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Swap 2 variables without using a temp variable

Question Posted / guest

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Swap 2 variables without using a temp variable..

Answer / guest

a,b
a=a+b
b=a-b
a=a-b

Is This Answer Correct ?    21 Yes 0 No

Swap 2 variables without using a temp variable..

Answer / sheetal

if a=5 and b=3 are two variables, then add them i e
a=a+b; a=8
b=a-b; b=5
a=a-b; a=3

Is This Answer Correct ?    12 Yes 0 No

Swap 2 variables without using a temp variable..

Answer / mfsi_satyakamm

int x,y;
x=x+y;
y=x-y;
x=x-y;

Is This Answer Correct ?    12 Yes 1 No

Swap 2 variables without using a temp variable..

Answer / s n

try this one line swaping of two variables


a=((a+b)-(b=a));

Is This Answer Correct ?    3 Yes 5 No

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