Compilare: main.cpp: In function 'int main()': main.cpp:29:31: warning: array subscript has type 'char' [-Wchar-subscripts] h = (h * 62 + cod[a[n]]) % P; ^ main.cpp:30:31: warning: array subscript has type 'char' [-Wchar-subscripts] H = (H * 62 + cod[a[n]]) % Q; ^ main.cpp:43:33: warning: array subscript has type 'char' [-Wchar-subscripts] h1 = (h1 * 62 + cod[b[i]]) % P; ^ main.cpp:44:33: warning: array subscript has type 'char' [-Wchar-subscripts] h2 = (h2 * 62 + cod[b[i]]) % Q; ^ main.cpp:54:33: warning: array subscript has type 'char' [-Wchar-subscripts] h1 = ((h1 - cod[b[i - n]] * pw % P + P) * 62 + cod[b[i]]) % P; ^ main.cpp:54:64: warning: array subscript has type 'char' [-Wchar-subscripts] h1 = ((h1 - cod[b[i - n]] * pw % P + P) * 62 + cod[b[i]]) % P; ^ main.cpp:55:33: warning: array subscript has type 'char' [-Wchar-subscripts] h2 = ((h2 - cod[b[i - n]] * PW % Q + Q) * 62 + cod[b[i]]) % Q; ^ main.cpp:55:64: warning: array subscript has type 'char' [-Wchar-subscripts] h2 = ((h2 - cod[b[i - n]] * PW % Q + Q) * 62 + cod[b[i]]) % Q; ^