Compilare: user.cpp: In function 'void write()': user.cpp:22: warning: format '%u' expects type 'unsigned int', but argument 2 has type 'long long unsigned int' user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp:23: warning: format '%u' expects type 'unsigned int', but argument 2 has type 'long long unsigned int' user.cpp:24: warning: format '%u' expects type 'unsigned int', but argument 2 has type 'long long unsigned int' user.cpp: In function 'void dublu(int)': user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void sterg()': user.cpp:54: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void read()': user.cpp:62: warning: format '%u' expects type 'unsigned int*', but argument 2 has type 'long long unsigned int*' user.cpp:64: warning: comparison between signed and unsigned integer expressions