Compilare: user.cpp: In function ‘int main()’: user.cpp:7:11: warning: unused variable ‘pp’ [-Wunused-variable] int n,pp,pp1,i,j,a,nr,min,x; ^ user.cpp:7:14: warning: unused variable ‘pp1’ [-Wunused-variable] int n,pp,pp1,i,j,a,nr,min,x; ^ user.cpp:7:20: warning: unused variable ‘j’ [-Wunused-variable] int n,pp,pp1,i,j,a,nr,min,x; ^ user.cpp:5:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere5.in","r",stdin); ^ user.cpp:6:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere5.out","w",stdout); ^ user.cpp:8:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^