Compilare: user.cpp: In function ‘int main()’: user.cpp:16:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] last[i][sir[i]]=i; ^ user.cpp:23:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (last[i][dict[j][strlen(dict[j])-1]] != 0) { ^ user.cpp:24:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] int cost = i - last[i][dict[j][strlen(dict[j])-1]]; ^ user.cpp:25:59: warning: array subscript has type ‘char’ [-Wchar-subscripts] previ = last[i][dict[j][strlen(dict[j])-1]]; ^ user.cpp:27:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] cost += max(0, previ - last[previ][dict[j][k]]-1); ^ user.cpp:28:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] previ = last[previ][dict[j][k]]; ^ user.cpp:41:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (last[i][dict[j][strlen(dict[j])-1]] != 0) { ^ user.cpp:42:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] int cost = i - last[i][dict[j][strlen(dict[j])-1]]; ^ user.cpp:43:59: warning: array subscript has type ‘char’ [-Wchar-subscripts] previ = last[i][dict[j][strlen(dict[j])-1]]; ^ user.cpp:45:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (last[previ-1][dict[j][k]] == 0) { ^ user.cpp:49:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] cost += max(0, previ - last[previ][dict[j][k]] - 1); ^ user.cpp:50:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] previ = last[previ-1][dict[j][k]]; ^