Compilare: user.cpp: In function 'int main()': user.cpp:46: warning: format '%d' expects type 'int*', but argument 2 has type 'bool*' user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp:66: warning: comparison between signed and unsigned integer expressions user.cpp:66: warning: comparison between signed and unsigned integer expressions user.cpp:66: warning: comparison between signed and unsigned integer expressions