Cisco Systems Interview Question
Web:
www.cisco.com
|
HQ:
San Jose, CA
Overview |
| |
Salaries |
| |
Reviews |
| |
Interviews |
| |
Photos |
| |
Jobs |
| |
|
368 Interview Reviews |
Back to all Cisco Systems Interview Questions & Reviews
Interview questions and reviews posted anonymously by interview candidates
Interview Question for Software Engineer I at Cisco Systems:
Feb 21, 2011
How would you swap two variables without a third holding variable?
| Tags: | technical, programming, basic See more , See less 8 |
Add Tags
[?]
See more for this Cisco Systems Software Engineer I Interview
Helpful Question?
Yes |
No
Inappropriate?
Answers & Comments (2)
Feb 26, 2012
For numbers we can use XOR as well,
a = a xor b
b = a xor b
a = a xor b
a = a xor b
b = a xor b
a = a xor b
Helpful Answer?
Yes |
No
Inappropriate?
To comment on this
question,
Sign In with Facebook or
Sign Up
You might also be interested in: Interview Questions, Software Engineer I Interview Questions, Cisco Systems Interview
2 of 2 people found this helpful
by Interview Candidate:
B=A-B;
A-=B;