結果

問題 No.1142 XOR と XOR
ユーザー micheeeeell1001micheeeeell1001
提出日時 2020-07-31 23:57:23
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 37 ms / 2,000 ms
コード長 6,128 bytes
コンパイル時間 2,317 ms
コンパイル使用メモリ 207,112 KB
実行使用メモリ 6,400 KB
最終ジャッジ日時 2024-11-08 03:37:32
合計ジャッジ時間 4,135 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge1
このコードへのチャレンジ
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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 5 ms
5,248 KB
testcase_01 AC 5 ms
5,248 KB
testcase_02 AC 5 ms
5,248 KB
testcase_03 AC 37 ms
6,400 KB
testcase_04 AC 28 ms
5,632 KB
testcase_05 AC 24 ms
5,248 KB
testcase_06 AC 29 ms
5,632 KB
testcase_07 AC 29 ms
6,400 KB
testcase_08 AC 35 ms
6,272 KB
testcase_09 AC 34 ms
6,400 KB
testcase_10 AC 35 ms
6,400 KB
testcase_11 AC 5 ms
5,248 KB
testcase_12 AC 5 ms
5,248 KB
testcase_13 AC 5 ms
5,248 KB
testcase_14 AC 20 ms
5,248 KB
testcase_15 AC 21 ms
5,248 KB
testcase_16 AC 6 ms
5,248 KB
testcase_17 AC 23 ms
5,632 KB
testcase_18 AC 9 ms
5,248 KB
testcase_19 AC 29 ms
5,632 KB
testcase_20 AC 20 ms
5,248 KB
testcase_21 AC 15 ms
5,248 KB
testcase_22 AC 10 ms
5,248 KB
testcase_23 AC 28 ms
5,632 KB
testcase_24 AC 30 ms
5,760 KB
testcase_25 AC 19 ms
5,248 KB
testcase_26 AC 29 ms
5,632 KB
testcase_27 AC 24 ms
5,248 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 # 

#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include<bits/stdc++.h>
using namespace std;
#define rep(i,s,t) for(ll i = (ll)(s); i < (ll)(t); i++)
#define rrep(i,s,t) for(ll i = (ll)(s-1);(ll)(t) <= i; i--)
#define all(x) (x).begin(), (x).end()
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> Pll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<vvl> vvvl;
constexpr ll INF = numeric_limits<ll>::max()/4;
constexpr ll n_max = 2e5+10;
#define int ll

template <typename A, typename B>
string to_string(pair<A, B> p);
string to_string(const string &s) {return '"' + s + '"';}
string to_string(const char *c) {return to_string((string) c);}
string to_string(bool b) {return (b ? "true" : "false");}
template <size_t N>
string to_string(bitset<N> v){
    string res = "";
    for(size_t i = 0; i < N; i++) res += static_cast<char>('0' + v[i]);
    return res;
}
template <typename A>
string to_string(A v) {
    bool first = true;
    string res = "{";
    for(const auto &x : v) {
        if(!first) res += ", ";
        first = false;
        res += to_string(x);
    }
    res += "}";
    return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p){return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";}

void debug_out() {cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << " " << to_string(H);
    debug_out(T...);
}

#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

template<class T>
bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}
template<class T>
bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}
template<std::int_fast64_t Modulus>
class modint {
    using i64 = int_fast64_t;

    public:
    i64 a;

    constexpr modint(const i64 x = 0) noexcept {
        this -> a = x % Modulus;
        if(a < 0){
            a += Modulus;
        }
    }
    constexpr int getmod() { return Modulus; }
    constexpr modint operator - () const noexcept {
        return a ? Modulus - a : 0;
    }
    constexpr const i64 &value() const noexcept {return a;}
    constexpr modint operator+(const modint rhs) const noexcept {
        return modint(*this) += rhs;
    }
    constexpr modint operator-(const modint rhs) const noexcept {
        return modint(*this) -= rhs;
    }
    constexpr modint operator*(const modint rhs) const noexcept {
        return modint(*this) *= rhs;
    }
    constexpr modint operator/(const modint rhs) const noexcept {
        return modint(*this) /= rhs;
    }
    constexpr modint &operator+=(const modint rhs) noexcept {
        a += rhs.a;
        if(a >= Modulus) {
            a -= Modulus;
        }
        return *this;
    }
    constexpr modint &operator-=(const modint rhs) noexcept {
        if(a < rhs.a) {
            a += Modulus;
        }
        a -= rhs.a;
        return *this;
    }
    constexpr modint &operator*=(const modint rhs) noexcept {
        a = a * rhs.a % Modulus;
        return *this;
    }
    constexpr modint &operator/=(modint rhs) noexcept {
        i64 a_ = rhs.a, b = Modulus, u = 1, v = 0;
        while(b){
            i64 t = a_/b;
            a_ -= t * b; swap(a_,b);
            u -= t * v; swap(u,v);
        }
        a = a * u % Modulus;
        if(a < 0) a += Modulus;
        return *this;
    }
    
    // 自前実装
    constexpr bool operator==(const modint rhs) noexcept {
        return a == rhs.a;
    }
    constexpr bool operator!=(const modint rhs) noexcept {
        return a != rhs.a;
    }
    constexpr bool operator>(const modint rhs) noexcept {
        return a > rhs.a;
    }
    constexpr bool operator>=(const modint rhs) noexcept {
        return a >= rhs.a;
    }
    constexpr bool operator<(const modint rhs) noexcept {
        return a < rhs.a;
    }
    constexpr bool operator<=(const modint rhs) noexcept {
        return a <= rhs.a;
    }
    constexpr modint& operator++() noexcept {
        return (*this) += modint(1);
    }
    // constexpr modint operator++(int) {
    //     modint tmp(*this);
    //     operator++();
    //     return tmp;
    // }
    constexpr modint& operator--() noexcept {
        return (*this) -= modint(1);
    }
    // constexpr modint operator--(int) {
    //     modint tmp(*this);
    //     operator--();
    //     return tmp;
    // }
    template<typename T>
    friend constexpr modint modpow(const modint &mt, T n) noexcept {
        if(n < 0){
            modint t = (modint(1) / mt);
            return modpow(t, -n);
        }
        modint res = 1, tmp = mt;
        while(n){
            if(n & 1)res *= tmp;
            tmp *= tmp;
            n /= 2;
        }
        return res;
    }

    friend constexpr string to_string(const modint &mt) noexcept {
        return to_string(mt.a);
    }
};

// 標準入出力対応
template<std::int_fast64_t Modulus>
std::ostream &operator<<(std::ostream &out, const modint<Modulus> &m) {
    out << m.a;
    return out;
}
template<std::int_fast64_t Modulus>
std::istream &operator>>(std::istream &in, modint<Modulus> &m) {
    ll a;
    in >> a;
    m = modint<Modulus>(a);
    return in;
}

const ll MOD = 1e9+7;
// const ll MOD = 998244353;
using mint = modint<MOD>;
signed main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    ll n,m,k; cin >> n >> m >> k;
    vector<ll> a(n);
    for(int i = 0; i < n; i++) cin >> a[i];
    vector<ll> b(m);
    for(int i = 0; i < m; i++) cin >> b[i];
    ll M = 1024;
    vector<ll> cnt(M);
    cnt[0] = 1;
    ll t = 0;
    rep(i,0,n){
        t ^= a[i];
        cnt[t]++;
    }
    vector<mint> ac(M), bc(M);
    rep(i,0,M)ac[0] += cnt[i] * (cnt[i]-1) / 2;
    rep(i,0,M)rep(j,i+1,M){
        ac[i^j] += cnt[i] * cnt[j];
    }

    t = 0;
    fill(all(cnt), 0);
    cnt[0] = 1;
    rep(i,0,m){
        t ^= b[i];
        cnt[t]++;
    }
    rep(i,0,M)bc[0] += cnt[i] * (cnt[i]-1) / 2;
    rep(i,0,M)rep(j,i+1,M){
        bc[i^j] += cnt[i] * cnt[j];
    }

    mint ans = 0;
    rep(i,0,M)ans += ac[i] * bc[i^k];
    cout << ans << "\n";
}
0