Compilare: main.cpp: In function 'int main()': main.cpp:62:29: warning: array subscript has type 'char' [-Wchar-subscripts] sp[0][i] = last[0][s[0][i]] + 1; ^ main.cpp:63:29: warning: array subscript has type 'char' [-Wchar-subscripts] sp[1][i] = last[1][s[1][i]] + 1; ^ main.cpp:64:18: warning: array subscript has type 'char' [-Wchar-subscripts] last[0][s[0][i]] = sp[0][i]; ^ main.cpp:65:18: warning: array subscript has type 'char' [-Wchar-subscripts] last[1][s[1][i]] = sp[1][i]; ^ main.cpp:91:35: warning: array subscript has type 'char' [-Wchar-subscripts] ans += pairs_full * (last[0][lit] + last[1][lit]); ^ main.cpp:91:50: warning: array subscript has type 'char' [-Wchar-subscripts] ans += pairs_full * (last[0][lit] + last[1][lit]); ^ main.cpp:93:40: warning: array subscript has type 'char' [-Wchar-subscripts] ans += ramas * last[kind(full-1)][lit]; ^