Compilare: user.cpp:84:2: warning: no newline at end of file user.cpp: In function 'void add(u64*, u64*)': user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void mul(u64*, u64*)': user.cpp:33: warning: comparison between signed and unsigned integer expressions user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp:36: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void print(const u64*)': user.cpp:46: warning: format '%u' expects type 'unsigned int', but argument 3 has type 'long long unsigned int' user.cpp:48: warning: format '%09u' expects type 'unsigned int', but argument 3 has type 'long long unsigned int'