nomadicdude
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@chrisk - would the indexes participate in the dot product, or is it first number for array 1 dot first number is array 2 regardless of their relative location?
- nomadicdude July 19, 2017I think the interviewer is looking for a Iterator class with functions like hasNext() and next(). Otherwise it is too simple for an FB interview. You can google search Iterator definitions .., the code snippet
is for Java
//class variables
long current = 1;
long prev = 0;
public void reset () {
current = 1;
prev = 0;
}
@Override
public boolean hasNext() {
//will always have a next
//alternatively you could get some brownie points by returning false when you
//reach the largest positive 'long' number
return true;
}
@Override
public Long next() {
long temp = current;
current = prev + current;
prev = temp;
return temp;
}
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@majia168 - are these actual FB interview questions? How many times are you interviewing at FB :) you have at least 5-6 a day.
- nomadicdude October 27, 2017Good questions though.