Compilare: user.cpp: In function ‘int main()’: user.cpp:9:19: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%ld",&n); ^ user.cpp:10:45: warning: format ‘%lf’ expects argument of type ‘double*’, but argument 2 has type ‘float*’ [-Wformat=] scanf("%lf%lf",&predecesorx,&predecesory); ^ user.cpp:10:45: warning: format ‘%lf’ expects argument of type ‘double*’, but argument 3 has type ‘float*’ [-Wformat=] user.cpp:17:33: warning: format ‘%lf’ expects argument of type ‘double*’, but argument 2 has type ‘float*’ [-Wformat=] scanf("%lf%lf",&x,&y); ^ user.cpp:17:33: warning: format ‘%lf’ expects argument of type ‘double*’, but argument 3 has type ‘float*’ [-Wformat=]