say a = 10 and b = 20; b = a + b;// b= 30 a = b - a;// a= 20 b = b

how to swap two strings without using any third variable ?

Question Posted / ashutosh

Answer Posted / ashutosh

say a = 10 and b = 20;
b = a + b;// b= 30
a = b - a;// a= 20
b = b - a;// b= 10

so now a = 20 b= 10

Is This Answer Correct ?

27 Yes

16 No

Please Help Members By Posting Answers For Below Questions

What new()is different from malloc()?

1049

What is using namespace std in cpp?

1068

what is the use of void main() in C++ language?

1065

How c functions prevents rework and therefore saves the programers time as wel as length of the code ?

1039

Define virtual constructor.

1036

What is size of string in c++?

930

Which operations are permitted on pointers?

948

List different attributes in C++?

1020

What are the extraction and insertion operators in c++?

948

What is operator overloading in c++ example?

1053

What is the v-ptr?

1106

Can we get the value of ios format flags?

1074

What is the difference between structures and unions?

1015

Explain bubble sorting.

1026

How a macro differs from a template?

1105