Problem	exponentiate
User	justin271828
Submission Time	2023-06-17 17:29:34
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

exponentiate.cpp: In function ‘int ex(int, int)’:
exponentiate.cpp:9:3: error: ‘a’ was not declared in this scope
9 | a = ex(x, y/2);
| ^