結果
問題 | No.541 3 x N グリッド上のサイクルの個数 |
ユーザー | paruki |
提出日時 | 2017-07-03 15:48:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 5,008 bytes |
コンパイル時間 | 1,580 ms |
コンパイル使用メモリ | 176,804 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-05 12:22:44 |
合計ジャッジ時間 | 2,851 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 1 ms
6,820 KB |
testcase_07 | AC | 1 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | AC | 2 ms
6,820 KB |
testcase_12 | AC | 2 ms
6,816 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 1 ms
6,820 KB |
testcase_15 | AC | 1 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,816 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 1 ms
6,820 KB |
testcase_20 | AC | 1 ms
6,816 KB |
testcase_21 | AC | 2 ms
6,816 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,820 KB |
testcase_24 | AC | 1 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 1 ms
6,820 KB |
testcase_27 | AC | 2 ms
6,816 KB |
testcase_28 | AC | 2 ms
6,820 KB |
testcase_29 | AC | 1 ms
6,816 KB |
testcase_30 | AC | 2 ms
6,820 KB |
testcase_31 | AC | 1 ms
6,816 KB |
testcase_32 | AC | 1 ms
6,820 KB |
testcase_33 | AC | 2 ms
6,820 KB |
testcase_34 | AC | 1 ms
6,820 KB |
testcase_35 | AC | 1 ms
6,820 KB |
testcase_36 | AC | 1 ms
6,816 KB |
testcase_37 | AC | 1 ms
6,816 KB |
testcase_38 | AC | 2 ms
6,816 KB |
testcase_39 | AC | 1 ms
6,820 KB |
testcase_40 | AC | 2 ms
6,816 KB |
testcase_41 | AC | 2 ms
6,816 KB |
testcase_42 | AC | 2 ms
6,820 KB |
testcase_43 | AC | 2 ms
6,816 KB |
testcase_44 | AC | 2 ms
6,816 KB |
testcase_45 | AC | 1 ms
6,820 KB |
testcase_46 | AC | 2 ms
6,816 KB |
testcase_47 | AC | 1 ms
6,816 KB |
testcase_48 | AC | 2 ms
6,820 KB |
testcase_49 | AC | 2 ms
6,816 KB |
testcase_50 | AC | 2 ms
6,816 KB |
testcase_51 | AC | 2 ms
6,816 KB |
testcase_52 | AC | 2 ms
6,816 KB |
testcase_53 | AC | 2 ms
6,816 KB |
testcase_54 | AC | 2 ms
6,816 KB |
testcase_55 | AC | 2 ms
6,816 KB |
testcase_56 | AC | 1 ms
6,820 KB |
testcase_57 | AC | 2 ms
6,816 KB |
testcase_58 | AC | 2 ms
6,820 KB |
testcase_59 | AC | 2 ms
6,816 KB |
testcase_60 | AC | 2 ms
6,820 KB |
testcase_61 | AC | 2 ms
6,816 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define MT make_tuple #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)<<endl #define smax(x,y) (x)=max((x),(y)) #define smin(x,y) (x)=min((x),(y)) #define MEM(x,y) memset((x),(y),sizeof (x)) #define sz(x) (int)(x).size() #define rt return using dbl = double; using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vll = vector<ll>; template<int MOD> class ModInt { public: ModInt() :value(0) {} ModInt(long long val) :value((int)(val<0 ? MOD + val%MOD : val%MOD)) { } ModInt& operator+=(ModInt that) { value = value + that.value; if (value >= MOD)value -= MOD; return *this; } ModInt& operator-=(ModInt that) { value -= that.value; if (value<0)value += MOD; return *this; } ModInt& operator*=(ModInt that) { value = (int)((long long)value * that.value % MOD); return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt pow(long long k) const { if (value == 0)return 0; ModInt n = *this, res = 1; while (k) { if (k & 1)res *= n; n *= n; k >>= 1; } return res; } ModInt inverse() const { long long a = value, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } int toi() const { return value; } private: int value; }; typedef ModInt<1000000007> mint; ostream& operator<<(ostream& os, const mint& x) { os << x.toi(); return os; } template<class Val> class Matrix { public: int n, m; Matrix() { } Matrix(int n_, int m_) :n(n_), m(m_), A(n, vector<Val>(m)) { } #define ITER(a,b) for(int i=0;i<a;++i)for(int j=0;j<b;++j) Matrix operator +(Matrix &B) { assert(n == B.n && m == B.m); Matrix C(n, m); ITER(n, m) C(i, j) = A[i][j] + B(i, j); return C; } Matrix operator -(Matrix &B) { assert(n == B.n && m == B.m); Matrix C(n, m); ITER(n, m) C(i, j) = A[i][j] - B(i, j); return C; } Matrix* operator +=(Matrix &B) { assert(n == B.n && m == B.m); ITER(n, m) A[i][j] += B(i, j); return this; } Matrix* operator -=(Matrix &B) { assert(n == B.n && m == B.m); ITER(n, m) A[i][j] -= B(i, j); return this; } Matrix operator *(Matrix &B) { assert(m == B.n); Matrix C(n, B.m); ITER(C.n, B.m) for (int k = 0; k < m; ++k) C(i, j) += A[i][k] * B(k, j); return C; } Matrix* operator *=(Matrix &B) { return &(*this = *this*B); } Matrix* operator ^=(long long k) { return &(*this = *this^k); } #undef ITER Matrix operator ^(long long k) { assert(n == m); Matrix C(n, n), D = *this; for (int i = 0; i < n; ++i)C(i, i) = 1; while (k > 0) { if (k & 1) C *= D; D *= D; k >>= 1; } return C; } Val& operator()(int i, int j) { return A[i][j]; } vector<Val>& operator[](int i) { return A[i]; } vector<Val> mulVec(const vector<Val> & u) { assert((int)u.size() == m); Matrix v(m, 1); for (int i = 0; i < m; ++i)v[i][0] = u[i]; v = (*this)*v; vector<Val> w(n); for (int i = 0; i < n; ++i)w[i] = v[i][0]; return w; } private: vector<vector<Val>> A; }; typedef Matrix<mint> mat; /* 多分行列の累乗みたいな 10 x 10 (0,0,0,0,0,0,0,0,0,1) 条件が複雑なので有効グラフ書く */ // 完,(1,2),(1,3),(1,4),(2,3),(2,4),(3,4),{(1,2),(3,4)},{(1,4),(2,3)},1 int a[10][10] = { {1,1,1,1,1,1,1,0,1,0},//完 {0,1,1,1,0,0,0,0,1,1},//(1,2) {0,1,1,1,1,1,0,0,0,1},//(1,3) {0,1,1,1,1,1,1,1,0,1},//(1,4) {0,0,1,1,1,1,0,0,0,1},//(2,3) {0,0,1,1,1,1,1,0,0,1},//(2,4) {0,0,0,1,0,1,1,0,1,1},//(3,4) {0,1,0,0,0,0,1,1,0,1},//(1,2),(3,4) {0,0,0,1,0,0,0,0,1,0},//(1,4),(2,3) {0,0,0,0,0,0,0,0,0,1},//1 }; int main(){ ios::sync_with_stdio(false); cin.tie(0); ll N; cin >> N; mat A(10, 10); rep(i, 10)rep(j, 10)A[i][j] = a[i][j]; vector<mint> v(10); v.back() = 1; A ^= (N + 1); v=A.mulVec(v); cout << v[0] << endl; }