Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:55:11: error: invalid initialization of reference of type ‘long long int&’ from expression of type ‘int’ read(T); ^ user.cpp:29:6: error: in passing argument 1 of ‘void read(long long int&)’ void read(long long &x) { ^ user.cpp:52:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("invazie.in" , "r" , stdin); ^ user.cpp:53:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("invazie.out" , "w" , stdout); ^