Compilare: user.cpp: In function ‘void read_data()’: user.cpp:10: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘short int*’ user.cpp:12: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘short int*’ user.cpp:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void init()’: user.cpp:23: warning: overflow in implicit constant conversion user.cpp: In function ‘int main()’: user.cpp:54: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:55: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result