結果

問題 No.1477 Lamps on Graph
ユーザー T101010101T101010101
提出日時 2023-03-19 18:23:59
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 66 ms / 2,000 ms
コード長 6,781 bytes
コンパイル時間 3,765 ms
コンパイル使用メモリ 276,092 KB
実行使用メモリ 14,920 KB
最終ジャッジ日時 2024-09-18 13:51:29
合計ジャッジ時間 9,509 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 1 ms
5,376 KB
testcase_04 AC 1 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 3 ms
5,376 KB
testcase_07 AC 1 ms
5,376 KB
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 1 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 39 ms
9,216 KB
testcase_13 AC 36 ms
8,448 KB
testcase_14 AC 49 ms
9,984 KB
testcase_15 AC 23 ms
6,144 KB
testcase_16 AC 15 ms
6,400 KB
testcase_17 AC 13 ms
6,144 KB
testcase_18 AC 37 ms
10,960 KB
testcase_19 AC 33 ms
8,704 KB
testcase_20 AC 14 ms
5,376 KB
testcase_21 AC 31 ms
9,344 KB
testcase_22 AC 9 ms
5,376 KB
testcase_23 AC 27 ms
6,912 KB
testcase_24 AC 52 ms
10,880 KB
testcase_25 AC 20 ms
5,760 KB
testcase_26 AC 45 ms
11,136 KB
testcase_27 AC 25 ms
7,040 KB
testcase_28 AC 29 ms
8,320 KB
testcase_29 AC 27 ms
7,296 KB
testcase_30 AC 19 ms
7,040 KB
testcase_31 AC 16 ms
6,400 KB
testcase_32 AC 62 ms
14,920 KB
testcase_33 AC 55 ms
14,280 KB
testcase_34 AC 51 ms
14,920 KB
testcase_35 AC 66 ms
13,824 KB
testcase_36 AC 66 ms
13,696 KB
testcase_37 AC 58 ms
13,568 KB
testcase_38 AC 59 ms
13,880 KB
testcase_39 AC 65 ms
13,824 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#pragma region Macros

// #pragma GCC target("avx,avx2,fma")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")

#include <bits/extc++.h>
// #include <atcoder/fenwicktree>
// #include <atcoder/segtree>
// #include <atcoder/maxflow>
// using namespace atcoder;
using namespace std;
using namespace __gnu_pbds;
// using namespace __gnu_cxx;

// #include <boost/multiprecision/cpp_int.hpp>
// namespace mp = boost::multiprecision;
// using Bint = mp::cpp_int;

#define TO_STRING(var) # var
#define pb emplace_back
#define ture true
#define int ll
#define endl '\n'

using ll = long long;
using ld = long double;
const ld PI = acos(-1);
const ld EPS = 1e-10;
const int INF = 1 << 30;
const ll INFL = 1LL << 61;
const int MOD = 998244353;
// const int MOD = 1000000007;

__attribute__((constructor))
void constructor() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    // ifstream in("input.txt");
    // cin.rdbuf(in.rdbuf());
    cout << fixed << setprecision(15);
}

class UnionFind {
public:

	UnionFind() = default;

    UnionFind(int n) : par(n), 
	    sz(n, 1) { iota(par.begin(), par.end(), 0); }

	int root(int x) {
		if (par[x] == x) return x;
		return (par[x] = root(par[x]));
	}

	bool unite(int x, int y) {
		int rx = root(x);
		int ry = root(y);

        if (rx == ry) return false;
		if (sz[rx] < sz[ry]) swap(rx, ry);

		sz[rx] += sz[ry];
		par[ry] = rx;

        return true;
	}

	bool issame(int x, int y) {
		return (root(x) == root(y));
	}

	int size(int x) {
		return sz[root(x)];
	}

    int get_sum(int x) {
        return sum[root(x)];
    }

    vector<vector<int>> groups(int n) {
        vector<vector<int>> G(n);
        for (int x = 0; x < n; x++) {
            G[root(x)].push_back(x);
        }
		G.erase(
            remove_if(G.begin(), G.end(),
                [&](const vector<int>& v) { return v.empty(); }),
                    G.end());
        return G;
    }

private:
	vector<int> par;
	vector<int> sz;
    vector<int> sum;
};

template<int mod> class modint{
public:
    int val = 0;
    modint(int x = 0) { while (x < 0) x += mod; val = x % mod; }
    modint(const modint &r) { val = r.val; }

    modint operator -() { return modint(-val); }
    modint operator +(const modint &r) { return modint(*this) += r; }
    modint operator +(const int &q) { modint r(q); return modint(*this) += r; }
    modint operator -(const modint &r) { return modint(*this) -= r; }
    modint operator -(const int &q) { modint r(q); return modint(*this) -= r; }
    modint operator *(const modint &r) { return modint(*this) *= r; }
    modint operator *(const int &q) { modint r(q); return modint(*this) *= r; }
    modint operator /(const modint &r) { return modint(*this) /= r; }
    modint operator /(const int &q) { modint r(q); return modint(*this) /= r; }
    modint& operator ++() { val = (val + 1) % mod; return *this; }
    modint& operator --() { val = (val - 1 + mod) % mod; return *this; }

    modint &operator +=(const modint &r) {
        val += r.val; if (val >= mod) val -= mod;
        return *this;
    }
    modint &operator +=(const int &q) {
        modint r(q); val += r.val; if (val >= mod) val -= mod;
        return *this;
    }
    modint &operator -=(const modint &r) {
        if (val < r.val) val += mod; val -= r.val;
        return *this;
    }
    modint &operator -=(const int &q) {
        modint r(q);  if (val < r.val) val += mod; val -= r.val;
        return *this;
    }
    modint &operator *=(const modint &r) {
        val = val * r.val % mod;
        return *this;
    }
    modint &operator *=(const int &q) {
        modint r(q); val = val * r.val % mod;
        return *this;
    }
    modint &operator /=(const modint &r) {
        int a = r.val, b = mod, u = 1, v = 0;
        while (b) {int t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v);}
        val = val * u % mod; if (val < 0) val += mod;
        return *this;
    }
    modint &operator /=(const int &q) {
        modint r(q); int a = r.val, b = mod, u = 1, v = 0;
        while (b) {int t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v);}
        val = val * u % mod; if (val < 0) val += mod;
        return *this;
    }

    bool operator ==(const modint& r) { return this -> val == r.val; }
    bool operator <(const modint& r) { return this -> val < r.val; }
    bool operator !=(const modint& r) { return this -> val != r.val; }
};

using mint = modint<MOD>;

istream &operator >>(istream &is, mint& x) {
    int t; is >> t;
    x = t;
    return (is);
}
ostream &operator <<(ostream &os, const mint& x) {
    return os << x.val;
}

mint modpow(const mint &a, int n) {
    if (n == 0) return 1;
    mint t = modpow(a, n / 2);
    t = t * t;
    if (n & 1) t = t * a;
    return t;
}

int modpow(int x, int n, int mod) {
    int ret = 1;
    while (n > 0) {
        if (n % 2 == 1) ret = ret * x % mod;
        x = x * x % mod;
        n /= 2;
    }
    return ret;
}

int POW(int x, int y) {
    if (y < 0 or x != 0 && x != 1 && y > 64) {cout << "Error" << endl;return 0;}
    if (y == 0) return 1;
    if (y % 2 == 0) return POW(x * x, y / 2);
    return x * POW(x, y - 1);
}
int ceil(int x, int y) { return (x > 0 ? (x + y - 1) / y : x / y); }

vector<mint> fac, finv, Inv;
void COMinit(int N) {
    fac.resize(N + 1);
    finv.resize(N + 1);
    Inv.resize(N + 1);
    fac[0] = fac[1] = 1;
    finv[0] = finv[1] = 1;
    Inv[1] = 1;
    for (int i = 2; i <= N; i++) {
        fac[i] = fac[i-1] * mint(i);
        Inv[i] = -Inv[MOD % i] * mint(MOD / i);
        finv[i] = finv[i - 1] * Inv[i];
    }
}

mint COM(int N,int K){
    if (N < K) return 0;
    if (N < 0 || K < 0) return 0;
    return fac[N] * finv[K] * finv[N - K];
}

#pragma endregion

signed main() {
    int N, M;
    cin >> N >> M;
    vector<pair<int,int>> A(N);
    for (int i = 0; i < N; i++) {
        cin >> A[i].first;
        A[i].second = i;
    }
    vector<pair<int,int>> C = A;
    sort(A.begin(),A.end());

    vector<vector<int>> G(N);
    for (int i = 0; i < M; i++) {
        int u, v;
        cin >> u >> v;
        u--; v--;
        G[u].pb(v);
        G[v].pb(u);
    }

    int K;
    cin >> K;
    vector<int> B(N);
    for (int i = 0; i < K; i++) {
        int b;
        cin >> b;
        b--;
        B[b]++;
    }

    vector<int> ans;
    for (int i = 0; i < N; i++) {
        int v = A[i].second;
        if (B[v]) {
            B[v] ^= 1;
            ans.pb(v);
            for (auto nv : G[v]) {
                if (C[nv].first > C[v].first) B[nv] ^= 1;
            }
        }
    }

    for (int i = 0; i < N; i++) {
        if (B[i]) {
            cout << -1 << endl;
            return 0;
        }
    }

    cout << ans.size() << endl;
    for (auto &x : ans) {
        cout << x + 1 << endl;
    }
}
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