Compilare: user.cpp: In function 'void solve()': user.cpp:32: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[11]' user.cpp:50: warning: left-hand operand of comma has no effect user.cpp:50: warning: right-hand operand of comma has no effect user.cpp:51: warning: array subscript has type 'char' user.cpp:28: warning: 'nr' may be used uninitialized in this function user.cpp:28: warning: 'poz' may be used uninitialized in this function