Eroare de compilare: user.cpp: In function ‘ll operator%(const bigint&, ll)’: user.cpp:49:36: error: expected primary-expression before ‘long’ for (int i=a.t[0];i>=1;i--) r=(long long(10*r+a.t[i]))%x; ^ user.cpp:49:36: error: expected ‘)’ before ‘long’ user.cpp: In function ‘int main()’: user.cpp:53:29: 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:54:31: 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:55:10: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s+1); ^ user.cpp:56:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&x); ^