Cod sursa(job #3004479)

Utilizator Vincent47David Malutan Vincent47 Data 16 martie 2023 12:50:23
Problema Order Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.09 kb
#include <fstream>
#include <vector>
#include <climits>

using namespace std;
ifstream cin("order.in");
ofstream cout("order.out");

int n, aib[30001];
void update(int p, int x)
{
    for (int i = p; i <= n; i += i & -i)
        aib[i] += x;
}

int query(int p)
{
    int s = 0;
    for(int i = p; i; i -= i & -i)
        s += aib[i];
    return s;
}

int cb(int x)
{
    int s = 1, d = n, mi = INT_MAX, r;

    while(s <= d)
    {
        int m = (s + d) >> 1;
        r = query(m);
        if (r == x){
            mi = min(mi, m);
            d = m - 1;
        }

        else if (r > x)
            d = m - 1;
        else s = m + 1;
    }
    return mi;
}


int main()
{
    cin >> n;

    for (int i = 1; i <= n; ++i)
        update(i, 1);

    int poz = 2, n2 = n;
    for (int i = 1; i < n; i++)
    {
        int p = cb(poz);
        update(p, -1);
        cout << p << ' ';
        poz += i;
        n2--;
        if (n2)
            poz = ((poz % n2 == 0) ? n : poz % n2);
    }

    int p = cb(1);
    cout << p << '\n';

    return 0;
}