結果

問題 No.206 数の積集合を求めるクエリ
ユーザー drken1215drken1215
提出日時 2018-06-25 23:18:58
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 690 ms / 7,000 ms
コード長 2,754 bytes
コンパイル時間 563 ms
コンパイル使用メモリ 72,816 KB
実行使用メモリ 65,276 KB
最終ジャッジ日時 2023-09-13 13:58:01
合計ジャッジ時間 20,199 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
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 515 ms
65,092 KB
testcase_01 AC 507 ms
64,988 KB
testcase_02 AC 520 ms
65,016 KB
testcase_03 AC 534 ms
64,988 KB
testcase_04 AC 533 ms
65,272 KB
testcase_05 AC 525 ms
64,928 KB
testcase_06 AC 531 ms
65,092 KB
testcase_07 AC 533 ms
64,932 KB
testcase_08 AC 527 ms
65,044 KB
testcase_09 AC 526 ms
65,080 KB
testcase_10 AC 513 ms
65,212 KB
testcase_11 AC 535 ms
65,044 KB
testcase_12 AC 509 ms
65,016 KB
testcase_13 AC 535 ms
65,012 KB
testcase_14 AC 516 ms
65,044 KB
testcase_15 AC 545 ms
64,928 KB
testcase_16 AC 525 ms
65,208 KB
testcase_17 AC 571 ms
65,016 KB
testcase_18 AC 556 ms
65,132 KB
testcase_19 AC 593 ms
64,940 KB
testcase_20 AC 558 ms
64,960 KB
testcase_21 AC 543 ms
65,148 KB
testcase_22 AC 548 ms
65,208 KB
testcase_23 AC 579 ms
65,076 KB
testcase_24 AC 683 ms
64,992 KB
testcase_25 AC 690 ms
64,988 KB
testcase_26 AC 685 ms
65,276 KB
testcase_27 AC 623 ms
65,008 KB
testcase_28 AC 661 ms
65,020 KB
testcase_29 AC 668 ms
65,036 KB
testcase_30 AC 678 ms
65,216 KB
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ソースコード

diff #

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;

template<class T> struct complex {
    T real, imag;
    inline complex& operator=(const complex<T> &c) {real = c.real; imag = c.imag; return *this;}
    friend inline ostream& operator<<(ostream &s, const complex<T> &c) {return s<<'<'<<c.real<<','<<c.imag<<'>';}
};
template<class T> complex<T> make_comp(T a, T b) {
    complex<T> res = {a, b}; return res;
}
template<class T> complex<T> operator + (const complex<T> &x, const complex<T> &y) {
    complex<T> res = {x.real + y.real, x.imag + y.imag}; return res;
}
template<class T> complex<T> operator - (const complex<T> &x, const complex<T> &y) {
    complex<T> res = {x.real - y.real, x.imag - y.imag}; return res;
}
template<class T> complex<T> operator * (const complex<T> &x, const complex<T> &y) {
    complex<T> res = {x.real * y.real - x.imag * y.imag, x.real * y.imag + x.imag * y.real}; return res;
}
template<class T1, class T2> complex<T1> operator * (const complex<T1> &x, T2 a) {
    complex<T1> res = {x.real * a, x.imag * a}; return res;
}
template<class T1, class T2> complex<T1> operator / (const complex<T1> &x, T2 a) {
    complex<T1> res = {x.real / a, x.imag / a}; return res;
}


const int MAX = 1<<20;
long long A[MAX], B[MAX], C[MAX];
complex<double> AT[MAX], BT[MAX], CT[MAX];

void FFT(complex<double> F[], bool inv) {
    int N = MAX;
    for (int t = N; t >= 2; t >>= 1) {
        double ang = acos(-1.0)*2/t;
        for (int i = 0; i < t/2; i++) {
            complex<double> w = {cos(ang*i), sin(ang*i)};
            if (inv) w.imag = -w.imag;
            for (int j = i; j < N; j += t) {
                complex<double> f1 = F[j] + F[j+t/2];
                complex<double> f2 = (F[j] - F[j+t/2]) * w;
                F[j] = f1;
                F[j+t/2] = f2;
            }
        }
    }
    for (int i = 1, j = 0; i < N; i++) {
        for (int k = N >> 1; k > (j ^= k); k >>= 1);
        if (i < j) swap(F[i], F[j]);
    }
}

void mult() {
    for (int i = 0; i < MAX; ++i) AT[i] = make_comp((double)A[i], 0.0);
    for (int i = 0; i < MAX; ++i) BT[i] = make_comp((double)B[i], 0.0);
    
    FFT(AT, false);
    FFT(BT, false);
    
    for (int i = 0; i < MAX; ++i) CT[i] = AT[i] * BT[i];
    
    FFT(CT, true);
    
    for (int i = 0; i < MAX; ++i) {
        CT[i] = CT[i] / MAX;
        C[i] = (long long)(CT[i].real + 0.5);
    }
}




int main() {
    int L, M, N, Q;
    cin >> L >> M >> N;
    for (int i = 0; i < L; ++i) {
        int a; cin >> a; A[a-1] = 1;
    }
    for (int i = 0; i < M; ++i) {
        int b; cin >> b; B[N-b] = 1;
    }
    mult();
    
    cin >> Q;
    for (int i = 0; i < Q; ++i) {
        cout << C[N-1+i] << endl;
    }
}

























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