<code>int f(int n) { if (n <= 0) return 0; return n + f(n - 2); } </code></pre> f(5) returns
- A
5
- B
10
- Ccheck_circle
9
- D
15
Explanation
f(5) = 5 + f(3) = 5 + 3 + f(1) = 5 + 3 + 1 + f(-1) = 9.
Recursion
AP Computer Science A· difficulty 4/5
Want 10 more like this — adaptive to your weak spots?