huge\rm\purple{answer✏:}$

Algorithm and Flowchart to Swap Two Integer Numbers

Declare a variable a,b and c as integer; Read two numbers a and b; c=a; a=b; b=a; Print a and b.

STEP 1: START STEP

2: ENTER A, B STEP

3: PRINT A, B STEP

4: A = A + B STEP

5: B= A - B STEP

6: A =A - B STEP

7: PRINT A, B STEP

8: END.