Type an input and write what you think is the output . Each problem is converted to Web Assembly, so any possible input will show the corresponding output. Only correct predictions count.
Locked until you have predicted 4 outputs correctly.
| 1 | double helper(double x, long long e) { |
| 2 | |
| 3 | if (e == 0) { |
| 4 | return 1.0; |
| 5 | } |
| 6 | |
| 7 | double half = helper(x, e / 2); |
| 8 | |
| 9 | if (e % 2 == 0) { |
| 10 | return half * half; |
| 11 | } |
| 12 | |
| 13 | return half * half * x; |
| 14 | } |
| 15 | |
| 16 | double solution(double x, int n) { |
| 17 | |
| 18 | long long e = n; |
| 19 | |
| 20 | if (e < 0) { |
| 21 | return 1.0 / helper(x, -e); |
| 22 | } |
| 23 | |
| 24 | return helper(x, e); |
| 25 | } |
Names have been stripped. The signature is the only clue you get for free. Compiled as C++20 with the standard headers and using namespace std; already in scope.