a=10; b=20; b=a+b-(a=b);

how to swap two numbers with out using temp variable

Question Posted / prasannaroy

Answer Posted / prasannaroy

a=10;
b=20;
b=a+b-(a=b);

Is This Answer Correct ?

8 Yes

2 No

Please Help Members By Posting Answers For Below Questions

Which operations are permitted on pointers?

994

How do you show the declaration of a virtual constructor?

934

You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. New() and malloc()

1153

What is the full form of ios?

1059

How do you save a c++ program?

1034

What does the nocreate and noreplace flag ensure when they are used for opening a file?

1112

Write about c++ storage classes?

1188

Write a program in c++ to print the numbers from n to n2 except 5 and its multiples

2474

What are the defining traits of an object-oriented language?

1195

What are the rules about using an underscore in a c++ identifier?

1175

Is swift a good first language?

1040

How many types of comments are there in c++?

983

What is a dangling pointer in c++?

1129

Keyword mean in declaration?

1056

What does catch(…) mean?

1110