Cod sursa(job #1606549)

Utilizator aaron72Armand Ioan Anusca Popa aaron72 Data 20 februarie 2016 12:46:16
Problema Order Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.32 kb
#include <bits/stdc++.h>
#define nmax 30005

using namespace std;

int n,aib[nmax];

inline void Update(int p,int x)
{
    while(p<=n)
    {
        aib[p]+=x;
        p+=(p&(-p));
    }
}

inline int Query(int p)
{
    int val=0;
    while(p>0)
    {
        val+=aib[p];
        p-=(p&(-p));
    }
    return val;
}

inline int Bin_Search(int x,int st,int dr)
{
    int sol=1,inter,mij,q;
    q=Query(st-1);
    while(st<=dr)
    {
        mij=(st+dr)/2;
        inter=Query(mij)-q;
        if(inter==x)
        {
            sol=mij;
            dr=mij-1;
        }
        else if(inter>x) dr=mij-1;
        else st=mij+1;
    }
    return sol;
}

int main()
{
    int i,sol,aux,k;
    int poz=1,t;
    ifstream fin("order.in");
    ofstream fout("order.out");
    fin>>n;
    for(i=1;i<=n;i++)
        Update(i,1);
    for(i=1;i<=n;i++)
    {
        sol=Query(n)-Query(poz);
        if(sol>=i)
        {
            t=Bin_Search(i,poz+1,n);
            fout<<t<<" ";
            poz=t;
            Update(poz,-1);
        }
        else
        {
            aux=i-sol;
            k=aux%(n-i+1);
            if(k==0) k=n-i+1;
            aux=Bin_Search(k,1,n);
            fout<<aux<<" ";
            poz=aux;
            Update(poz,-1);
        }
    }
    return 0;
}