結果
問題 | No.621 3 x N グリッド上のドミノの置き方の数 |
ユーザー | ふっぴー |
提出日時 | 2017-12-21 01:03:50 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,225 bytes |
コンパイル時間 | 2,169 ms |
コンパイル使用メモリ | 176,048 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-12-16 07:31:11 |
合計ジャッジ時間 | 3,635 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 |
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testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | WA | - |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
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testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
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testcase_27 | WA | - |
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testcase_35 | WA | - |
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testcase_50 | WA | - |
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testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
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testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
ソースコード
#include "bits/stdc++.h" using namespace std; #define DEBUG(x) cout<<#x<<": "<<x<<endl; #define DEBUG_VEC(v) cout<<#v<<":";for(int i=0;i<v.size();i++) cout<<" "<<v[i]; cout<<endl typedef long long ll; #define vi vector<int> #define vl vector<ll> #define vii vector< vector<int> > #define vll vector< vector<ll> > #define vs vector<string> #define pii pair<int,int> #define pis pair<int,string> #define psi pair<string,int> #define pll pair<ll,ll> const int inf = 1000000001; const ll INF = 2e18 * 2; #define MOD 1000000007 #define mod 1000000009 #define pi 3.14159265358979323846 #define Sp(p) cout<<setprecision(15)<< fixed<<p<<endl; int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 }; int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; struct Modint { ll n; static const ll Mod = 1000000007; Modint(int n = 0) : n(n) {} }; Modint operator+(Modint a, Modint b) { return Modint((a.n += b.n) >= mod ? a.n - a.Mod : a.n); } Modint operator-(Modint a, Modint b) { return Modint((a.n -= b.n) < 0 ? a.n + a.Mod : a.n); } Modint operator*(Modint a, Modint b) { return Modint(1LL * a.n * b.n % a.Mod); } Modint &operator+=(Modint &a, Modint b) { return a = a + b; } Modint &operator-=(Modint &a, Modint b) { return a = a - b; } Modint &operator*=(Modint &a, Modint b) { return a = a * b; } typedef vector<Modint> vec; typedef vector<vec> mat; mat mul(mat &A, mat &B) { mat C(A.size(), vec(B[0].size())); for (int i = 0; i < A.size(); i++) { for (int k = 0; k < B.size(); k++) { for (int j = 0; j < B[0].size(); j++) { C[i][j] = C[i][j] + A[i][k] * B[k][j]; } } } return C; } mat pow(mat A, ll n) { mat B(A.size(), vec(A.size())); for (int i = 0; i < A.size(); i++) { B[i][i] = 1; } while (n > 0) { if (n & 1)B = mul(B, A); A = mul(A, A); n >>= 1; } return B; } int main() { ll n, i, j; cin >> n; mat A = { {0,1,1,2,0,1,1,1,2}, {1,0,1,0,1,0,0,0,0}, {1,1,0,0,1,0,0,0,0}, {0,0,0,0,1,0,0,0,0}, {0,0,0,1,0,0,0,0,0}, {1,1,1,1,1,0,0,0,0}, {0,1,0,0,0,0,0,0,0}, {0,0,1,0,0,0,0,0,0}, {0,0,0,1,0,0,0,0,0}, }; mat b = { {0}, {1}, {1}, {0}, {0}, {1}, {0}, {0}, {0} }; mat A2 = pow(A, n); mat ans = mul(A2, b); cout << ans[5][0].n << endl; }