Answer / vijay

main()
{
int a, b;
a=a+b;
b=a-b;
a=a-b;
}

Answer / sujith

another quick way is,

void main()
{
int a = 10, b = 5;
a ^= b ^= a ^= b;
}

Answer / kadher

void main()
{
int a=10,b=5;
a=a^b;
b=a^b;
a=a^b;

}

Answer / srinivas

main()
{
int a=3,b=2;

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

printf("a=%d,b=%d",a,b);
}
o/p:- a=2,b=3

Answer / vijay

Sir,... im not comfortable with the 2nd ans cud pls explain
me .?????/

Answer / haihere

Ans 3 is proper answer,coz in 1 it wont check for
range,,ans 3 is the rigt..

Answer / sandeep rehlan

Sir, please explain me the 3rd and 6th answer because both
are the orrect way of swapping of two variables.

Answer / suman ambardar

x=x+y
y=x-y
x=x-y

Answer / {

void main()

. Consider the following program main() { int a[5]={1,3,6,7,0}; int *b; b=&a[2]; } The value of b[-1] is (A) 1 (B) 3 (C) -6 (D) none

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