Main.cc: In function ‘int main()’:
Main.cc:31:16: error: ‘gcd’ was not declared in this scope; did you mean ‘gcdA’?
31 | gcdA = gcd(gcdA, A[i]);
| ^~~
| gcdA
Main.cc:36:16: error: ‘lcm’ was not declared in this scope; did you mean ‘lcmB’?
36 | lcmB = lcm(lcmB, B[i]);
| ^~~
| lcmB