Compilare: user.cpp: In function ‘int main()’: user.cpp:40:45: warning: format ‘%f’ expects argument of type ‘float*’, but argument 3 has type ‘double*’ [-Wformat=] fscanf(fin, "%f%f", &p[i].x, &p[i].y); ^ user.cpp:40:45: warning: format ‘%f’ expects argument of type ‘float*’, but argument 4 has type ‘double*’ [-Wformat=] user.cpp:38:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:40:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%f%f", &p[i].x, &p[i].y); ^