Compilare: user.cpp: In function ‘int main()’: user.cpp:14:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=1;c[i];i++) ^ user.cpp:16:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:57: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:71: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:85: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:99: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^ user.cpp:16:113: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[i]!=' ' and c[i]!='.' and c[i]!='-' and c[i]!='!' and c[i]!='?' and c[i]!=',' and c[i]!=';' and c[i]!=':') ^