Cod sursa(job #1142209)

Utilizator savulescustefanSavulescu Stefan savulescustefan Data 13 martie 2014 16:43:17
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.84 kb
#include <cstdio>
#define ub(x) (x&(-x))
using namespace std;
int st,dr,m,n,aib[30004],x,i,p,y[30004],d[30004],j;
int a (int x)
{
    int i,s;
    s=0;
    for (i=x;i>0;i-=ub(i))
        s+=aib[i];
    return s;
}
void b (int x)
{
    for (i=x;i<=n;i+=ub(i))
    aib[i]--;
}
int cautare (int x)
{
    int st,dr,m;
    st=1;
    dr=n;
    while (st<=dr)
    {
        m=(st+dr)/2;
        if (a(m)<x)
            st=m+1;
        else
            dr=m-1;
    }
    b(dr+1);
    return dr+1;
}
int main()
{
    freopen ("schi.in","r",stdin);
    freopen ("schi.out","w",stdout);
    scanf ("%d", &n);
    for (i=1;i<=n;i++)
        scanf ("%d", &d[i]);
    for (i=1;i<=n;i++)
        aib[i]=ub(i);
    for (j=n;j>=1;j--)
        y[cautare(d[j])]=j;
    for (i=1;i<=n;i++)
        printf ("%d\n", y[i]);
    return 0;
}