Cod sursa(job #1311251)

Utilizator rangerChihai Mihai ranger Data 7 ianuarie 2015 21:29:58
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.03 kb
#include<fstream>
using namespace std;

const int N=30003;
int a[N],b[N],t[4*N],n,i,x;

void build(int nod, int l, int r)
{
    if (l==r) t[nod]=1;
    else{
        build(2*nod,l,(l+r)/2);
        build(2*nod+1,(l+r)/2+1,r);
        t[nod]=t[2*nod]+t[2*nod+1];
    }
}

void update(int nod, int l, int r, int pos)
{
    if (l==r) t[nod]=0;
     else{
        if (pos<=(l+r)/2) update(2*nod,l,(l+r)/2,pos);
         else update(2*nod+1,(l+r)/2+1,r,pos);
        t[nod]=t[2*nod]+t[2*nod+1];
     }
}

int query(int nod, int l, int r, int pos)
{
    if (l==r) return l;
        int mij=(l+r)/2;
        if (t[2*nod]>=pos)return query(2*nod,l,mij,pos);
        else return query(2*nod+1,mij+1,r,pos-t[2*nod]);
}

int main()
{
    ifstream cin("schi.in");
    ofstream cout("schi.out");

    cin>>n;
    for (i=1;i<=n;i++)cin>>a[i];

    build(1,1,n);
    for (i=n;i;i--){
        int x=query(1,1,n,a[i]);
        update(1,1,n,x);
        b[x]=i;
    }
    for (i=1;i<=n;i++)cout<<b[i]<<"\n";
    return 0;
}