Cod sursa(job #3347943)

Utilizator Tudor28Ceclan Tudor Tudor28 Data 18 martie 2026 23:04:19
Problema Order Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.53 kb
#include <fstream>
#include <iostream>
#include <unordered_set>
using namespace std;
ifstream fin("order.in");
ofstream fout("order.out");
int aib[300005];
int n;
void add(int pos, int x)
{
    for (int i = pos; i <= n; i += (i & -i))
    {
        aib[i] += x;
    }
}
int query(int pos)
{
    int cnt = 0;
    for (int i = pos; i >= 1; i -= (i & (-i)))
    {
        cnt += aib[i];
    }
    return cnt;
}
int check(int k)
{
    int l = 1;
    int r = n;
    while (l <= r)
    {
        int mid = (l + r) / 2;
        if (query(mid) == k)
        {
            return mid;
        }
        else if (query(mid) < k)
        {
            l = mid + 1;
        }
        else
        {
            r = mid - 1;
        }
    }
    return -1;
}
int main()
{

    fin >> n;
    int pos = 1;
    for (int i = 1; i <= n; i++)
    {
        add(i, 1);
    }
    int cn = n;
    int val = 0;
    int lasti = 0;
    int acutualPos;
    cout << check(2);
    cout << '\n';

    unordered_set<int> poses;
    for (int i = 1; i < n; i++)
    {
        pos += i;

        if (pos > cn)
        {
            for (auto k : poses)
            {
                add(k, -1);
            }
            poses.clear();
            cn = cn - (i - lasti);
            lasti = i;
            pos = (pos - 1) % cn + 1;
        }
        // cout << cn << " ";
        fout << check(pos) << " ";
        // fout << pos << " ";
        poses.insert(pos);
    }

    fout << check(1) + 1;
    return 0;
}