Cod sursa(job #2486017)

Utilizator ioanaa_ghGhiorghi Ioana-Cristina ioanaa_gh Data 2 noiembrie 2019 11:21:16
Problema Schi Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.1 kb
#include <bits/stdc++.h>

using namespace std;

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

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

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

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

int CB(int p, int x)
{
    int st, dr, mij, poz, suma = 0;
    st = 1;
    dr = p;
    poz = -1;
    while(st <= dr)
    {
        mij = (st + dr) / 2;
        suma = Suma(mij);
        if(suma == x)
        {
            poz = mij;
            dr = mij - 1;
        }
        else if(suma > x)
            dr = mij - 1;
        else st = mij + 1;
    }
    return poz;
}

int main()
{
    int i, p;
    fin >> n;
    for(i = 1; i <= n; i++)
    {
        fin >> a[i];
        Update(i, 1);
    }
    for(i = n; i >= 1; i--)
    {
        p = CB(n, a[i]);
        Update(p, -1);
        cls[p] = i;
    }
    for(i = 1; i <= n; i++)
        fout << cls[i] << "\n";
    return 0;
}