void main_source(long long * &data){data=(long long *)malloc(100*sizeof(long long));}void main(){long long * data;data=NULL;main_source(data);delete data;}
static void main_source(long long * &data){data=(long long *)malloc(100*sizeof(long long));}static void main(){long long * data;data=NULL;main_source(data);free(data);}