結果
問題 | No.1050 Zero (Maximum) |
ユーザー |
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提出日時 | 2020-05-08 21:52:23 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 30 ms / 2,000 ms |
コード長 | 2,392 bytes |
コンパイル時間 | 1,956 ms |
コンパイル使用メモリ | 176,104 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-04 00:31:39 |
合計ジャッジ時間 | 2,320 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 15 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define rep(i,m,n) for(int (i)=(int)(m);i<(int)(n);i++)#define rep2(i,m,n) for(int (i)=(int)(n)-1;i>=(int)(m);i--)#define REP(i,n) rep(i,0,n)#define REP2(i,n) rep2(i,0,n)#define FOR(i,c) for(decltype((c).begin())i=(c).begin();i!=(c).end();++i)#define all(hoge) (hoge).begin(),(hoge).end()#define en '\n'using ll = long long;using ull = unsigned long long;template <class T> using vec = vector<T>;template <class T> using vvec = vector<vec<T>>;typedef pair<ll, ll> P;constexpr long long INF = 1LL << 60;constexpr int INF_INT = 1 << 25;constexpr long long MOD = (ll) 1e9 + 7;//constexpr long long MOD = 998244353LL;typedef vector<ll> Array;typedef vector<Array> Matrix;template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}struct Edge {ll to, cap, rev;Edge(ll _to, ll _cap, ll _rev) {to = _to; cap = _cap; rev = _rev;}};using Edges = vector<Edge>;using Graph = vector<Edges>;void add_edge(Graph& G, ll from, ll to, ll cap, bool revFlag, ll revCap) {G[from].push_back(Edge(to, cap, (ll)G[to].size()));if (revFlag)G[to].push_back(Edge(from, revCap, (ll)G[from].size() - 1));}Matrix mIdentity(ll n) {Matrix A(n, Array(n));for (int i = 0; i < n; ++i) A[i][i] = 1;return A;}Matrix mMul(const Matrix& A, const Matrix& B) {Matrix C(A.size(), Array(B[0].size()));for (int i = 0; i < C.size(); ++i)for (int j = 0; j < C[i].size(); ++j)for (int k = 0; k < A[i].size(); ++k)(C[i][j] += (A[i][k] % MOD) * (B[k][j] % MOD)) %= MOD;return C;}// O( n^3 log e )Matrix mPow(const Matrix& A, ll e) {return e == 0 ? mIdentity(A.size()) :e % 2 == 0 ? mPow(mMul(A, A), e / 2) : mMul(A, mPow(A, e - 1));}void solve(){ll m,k;cin>>m>>k;Matrix a(m,Array(m,0));REP(i,m){REP(j,m){ll y=(i+j)%m;a[y][i]++;y=(i*j)%m;a[y][i]++;}}Matrix f = mPow(a,k);Matrix dp(m,Array(1,0));dp[0][0]=1;Matrix ans=mMul(f,dp);cout<<ans[0][0]<<en;}int main() {ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);solve();//ll t;cin>>t;REP(i,t) solve();return 0;}