Amazon.com Interview Question
Web:
www.amazon.com
|
HQ:
Seattle, WA
Overview |
| |
Salaries |
| |
Reviews |
| |
Interviews |
| |
Photos |
| |
Jobs |
| |
|
1,589 Interview Reviews |
Back to all Amazon.com Interview Questions & Reviews
Interview questions and reviews posted anonymously by interview candidates
Interview Question for Software Development Engineer II at Amazon.com:
Feb 11, 2010
Write a code to reverse binary bit pattern for an integer without using any string or utility methods?
Add Tags
[?]
See more for this Amazon.com Software Development Engineer II Interview
Helpful Question?
Yes |
No
Inappropriate?
Answers & Comments (6)
Apr 5, 2010
there is rol and ror operations which can be useful to shift places and also the left most digit can move to the end during the operation.
Helpful Answer?
Yes |
No
Inappropriate?
Apr 5, 2010
http://www.intel.com/software/products/documentation/vlin/mergedprojects/analyzer_ec/mergedprojects/reference_olh/mergedProjects/instructions/instruct32_hh/vc270.htm
this might be helpful
this might be helpful
Helpful Answer?
Yes |
No
Inappropriate?
Jun 9, 2011
This post has been removed. Please see our
Community Guidelines or
Terms of Service for more information.
Jun 9, 2011
unsigned int a=123; // Given number
unsigned int b=0; /// temp variable
int i;
for(i=0; i<32; i++){
b = b | (a&1);
b = b << 1;
a = a >> 1;
}
unsigned int b=0; /// temp variable
int i;
for(i=0; i<32; i++){
b = b | (a&1);
b = b << 1;
a = a >> 1;
}
Helpful Answer?
Yes |
No
Inappropriate?
Jun 9, 2011
pls ignore my first ans.
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 Development Engineer II Interview Questions, Amazon.com Interview
0 of 1 people found this helpful
by Interview Candidate: