Compilare: main.cpp: In function 'int main()': main.cpp:17:23: warning: array subscript has type 'char' [-Wchar-subscripts] skip[ text[i] ]++; ^ main.cpp:20:26: warning: array subscript has type 'char' [-Wchar-subscripts] need[ pattern[i] ]++; ^ main.cpp:21:26: warning: array subscript has type 'char' [-Wchar-subscripts] skip[ pattern[i] ]--; ^ main.cpp:32:28: warning: array subscript has type 'char' [-Wchar-subscripts] if ( need[ text[i] ] ) ^ main.cpp:34:46: warning: array subscript has type 'char' [-Wchar-subscripts] while ( pos && skip[ text[pos-1] ] && text[i] < text[pos-1] ) ^ main.cpp:37:33: warning: array subscript has type 'char' [-Wchar-subscripts] skip[ text[pos] ]--; ^ main.cpp:38:33: warning: array subscript has type 'char' [-Wchar-subscripts] need[ text[pos] ]++; ^ main.cpp:41:27: warning: array subscript has type 'char' [-Wchar-subscripts] need[ text[i] ]--; ^ main.cpp:44:27: warning: array subscript has type 'char' [-Wchar-subscripts] skip[ text[i] ]--; ^