Compilare: user.cpp: In function ‘int main()’: user.cpp:132: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘unsigned char*’ user.cpp:132: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘unsigned char*’ user.cpp:132: warning: format ‘%d’ expects type ‘int*’, but argument 4 has type ‘short unsigned int*’ user.cpp:125: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:126: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:127: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:132: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:153: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:158: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result