Compilare: main.cpp: In function 'int main()': main.cpp:28:30: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | hA = (hA * 73 + c[a[i]]) % mod1; | ~~~^ main.cpp:29:30: warning: array subscript has type 'char' [-Wchar-subscripts] 29 | HA = (HA * 73 + c[a[i]]) % mod2; | ~~~^ main.cpp:33:30: warning: array subscript has type 'char' [-Wchar-subscripts] 33 | hB = (hB * 73 + c[b[i]]) % mod1; | ~~~^ main.cpp:34:30: warning: array subscript has type 'char' [-Wchar-subscripts] 34 | HB = (HB * 73 + c[b[i]]) % mod2; | ~~~^ main.cpp:48:30: warning: array subscript has type 'char' [-Wchar-subscripts] 48 | hB = ((hB - c[b[i - n]] * p % mod1 + mod1) * 73 + c[b[i]]) % mod1; | ~~~~~~~^ main.cpp:48:64: warning: array subscript has type 'char' [-Wchar-subscripts] 48 | hB = ((hB - c[b[i - n]] * p % mod1 + mod1) * 73 + c[b[i]]) % mod1; | ~~~^ main.cpp:49:30: warning: array subscript has type 'char' [-Wchar-subscripts] 49 | HB = ((HB - c[b[i - n]] * P % mod2 + mod2) * 73 + c[b[i]]) % mod2; | ~~~~~~~^ main.cpp:49:64: warning: array subscript has type 'char' [-Wchar-subscripts] 49 | HB = ((HB - c[b[i - n]] * P % mod2 + mod2) * 73 + c[b[i]]) % mod2; | ~~~^