Cod sursa(job #3144998)

Utilizator verde.cristian2005Verde Flaviu-Cristian verde.cristian2005 Data 11 august 2023 18:56:38
Problema Schi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.08 kb
#include <bits/stdc++.h>
using namespace std;

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

int v[30001], afis[30001];

int aib[30001], n;

int lsb(int x)
{
    return x & -x;
}

void update(int poz, int val)
{
    for(; poz <= n; poz += lsb(poz))
        aib[poz] += val;
}

int query(int poz)
{
    int sum = 0;
    for(; poz > 0; poz -= lsb(poz))
        sum += aib[poz];
    return sum;
}

int al_catelea_zero(int k)
{
    int st = 0, dr = n;
    while(st < dr - 1)
    {
        int mij = (st + dr) / 2;
        if(query(mij) >= k)
            dr = mij - 1;
        else
            st = mij;
    }
    if(query(dr) < k)
        return dr + 1;
    return st + 1;
}

int main()
{
    in >> n;
    for(int i = 1; i <= n; i++)
        in >> v[i];
    for(int i = 1; i <= n; i++)
        aib[i] = lsb(i);
    for(int i = n; i >= 1; i--)
    {
        int x = al_catelea_zero(v[i]);
        //out << x << '\n';
        afis[x] = i;
        update(x, -1);
    }
    for(int i = 1; i <= n; i++)
        out << afis[i] << '\n';
    return 0;
}