Compilare: user.cpp: In member function ‘huge& huge::operator+(long long int)’: user.cpp:78:10: warning: unused variable ‘i’ [-Wunused-variable] long i; ^ user.cpp: In function ‘int main()’: user.cpp:100:18: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1000005]’ [-Wformat=] scanf("%s",&s); ^ user.cpp:96:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("next.in","r",stdin); ^ user.cpp:97:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("next.out","w",stdout); ^ user.cpp:100:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); ^ user.cpp:103:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&d); ^