Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:14:12: error: ‘n’ was not declared in this scope fin >> n; ^ user.cpp:18:15: error: ‘v’ was not declared in this scope l=l+2*v[i]; ^ user.cpp: In function ‘void fractii()’: user.cpp:25:24: error: ‘n’ was not declared in this scope for (int i=1; i <= n; i++) ^ user.cpp:27:9: error: ‘v’ was not declared in this scope v[i]=i; ^ user.cpp:29:17: error: ‘n’ was not declared in this scope for(i=2; i<=n; i++) ^ user.cpp:31:12: error: ‘v’ was not declared in this scope if(v[i]==i) ^