Cod sursa(job #1263183)

Utilizator alexb97Alexandru Buhai alexb97 Data 14 noiembrie 2014 00:22:32
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.06 kb
#include <fstream>
#include <iostream>
#define DIM 30001
using namespace std;

ifstream is("schi.in");
ofstream os("schi.out");

int n, a[DIM], aib[DIM], sol[DIM];

int Sum(int k);
int Bs(int k);
void Update(int poz, int v);

int main()
{
    is >> n;
    for( int i = 1; i <= n; ++i)
    {
        is >> a[i];
        Update(i, 1);
    }
    int poz;
    for(int i = n; i >= 1; --i)
    {
        poz = Bs(a[i]);
        Update(poz, -1);
        sol[poz] = i;
    }
    for(int i = 1; i <= n; ++i)
        os << sol[i] << '\n';
    is.close();
    os.close();
    return 0;
}


int Bs(int k)
{
    int i = 0;
    for(int p = 1 << 15; p; p >>= 1)
    {
        if(i  + p <= n && aib[i + p] <k)
        {
            k -= aib[i+p];
            i += p;
        }
    }
    return i + 1;
}

int Sum(int k)
{
    int suma = 0;
    for(int i = k; i >= 1; i -= i &  -i)
        suma += aib[i];
    return suma;
}

void Update(int poz, int v)
{
    for(int i = poz; i <= n; i += i & -i)
        aib[i] += v;
    return;
}