Cod sursa(job #2784908)

Utilizator MihneaCadar101Cadar Mihnea MihneaCadar101 Data 17 octombrie 2021 18:02:52
Problema Curcubeu Scor 70
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.09 kb
#include <bits/stdc++.h>
using namespace std;

ifstream fin("curcubeu.in");
ofstream fout("curcubeu.out");

const int nmax = 1000006;
int n, a[nmax], b[nmax], c[nmax], ans[nmax], t[nmax];

int findd(int nr) {
    if (nr != t[nr]) return t[nr] = findd(t[nr]);

    return nr;
}

void unite (int st, int dr) {
    t[st] = t[findd(dr)];
}

int main()
{
    fin >> n >> a[1] >> b[1] >> c[1];
    t[1] = 1;
    for (int i = 2; i < n; ++i) {
        a[i] = (1LL * a[i - 1] * i) % n;
        b[i] = (1LL * b[i - 1] * i) % n;
        c[i] = (1LL * c[i - 1] * i) % n;
        t[i] = i;
    }

    t[n] = n;
    for (int i = n - 1; i >= 1; --i) {
        int st = a[i], dr = b[i], x = c[i];
        if (st > dr) swap(st, dr);

        while (st <= dr) {
            if (st != t[st]) {
                st = findd(st);
                continue;
            }

            ans[st] = x;
            unite (st, dr + 1);
            if (st + 1 > dr) break;

            st = findd(++st);
        }
    }

    for (int i = 1; i < n; ++i) fout << ans[i] << '\n';
    return 0;
}