Cod sursa(job #2609383)

Utilizator tavi255Varzaru Octavian Stefan tavi255 Data 2 mai 2020 15:31:43
Problema Arbori indexati binar Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.84 kb
#include <iostream>

using namespace std;

const int Max=100005; int n;
int s,d,x,mx,nr,val,poz,I[4*Max];


void query(int nod,int st,int dr)
{
    if(s<=st && dr<=d)
    {
        mx+=I[nod];
        return;
    }
    int mij=(st+dr)/2;
    if(s<=mij)
        query(2*nod,st,mij);
    if(d>mij)
        query(2*nod+1,mij+1,dr);
}

void update(int nod,int st,int dr)
{
    if(st==dr)
    {
        I[nod]=1;
        return;
    }
    int mij=(st+dr)/2;
    if(poz<=mij)
        update(2*nod,st,mij);
    else
        update(2*nod+1,mij+1,dr);
     I[nod]=I[2*nod]+I[2*nod+1];
}

int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>val;  mx=0; poz=val; s=1; d=val-1;
        if(d<s)
            d=s;
        query(1,1,n);
        cout<<mx<<" ";
        update(1,1,n);
    }
    return 0;
}