Compilare: user.cpp: In function ‘long long int putere(long long int, long long int)’: user.cpp:7:32: warning: value computed is not used [-Wunused-value] if (b<0) putere(1/n,(-1)*p)%MOD; ^ user.cpp:10:36: warning: left operand of comma operator has no effect [-Wunused-value] else return a*putere(((1LL*a*a)%MOD,b/2),(b-1)/2)%MOD; ^ user.cpp:11:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:14:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.in","r",stdin); ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.out","w",stdout); ^ user.cpp:16:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld",&n,&p); ^