Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:15:35: error: ‘freeopen’ was not declared in this scope { freeopen("eucli2.in","r",stdin); ^ user.cpp:17:18: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%d",&t); ^ user.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:21:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld",&a, &b); ^