Compilare: user.cpp: In function ‘int main()’: user.cpp:30:50: warning: format ‘%f’ expects argument of type ‘float*’, but argument 3 has type ‘double*’ [-Wformat=] fscanf(fin, "%f %f", &pct[i].x, &pct[i].y); ^ user.cpp:30:50: warning: format ‘%f’ expects argument of type ‘float*’, but argument 4 has type ‘double*’ [-Wformat=] user.cpp:23:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, m, n; ^ user.cpp:23:15: warning: unused variable ‘m’ [-Wunused-variable] int i, j, m, n; ^