Cod sursa(job #2124381)

Utilizator AndreiLunguLungu Andrei Sebastian AndreiLungu Data 7 februarie 2018 10:37:15
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.05 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("schi.in");
ofstream fout("schi.out");

int n, a[30005], aib[30005], t[30005];

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

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

int CautBin(int x)
{
    int st, dr, mij, s, poz;
    st = 1;
    dr = n;
    while(st <= dr)
    {
        mij = (st + dr) / 2;
        s = Query(mij);
        if(s == x)
        {
            poz = mij;
            dr = mij - 1;
        }
        else if(s > x) dr = mij - 1;
        else st = mij + 1;
    }
    return  poz;
}

int main()
{
    int i, x;
    fin >> n;
    for(i = 1; i <= n; i++)
    {
        fin >> a[i];
        Update(i,1);
    }
    for(i = n; i >= 1; i--)
    {
        x = CautBin(a[i]);
        t[x] = i;
        Update(x,-1);
    }


    for(i = 1; i <= n; i++)
        fout << t[i] <<"\n";
    return 0;
}