Compilare: main.cpp: In function 'int main()': main.cpp:144:21: warning: array subscript has type 'char' [-Wchar-subscripts] while (!d[f1].isEmpty() && d[f1].getFirst() < i-k){ ^ main.cpp:144:40: warning: array subscript has type 'char' [-Wchar-subscripts] while (!d[f1].isEmpty() && d[f1].getFirst() < i-k){ ^ main.cpp:145:17: warning: array subscript has type 'char' [-Wchar-subscripts] d[f1].popFirst(); ^ main.cpp:147:17: warning: array subscript has type 'char' [-Wchar-subscripts] if (d[f1].isEmpty()){ ^ main.cpp:151:28: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i] = dp[d[f1].getFirst()] + 1; ^ main.cpp:153:21: warning: array subscript has type 'char' [-Wchar-subscripts] while (!d[f2].isEmpty() && dp[d[f2].getLast()] <= dp[i]){ ^ main.cpp:153:43: warning: array subscript has type 'char' [-Wchar-subscripts] while (!d[f2].isEmpty() && dp[d[f2].getLast()] <= dp[i]){ ^ main.cpp:154:17: warning: array subscript has type 'char' [-Wchar-subscripts] d[f2].popLast(); ^ main.cpp:158:13: warning: array subscript has type 'char' [-Wchar-subscripts] d[f2].putLast(i); ^