Eroare de compilare: main.cpp:7:2: error: expected initializer before 'if' 7 | if (m == 0) | ^~ main.cpp:9:2: error: expected unqualified-id before 'return' 9 | return gcd(m, n % m); | ^~~~~~ main.cpp:10:1: error: expected declaration before '}' token 10 | } | ^ main.cpp: In function 'int main()': main.cpp:18:17: error: 'gcd' was not declared in this scope 18 | cout << n + m - gcd(n, m); | ^~~ Non zero exit status: 1