Compilare: user.cpp: In function ‘int main()’: user.cpp:20:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] count1[i][j] = count1[i - 1][j]; ^ user.cpp:20:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] count1[i][j] = count1[i - 1][j]; ^ user.cpp:21:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] count2[i][j] = count2[i - 1][j]; ^ user.cpp:21:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] count2[i][j] = count2[i - 1][j]; ^ user.cpp:64:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (count1[k][c] * c1 + count2[k][c] * c2 + (caps ? count2[r][c] : count1[r][c])) << '\n'; ^ user.cpp:64:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (count1[k][c] * c1 + count2[k][c] * c2 + (caps ? count2[r][c] : count1[r][c])) << '\n'; ^ user.cpp:64:80: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (count1[k][c] * c1 + count2[k][c] * c2 + (caps ? count2[r][c] : count1[r][c])) << '\n'; ^ user.cpp:64:95: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (count1[k][c] * c1 + count2[k][c] * c2 + (caps ? count2[r][c] : count1[r][c])) << '\n'; ^ user.cpp:65:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] } else out << v[n] << ' ' << count1[n][v[n]] << '\n'; ^