X=10,Y=20 you need to swap the numbers without using a
third variable?
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Answer Posted / sandip patil
If X=10 & Y=20
then for swapping just go with following
Y=Y-X i.e. Y=20-10=10 here value of Y=10
X=X+Y i.e. X=10+10=20 Here value of X=20
It is swap
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