Compilare: user.cpp: In function ‘int calc(double, double)’: user.cpp:11: warning: unused variable ‘j’ user.cpp:12: warning: unused variable ‘mini’ user.cpp: In function ‘void read()’: user.cpp:41: warning: format ‘%f’ expects type ‘float*’, but argument 3 has type ‘double*’ user.cpp:45: warning: format ‘%f’ expects type ‘float*’, but argument 3 has type ‘double*’ user.cpp:45: warning: format ‘%f’ expects type ‘float*’, but argument 4 has type ‘double*’ user.cpp:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result