Eroare de compilare: user.cpp:4:8: error: expected constructor, destructor, or type conversion before ‘(’ token freopen("densitate.in","r",stdin); ^ user.cpp:5:8: error: expected constructor, destructor, or type conversion before ‘(’ token freopen("densitate.out","w",stdout); ^ user.cpp: In function ‘int main()’: user.cpp:21:9: error: expected ‘;’ before ‘c1’ c1=cautbin(a-1)+1; ^ user.cpp: In function ‘unsigned int ciurb(unsigned int)’: user.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=4;j<=m;j+=2) ciur[j]=1; ^ user.cpp:44:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:16:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&q); ^ user.cpp:21:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] c1=cautbin(a-1)+1; ^