Compilare: user.cpp: In function ‘void read()’: user.cpp:75:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &ordin_initial, &nr_teste); ^ user.cpp:78:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x_test, &y_test); ^ user.cpp: In function ‘long unsigned int DET(int, int, int)’: user.cpp:57:26: warning: ‘new_x’ may be used uninitialized in this function [-Wmaybe-uninitialized] new_x-=x-half; ^