Cod sursa(job #2123598)

Utilizator andreigeorge08Sandu Ciorba andreigeorge08 Data 6 februarie 2018 13:54:17
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.23 kb
#include <bits/stdc++.h>

using namespace std;
ofstream fout("schi.out");
int n, a[30005], aib[30005], rez[30005];
void Citire()
{
    FILE *fin = freopen("schi.in", "r", stdin);

    fscanf(fin, "%d", &n);

    for(int i = 1; i <= n; i++)
        fscanf(fin, "%d", &a[i]);

    fclose(fin);
}
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 CautaPoz(int sum)
{
    int st = 1, dr = n, poz = -1, suma;

    while(st <= dr)
    {
        int mij = (st + dr) / 2;
        suma = Query(mij);

        if(suma == sum)
        {
            poz = mij;
            dr = mij - 1;
        }
        else if(suma > sum)
            dr = mij - 1;
        else st = mij + 1;
    }
    return poz;
}
void Rez()
{
    for(int i = 1; i <= n; i++)
        Update(i, 1);

    for(int i = n; i >= 1; i--)
    {
        int k = CautaPoz(a[i]);
        rez[k] = i;
        Update(k, -1);
    }

    for(int i = 1; i <= n; i++)
        fout << rez[i] << "\n";
}
int main()
{
    Citire();
    Rez();
    return 0;
}