Compilare: user.cpp: In member function ‘int Mare::zero()’: user.cpp:211: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp: In member function ‘void Mare::radical_normal(Mare&, int)’: user.cpp:407: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp: In function ‘int main()’: user.cpp:432: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:433: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:434: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result