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Write a program to exchange two variaables without temp

Answers were Sorted based on User's Feedback



Write a program to exchange two variaables without temp..

Answer / vijay

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

Is This Answer Correct ?    24 Yes 5 No

Write a program to exchange two variaables without temp..

Answer / sujith

another quick way is,

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

Is This Answer Correct ?    7 Yes 0 No

Write a program to exchange two variaables without temp..

Answer / kadher

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

}

Is This Answer Correct ?    6 Yes 0 No

Write a program to exchange two variaables without temp..

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

Is This Answer Correct ?    2 Yes 0 No

Write a program to exchange two variaables without temp..

Answer / vijay

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

Is This Answer Correct ?    2 Yes 1 No

Write a program to exchange two variaables without temp..

Answer / haihere

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

Is This Answer Correct ?    1 Yes 1 No

Write a program to exchange two variaables without temp..

Answer / sandeep rehlan

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

Is This Answer Correct ?    0 Yes 0 No

Write a program to exchange two variaables without temp..

Answer / suman ambardar

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

Is This Answer Correct ?    0 Yes 0 No

Write a program to exchange two variaables without temp..

Answer / {

void main()

Is This Answer Correct ?    0 Yes 11 No

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