CIS 3020 Part 7
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Complexity
- When computing O(), we are concerned with big values of n
- With big values, constants become ignorable
- Consider the two exponential functions we developed
- Let's count all operations (arithmetic, assignment, references, comparisons, etc.) the same with calls counting 20.
public int expt(int b, int n) {
int result;
if (n<=0) {
result = 1;
} else {
result = b * expt(b, n-1);
}
return result;
}
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2 1 3 3 28 2 ======= 39 |
