Compilare: user.cpp: In constructor ‘HugeN::HugeN(long int)’: user.cpp:18:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] x[x[0]] = n % 10; ^ user.cpp: In constructor ‘HugeN::HugeN(long long int)’: user.cpp:27:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] x[x[0]] = n % 10; ^ user.cpp: In member function ‘HugeN HugeN::operator+(HugeN)’: user.cpp:46:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] c.x[0]++, c.x[c.x[0]] = t; ^ user.cpp: In member function ‘void HugeN::print()’: user.cpp:77:31: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=] printf("%ld", x[i]); ^ user.cpp: In function ‘int main()’: user.cpp:85:10: warning: unused variable ‘i’ [-Wunused-variable] long i, j; ^ user.cpp:85:13: warning: unused variable ‘j’ [-Wunused-variable] long i, j; ^ user.cpp:89:30: warning: unused variable ‘kb2’ [-Wunused-variable] long long ka1, ka2, kb1, kb2; ^ user.cpp:86:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tort.in", "r", stdin); ^ user.cpp:87:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tort.out", "w", stdout); ^ user.cpp:88:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld", &A, &B); ^