Compilare: user.cpp: In function ‘void cit()’: user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void rez()’: user.cpp:67: warning: unused variable ‘nr2’ user.cpp: In function ‘int main()’: user.cpp:98: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:99: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void rez()’: user.cpp:67: warning: ‘max’ may be used uninitialized in this function user.cpp:82: warning: assuming signed overflow does not occur when assuming that (X + c) <= X is always false