Swap 2 variables without using a temp variable

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Question

Swap 2 variables without using a temp variable

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Answer Posted By

Re: Swap 2 variables without using a temp variable

Answer
# 1

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

Is This Answer Correct ?

20 Yes

0 No

Guest

Re: Swap 2 variables without using a temp variable

Answer
# 2

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

Is This Answer Correct ?

12 Yes

1 No

Mfsi_satyakamm

Re: Swap 2 variables without using a temp variable

Answer
# 3

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 ?

11 Yes

0 No

Sheetal

Re: Swap 2 variables without using a temp variable

Answer
# 4

try this one line swaping of two variables

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

Is This Answer Correct ?

3 Yes

5 No

S N

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