#919040 (C++17) No.1907 DETERMINATION

提出ソース

結果

問題	No.1907 DETERMINATION
ユーザー	👑 Nachia
提出日時	2023-10-07 22:58:53
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	812 ms / 4,000 ms
コード長	7,329 bytes
コンパイル時間	1,320 ms
コンパイル使用メモリ	94,564 KB
実行使用メモリ	6,396 KB
最終ジャッジ日時	2023-10-07 22:59:32
合計ジャッジ時間	37,252 ms
ジャッジサーバーID （参考情報）	judge11 / judge13

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	1 ms 4,380 KB
testcase_01	AC	2 ms 4,376 KB
testcase_02	AC	2 ms 4,380 KB
testcase_03	AC	2 ms 4,380 KB
testcase_04	AC	2 ms 4,376 KB
testcase_05	AC	2 ms 4,380 KB
testcase_06	AC	2 ms 4,380 KB
testcase_07	AC	230 ms 4,892 KB
testcase_08	AC	95 ms 4,380 KB
testcase_09	AC	160 ms 4,380 KB
testcase_10	AC	582 ms 6,160 KB
testcase_11	AC	280 ms 4,808 KB
testcase_12	AC	553 ms 6,292 KB
testcase_13	AC	521 ms 5,876 KB
testcase_14	AC	504 ms 6,240 KB
testcase_15	AC	115 ms 4,376 KB
testcase_16	AC	36 ms 4,376 KB
testcase_17	AC	553 ms 6,344 KB
testcase_18	AC	397 ms 5,036 KB
testcase_19	AC	10 ms 4,384 KB
testcase_20	AC	542 ms 6,340 KB
testcase_21	AC	51 ms 4,376 KB
testcase_22	AC	537 ms 4,644 KB
testcase_23	AC	616 ms 5,908 KB
testcase_24	AC	173 ms 4,376 KB
testcase_25	AC	2 ms 4,376 KB
testcase_26	AC	559 ms 6,160 KB
testcase_27	AC	677 ms 6,084 KB
testcase_28	AC	705 ms 6,172 KB
testcase_29	AC	671 ms 6,140 KB
testcase_30	AC	2 ms 4,376 KB
testcase_31	AC	568 ms 6,096 KB
testcase_32	AC	582 ms 6,304 KB
testcase_33	AC	555 ms 6,388 KB
testcase_34	AC	559 ms 6,156 KB
testcase_35	AC	2 ms 4,376 KB
testcase_36	AC	2 ms 4,380 KB
testcase_37	AC	2 ms 4,380 KB
testcase_38	AC	592 ms 6,088 KB
testcase_39	AC	560 ms 6,088 KB
testcase_40	AC	812 ms 6,084 KB
testcase_41	AC	555 ms 6,312 KB
testcase_42	AC	805 ms 6,292 KB
testcase_43	AC	803 ms 6,236 KB
testcase_44	AC	631 ms 6,192 KB
testcase_45	AC	677 ms 6,244 KB
testcase_46	AC	585 ms 6,224 KB
testcase_47	AC	551 ms 6,196 KB
testcase_48	AC	573 ms 6,164 KB
testcase_49	AC	590 ms 6,396 KB
testcase_50	AC	584 ms 6,096 KB
testcase_51	AC	555 ms 6,156 KB
testcase_52	AC	2 ms 4,376 KB
testcase_53	AC	671 ms 4,380 KB
testcase_54	AC	640 ms 4,380 KB
testcase_55	AC	2 ms 4,380 KB
testcase_56	AC	671 ms 4,380 KB
testcase_57	AC	640 ms 4,376 KB
testcase_58	AC	556 ms 6,388 KB
testcase_59	AC	419 ms 6,220 KB
testcase_60	AC	419 ms 6,088 KB
testcase_61	AC	501 ms 6,164 KB
testcase_62	AC	420 ms 6,160 KB
testcase_63	AC	558 ms 6,172 KB
testcase_64	AC	2 ms 4,376 KB
testcase_65	AC	2 ms 4,376 KB
testcase_66	AC	2 ms 4,376 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

raw source code

#line 1 "..\\Main.cpp"

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <atcoder/modint>
#line 2 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\linear-modulo\\matrix-modulo.hpp"

#line 4 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\linear-modulo\\matrix-modulo.hpp"
#include <cassert>
#include <utility>


namespace nachia{

template<class Elem>
struct MatrixModulo{
private:
    int h;
    int w;
    std::vector<Elem> elems;

public:
    
    MatrixModulo(int new_h=0, int new_w=0){ h = new_h; w = new_w; elems.assign(h * w, 0); }
    MatrixModulo(const MatrixModulo &) = default;
    int numRow() const { return h; }
    int numColumn() const { return w; }
    int height() const { return numRow(); }
    int width() const { return numColumn(); }
    typename std::vector<Elem>::iterator operator[](int y){ return elems.begin() + (y * w); }
    typename std::vector<Elem>::const_iterator operator[](int y) const { return elems.begin() + (y * w); }
    static MatrixModulo Identity(int idx){ auto res = MatrixModulo(idx, idx); for(int i = 0; i < idx; i++) res[i][i] = 1; return res; }
    void swapColumns(int x1, int x2){
        assert(0 <= x1 && x1 < numColumn());
        assert(0 <= x2 && x2 < numColumn());
        for(int y=0; y<numRow(); y++) std::swap((*this)[y][x1], (*this)[y][x2]);
    }
    void swapRows(int y1, int y2){
        assert(0 <= y1 && y1 < numRow());
        assert(0 <= y2 && y2 < numRow());
        for(int x=0; x<numColumn(); x++) std::swap((*this)[y1][x], (*this)[y2][x]);
    }
    MatrixModulo operator*(const MatrixModulo& r) const {
        assert(width() == r.height());
        auto res = MatrixModulo(h, r.w);
        for (int i=0; i<h; i++) for (int j=0; j<w; j++) for (int k=0; k<r.w; k++) res[i][k] += (*this)[i][j] * r[j][k];
        return res;
    }
    Elem det() const {
        assert(height() == width());
        MatrixModulo g = *this;
        Elem ans = 1;
        for (int i=0; i<h; i++) {
            int tg = -1;
            for (int j=i; j<h; j++) { if (g[j][i].val() != 0) tg = j; }
            if (tg == -1) return 0;
            if (tg != i) ans = -ans;
            for (int j=0; j<h; j++) std::swap(g[i][j], g[tg][j]);
            tg = i;
            ans *= g[i][i];
            Elem const_coeff = g[i][i].inv();
            for (int j=0; j<h; j++) g[i][j] *= const_coeff;
            for (int j=i+1; j<h; j++) for(int k=h-1; k>=i; k--) g[j][k] -= g[j][i] * g[i][k];
        }
        return ans;
    }
    int rank() const {
        MatrixModulo g = *this;
        int y = 0;
        for (int d=0; d<w; d++) {
            if(y == h) break;
            int tg = -1;
            for (int i=y; i<h; i++) { if (g[i][d].val() != 0){ tg = i; break; } }
            if (tg == -1) continue;
            for (int j=d; j<w; j++) std::swap(g[y][j], g[tg][j]);
            tg = y;
            Elem const_coeff = g[y][d].inv();
            for (int j=d; j<w; j++) g[y][j] *= const_coeff;
            for (int i=y+1; i<h; i++) for(int j=w-1; j>=d; j--) g[i][j] -= g[i][d] * g[y][j];
            y++;
        }
        return y;
    }
    MatrixModulo pow(unsigned long long i){
        auto a = *this;
        auto res = Identity(height());
        while(i){
            if(i % 2 == 1) res = res * a;
            a = a * a;
            i /= 2;
        }
        return res;
    }
};


} // namespace nachia
#line 4 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\linear-modulo\\characteristic-polynomial.hpp"

namespace nachia{

template<class Elem>
std::vector<Elem> CharacteristicPolynomial(MatrixModulo<Elem> mat){
    assert(mat.numRow() == mat.numColumn());
    int n = mat.numRow();
    if(n == 0){ return {1}; }
    std::vector<Elem> T(n);
    for(int y=1; y<n; y++){
        int y1=y; while(y1<n && mat[y1][y-1].val() == 0) y1++;
        if(y1 == n) continue;
        if(y != y1){ mat.swapRows(y, y1); mat.swapColumns(y, y1); }
        T[y] = mat[y][y-1].inv();
        for(int y2=y+1; y2<n; y2++) T[y2] = T[y] * mat[y2][y-1];
        for(int y2=y+1; y2<n; y2++) for(int x=y-1; x<n; x++) mat[y2][x] -= mat[y][x] * T[y2];
        for(int y2=0; y2<n; y2++) for(int x=y+1; x<n; x++) mat[y2][y] += mat[y2][x] * T[x];
    }
    for(int y=0; y<n; y++){ Elem tmp = 1; for(int x=y+1; x<n; x++) mat[y][x] *= (tmp *= -mat[x][x-1]); }
    MatrixModulo<Elem> dp(n+1, n+1);
    dp[0][0] = 1;
    for(int y=0; y<n; y++){
        for(int x=0; x<=y; x++) dp[y+1][x+1] -= dp[y][x];
        for(int x=0; x<=y; x++) dp[y+1][x] += dp[y][x] * mat[y][y];
        for(int y2=0; y2<y; y2++) for(int x=0; x<=y2; x++) dp[y+1][x] += dp[y2][x] * mat[y2][y];
    }
    std::vector<Elem> res(n+1);
    for(int i=0; i<=n; i++) res[i] = ((n%2 == 1) ? -dp[n][i] : dp[n][i]);
    return res;
}

} // namespace nachia
#line 8 "..\\Main.cpp"
using Modint = atcoder::static_modint<998244353>;
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
#define rep(i,n) for(int i=0; i<(int)(n); i++)
const i64 INF = 1001001001001001001;

struct ModintX{
    Modint x;
    Modint c;
    ModintX& operator+=(ModintX a){ x += a.x; c += a.c; return *this; }
    ModintX& operator-=(ModintX a){ x -= a.x; c -= a.c; return *this; }
    ModintX& operator*=(Modint a){ x *= a; c *= a; return *this; }
    ModintX operator*(Modint a) const { return { x*a, c*a }; }
    void sh(){ x = c; c = 0; }
};

void testcase(){
    int n; cin >> n;
    vector<vector<ModintX>> Mt(n, vector<ModintX>(n));
    rep(i,n) rep(j,n){
        int x; cin >> x;
        Mt[i][j].c = x;
    }
    rep(i,n) rep(j,n){
        int x; cin >> x;
        Mt[i][j].x = x;
    }
    int shifted = 0;
    Modint times = 1;
    rep(y,n){
        if(shifted == n+1){
            rep(i,n+1) cout << "0\n";
            return;
        }
        int p = y;
        while(p < n && Mt[p][y].x.val() == 0) p++;
        if(p == n){
            shifted++;
            rep(q,n) Mt[q][y].sh();
            p = y;
            vector<Modint> t(y);
            rep(y2,y) t[y2] = -Mt[y2][y].x;
            rep(y2,n) rep(x,y) Mt[y2][y] += Mt[y2][x] * t[x];
            y--; continue;
        }
        swap(Mt[p], Mt[y]); if(p != y) times = -times;
        {
            Modint t = Mt[y][y].x;
            times *= t; t = t.inv();
            rep(i,n) Mt[y][i] *= t;
        }
        for(int y2=y+1; y2<n; y2++){
            Modint t = -Mt[y2][y].x;
            rep(x,n) Mt[y2][x] += Mt[y][x] * t;
        }
        {
            vector<Modint> t(n);
            for(int x=y+1; x<n; x++) t[x] = -Mt[y][x].x;
            rep(y2,n) for(int x=y+1; x<n; x++) Mt[y2][x] += Mt[y2][y] * t[x];
        }
        rep(i,n) rep(j,n){
            if(i > y && j > y) continue;
            if(i == j) assert(Mt[i][j].x.val() == 1);
            else assert(Mt[i][j].x.val() == 0);
        }
    }
    rep(i,n) rep(j,n){
        if(i == j) assert(Mt[i][j].x.val() == 1);
        else assert(Mt[i][j].x.val() == 0);
    }
    using Matrix = nachia::MatrixModulo<Modint>;
    auto matc = Matrix(n,n);
    rep(i,n) rep(j,n) matc[i][j] = -Mt[i][j].c;
    auto poly = nachia::CharacteristicPolynomial(matc);
    rep(i,n+1) poly[i] *= times;
    poly.resize(n*2+2);
    rep(i,n+1) cout << poly[i+shifted].val() << '\n';
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    testcase();
    return 0;
}

yukicoder

結果

テストケース

ソースコード