Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <iostream>
- #include <fstream>
- using namespace std;
- ifstream fin("aib.in");
- ofstream fout("aib.out");
- #define NMAX 100005
- int zero(int x)
- {
- return (x^(x-1)&x);
- }
- int x,aib[NMAX],n;
- void update(int x)
- {
- for(int i=x;i<=n;i+=zero(i))
- aib[i]++;
- }
- int query(int x)
- {
- int s=0;
- for(int i=x;i>0;i-=zero(i))
- s+=aib[i];
- return s;
- }
- int main()
- {
- cin>>n;
- for(int i=1;i<=n;i++)
- {
- cin>>x;
- cout<<query(x-1)<<" ";
- update(x);
- }
- return 0;
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement