Compilare: user.cpp: In function ‘int main()’: user.cpp:12:23: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%lld",&v[i]); ^ user.cpp:3:13: warning: integer overflow in expression [-Woverflow] #define mod 1000000007 ^ user.cpp:17:13: note: in expansion of macro ‘mod’ s=(s+10*mod)%mod; ^ user.cpp:9:15: warning: unused variable ‘x’ [-Wunused-variable] long long n,i,x,k,s; ^ user.cpp:9:17: warning: unused variable ‘k’ [-Wunused-variable] long long n,i,x,k,s; ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen ("galagie.in","r",stdin); ^ user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("galagie.out","w",stdout); ^ user.cpp:10:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^ user.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&v[i]); ^