Cod sursa(job #3347949)

Utilizator Tudor28Ceclan Tudor Tudor28 Data 18 martie 2026 23:23:47
Problema Order Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.9 kb
#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("order.in");
ofstream fout("order.out");
int aib[300005], 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, r = n;
    while (l <= r)
    {
        int mid = (l + r) / 2;
        if (query(mid) >= k)
            r = mid - 1;
        else
            l = mid + 1;
    }
    return l;
}
int main()
{
    fin >> n;
    int pos = 1;
    for (int i = 1; i <= n; i++)
    {
        add(i, 1);
    }
    for (int i = 1; i <= n; i++)
    {
        int ans = check(pos + 1);
        fout << ans << " ";
        add(ans, -1);
        if (i != n)
            pos = (pos + i) % (n - i);
    }
    return 0;
}