Compilare: user.cpp: In function ‘void bf(int)’: user.cpp:17: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void calc(int)’: user.cpp:43: warning: the address of ‘max1’ will always evaluate as ‘true’ user.cpp:44: warning: the address of ‘max2’ will always evaluate as ‘true’ user.cpp: In function ‘int main()’: user.cpp:54: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:55: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:59: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result