Compilare: user.cpp: In function 'int main()': user.cpp:133: warning: array subscript has type 'char' user.cpp:133: warning: array subscript has type 'char' user.cpp: In function 'int ground3()': user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp: In function 'int main()': user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here user.cpp:37: warning: 'nr' may be used uninitialized in this function user.cpp:37: note: 'nr' was declared here