What is the space complexity of the following for loop method used to compute the nth fibonacci term?
int fibo(int n)
if n == 0
return 0
else
prevFib = 0
curFib = 1
for i : 1 to n-1
nextFib = prevFib + curFib
prevFib = curFib
curFib = nextFib
return curFib
int fibo(int n)
if n == 0
return 0
else
prevFib = 0
curFib = 1
for i : 1 to n-1
nextFib = prevFib + curFib
prevFib = curFib
curFib = nextFib
return curFibA. O(1)
B. O(n)
C. O(n2)
D. Exponential
Answer: Option A

Join The Discussion