Compilare: main.cpp:16:8: warning: second argument of 'int main(int, int, double, double)' should be 'char **' [-Wmain] 16 | signed main(int n,int r,double x,double y){ | ^~~~ main.cpp:16:8: warning: third argument of 'int main(int, int, double, double)' should probably be 'char **' [-Wmain] main.cpp:16:8: warning: 'int main(int, int, double, double)' takes only zero or two arguments [-Wmain]