Compilare: user.cpp: In function 'int main()': user.cpp:82: warning: format '%d' expects type 'int*', but argument 2 has type 'char*' user.cpp:82: warning: format '%d' expects type 'int*', but argument 3 has type 'char*' user.cpp:82: warning: too many arguments for format user.cpp: In function 'int cauta(char, char)': user.cpp:19: warning: 'unde' may be used uninitialized in this function