제출 #1024447

#제출 시각아이디문제언어결과실행 시간메모리
1024447vjudge1디지털 회로 (IOI22_circuit)C++17
0 / 100
18 ms15960 KiB
#include "circuit.h"
#include <bits/stdc++.h>

using namespace std;

#define rall(s) s.rbegin(), s.rend()
#define all(s) s.begin(), s.end()
#define sz(s) (int) s.size()
#define s second 
#define f first 

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int N = 5e5, mod = 1000002022;

int n, m;
vector<int> g[N], a(N);

void init(int nn, int M, vector<int> P, vector<int> A) {
    n = nn, m = M;
    for (int i = 0; i < m; i++) a[i + n] = A[i];
    for (int i = 1; i < n + m; i++) {
        g[P[i]].push_back(i);
    }
}

pii get(int u) {
    if (!sz(g[u])) {
        if (a[u]) return {1, 0};
        return {0, 1};
    }
    int cnt = 0;
    vector<ll> val(sz(g[u]) + 1);
    val[0] = 1;
    for (int to: g[u]) {
        cnt++;
        auto [x, y] = get(to);
        for (int i = cnt; i >= 0; i--) {
            val[i] = (val[i] * y) % mod;
            if (i) val[i] = (val[i] + val[i - 1] * x) % mod;
        }
    }
    ll x = 0, y = 0;
    for (int i = 0; i <= cnt; i++) {
        cout << val[i] << ' ';
        x = (x + val[i] * i) % mod;
        y = (y + val[i] * (cnt - i)) % mod;
    }
    return {x, y};
}

int count_ways(int l, int r) {
    for (int i = l; i <= r; i++) {
        a[i] = 1 - a[i];
    }
    return get(0).f;
}
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