To day’s topic :
To day’s topic Swapping
of
2 numbers
without
using
3 variables.
Slide 3:
Let Variable A =
Slide 4:
& Variable B =
Slide 5:
now A = A + B
Slide 6:
+
Slide 7:
NEW A = Original A Original B
Slide 8:
now B = A - B
Slide 9:
-
Slide 10:
= so B Original A NEW B =
Slide 11:
Now A = A - B
Slide 12:
-
Slide 13:
so A = Original B
Slide 14:
so A = B =
Slide 15:
A = A + B B = A - B A = A - B