Compilare: In file included from /usr/include/c++/4.2/backward/fstream.h:31, from user.cpp:1: /usr/include/c++/4.2/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated. user.cpp:166:2: warning: no newline at end of file user.cpp: In function 'void calc()': user.cpp:13: warning: array subscript has type 'char' user.cpp:18: warning: array subscript has type 'char' user.cpp:23: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:50: warning: array subscript has type 'char' user.cpp:61: warning: array subscript has type 'char' user.cpp:61: warning: array subscript has type 'char' user.cpp:72: warning: array subscript has type 'char' user.cpp:76: warning: array subscript has type 'char' user.cpp:89: warning: array subscript has type 'char' user.cpp:115: warning: array subscript has type 'char' user.cpp:120: warning: array subscript has type 'char' user.cpp:122: warning: array subscript has type 'char' user.cpp:122: warning: array subscript has type 'char' user.cpp:124: warning: array subscript has type 'char' user.cpp:125: warning: array subscript has type 'char' user.cpp:125: warning: array subscript has type 'char' user.cpp:127: warning: array subscript has type 'char' user.cpp:127: warning: array subscript has type 'char' user.cpp:133: warning: array subscript has type 'char' user.cpp:134: warning: array subscript has type 'char' user.cpp:138: warning: array subscript has type 'char' user.cpp:138: warning: array subscript has type 'char' user.cpp:138: warning: array subscript has type 'char' user.cpp:138: warning: array subscript has type 'char' user.cpp:140: warning: array subscript has type 'char' user.cpp:140: warning: array subscript has type 'char' user.cpp:143: warning: array subscript has type 'char' user.cpp:143: warning: array subscript has type 'char' user.cpp:143: warning: array subscript has type 'char' user.cpp:146: warning: array subscript has type 'char' user.cpp:146: warning: array subscript has type 'char'