Compilare: main.cpp: In function 'int main()': main.cpp:40:15: warning: unused variable 'lim' [-Wunused-variable] 40 | long long lim; | ^~~ main.cpp: In function 'int fractalcalc(int)': main.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type] 37 | } | ^