Compilare: user.cpp: In function ‘int main()’: user.cpp:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int cautbinst(int)’: user.cpp:8: warning: ‘mij’ may be used uninitialized in this function user.cpp: In function ‘int cautbindr(int)’: user.cpp:22: warning: ‘mij’ may be used uninitialized in this function