Compilare: user.cpp: In function ‘void setvalue(bignr&, char)’: user.cpp:34:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] A.v[A.lung] = x%10; ^ user.cpp: In function ‘bignr product(bignr, bignr)’: user.cpp:44:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=0; i<N; ++i) C.v[i] = 0; ^ user.cpp:53:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] C.v[i+j-1] += B.v[j] * A.v[i]; ^ user.cpp:53:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] C.v[i+j-1] += B.v[j] * A.v[i]; ^ user.cpp:56:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(C.v[k]>9) ^ user.cpp:58:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] rest = C.v[k] / 10; ^ user.cpp:59:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] C.v[k] %= 10; ^ user.cpp:66:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(C.v[C.lung] == 0) --C.lung; ^ user.cpp: In function ‘bignr sum(bignr, bignr)’: user.cpp:76:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=0; i<N; ++i) C.v[i] = 0; ^ user.cpp:77:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=1; i<=B.lung; ++i) C.v[i] = B.v[i]; ^ user.cpp:77:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=1; i<=B.lung; ++i) C.v[i] = B.v[i]; ^ user.cpp:81:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] C.v[i] += A.v[i]; ^ user.cpp:81:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] C.v[i] += A.v[i]; ^ user.cpp:83:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(C.v[k] > 9) ^ user.cpp:85:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] rest = C.v[k] / 10; ^ user.cpp:86:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] C.v[k] %= 10;