Compilare: user.cpp: In function ‘int distanta(int, int)’: user.cpp:21: warning: unused variable ‘min’ user.cpp: In function ‘int main()’: user.cpp:112: warning: unused variable ‘y’ user.cpp:114: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:115: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:117: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:123: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int bs2(int)’: user.cpp:69: warning: ‘u’ may be used uninitialized in this function user.cpp: In function ‘int bs1(int)’: user.cpp:92: warning: ‘u’ may be used uninitialized in this function