結果
問題 | No.1340 おーじ君をさがせ |
ユーザー | T101010101 |
提出日時 | 2023-03-08 11:47:40 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,791 bytes |
コンパイル時間 | 3,010 ms |
コンパイル使用メモリ | 269,748 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-18 02:29:47 |
合計ジャッジ時間 | 27,496 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 4 ms
5,376 KB |
testcase_11 | AC | 319 ms
5,376 KB |
testcase_12 | AC | 50 ms
5,376 KB |
testcase_13 | AC | 238 ms
5,376 KB |
testcase_14 | AC | 678 ms
6,940 KB |
testcase_15 | AC | 560 ms
6,940 KB |
testcase_16 | AC | 38 ms
6,944 KB |
testcase_17 | AC | 182 ms
6,944 KB |
testcase_18 | AC | 325 ms
6,940 KB |
testcase_19 | AC | 16 ms
6,940 KB |
testcase_20 | AC | 5 ms
6,940 KB |
testcase_21 | AC | 327 ms
6,940 KB |
testcase_22 | AC | 895 ms
6,940 KB |
testcase_23 | AC | 329 ms
6,944 KB |
testcase_24 | AC | 1,739 ms
6,944 KB |
testcase_25 | AC | 31 ms
6,944 KB |
testcase_26 | AC | 19 ms
6,944 KB |
testcase_27 | AC | 14 ms
6,944 KB |
testcase_28 | AC | 47 ms
6,944 KB |
testcase_29 | AC | 4 ms
6,944 KB |
testcase_30 | AC | 358 ms
6,944 KB |
testcase_31 | AC | 1,739 ms
6,940 KB |
testcase_32 | AC | 1,615 ms
6,944 KB |
testcase_33 | AC | 1,599 ms
6,944 KB |
testcase_34 | AC | 1,441 ms
6,940 KB |
testcase_35 | AC | 1,749 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 3 ms
6,944 KB |
testcase_38 | AC | 1,728 ms
6,944 KB |
testcase_39 | AC | 436 ms
6,940 KB |
testcase_40 | AC | 456 ms
6,944 KB |
testcase_41 | AC | 456 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 2 ms
6,944 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 333 ms
6,944 KB |
testcase_47 | AC | 354 ms
6,940 KB |
testcase_48 | AC | 394 ms
6,944 KB |
testcase_49 | AC | 393 ms
6,944 KB |
testcase_50 | AC | 393 ms
6,940 KB |
testcase_51 | AC | 393 ms
6,944 KB |
testcase_52 | AC | 763 ms
6,944 KB |
testcase_53 | AC | 742 ms
6,944 KB |
testcase_54 | AC | 760 ms
6,940 KB |
testcase_55 | AC | 578 ms
6,944 KB |
testcase_56 | AC | 2 ms
6,940 KB |
testcase_57 | AC | 2 ms
6,940 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 228 ms
6,940 KB |
testcase_60 | AC | 2 ms
6,940 KB |
testcase_61 | WA | - |
ソースコード
#pragma region Macros // #pragma GCC target("avx,avx2,fma") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") // #pragma GCC target("avx,avx2,fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native") #include <bits/extc++.h> // #include <bits/stdc++.h> using namespace std; using namespace __gnu_pbds; // using namespace __gnu_cxx; // #include <atcoder/fenwicktree> // #include <atcoder/segtree> // #include <atcoder/maxflow> // #include <atcoder/all> // using namespace atcoder; // #include <boost/multiprecision/cpp_int.hpp> // namespace mp = boost::multiprecision; // using Bint = mp::cpp_int; #define TO_STRING(var) # var #define pb emplace_back #define int ll #define endl '\n' using ll = long long; using ld = long double; const ld PI = acos(-1); const ld EPS = 1e-10; const ll INFL = 1LL << 61; const int MOD2 = 998244353; const int MOD = 1000000007; __attribute__((constructor)) void constructor() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); } class UnionFind { public: UnionFind() = default; UnionFind(int n) : par(n), sz(n, 1) { iota(par.begin(), par.end(), 0); } int root(int x) { if (par[x] == x) return x; return (par[x] = root(par[x])); } bool unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry) return false; if (sz[rx] < sz[ry]) swap(rx, ry); // union by size sz[rx] += sz[ry]; par[ry] = rx; return true; } bool issame(int x, int y) { return (root(x) == root(y)); } int size(int x) { return sz[root(x)]; } vector<vector<int>> groups(int n) { vector<vector<int>> G(n); for (int x = 0; x < n; x++) { G[root(x)].push_back(x); } G.erase( remove_if(G.begin(), G.end(), [&](const vector<int>& v) { return v.empty(); }), G.end()); return G; } private: vector<int> par; vector<int> sz; }; template<int mod> class modint{ public: int val = 0; modint(int x = 0) { while (x < 0) x += mod; val = x % mod; } modint(const modint &r) { val = r.val; } // コピーコンストラクタ modint operator -(){ return modint(-val); } // 単項 modint operator +(const modint &r) { return modint(*this) += r; } modint operator -(const modint &r) { return modint(*this) -= r; } modint operator *(const modint &r) { return modint(*this) *= r; } modint operator /(const modint &r) { return modint(*this) /= r; } modint &operator +=(const modint &r) { val += r.val; if (val >= mod) val -= mod; return *this; } modint &operator -=(const modint &r) { if (val < r.val) val += mod; val -= r.val; return *this; } modint &operator *=(const modint &r) { val = val * r.val % mod; return *this; } modint &operator /=(const modint &r) { int a = r.val, b = mod, u = 1, v = 0; while (b) { int t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } val = val * u % mod; if (val < 0) val += mod; return *this; } bool operator ==(const modint& r) { return this -> val == r.val; } bool operator <(const modint& r) { return this -> val < r.val; } bool operator !=(const modint& r) { return this -> val != r.val; } }; using mint = modint<MOD>; istream &operator >>(istream &is, mint& x) { int t; is >> t; x = t; return (is); } ostream &operator <<(ostream &os, const mint& x) { return os << x.val; } mint modpow(const mint &a, int n) { if (n == 0) return 1; mint t = modpow(a, n / 2); t = t * t; if (n & 1) t = t * a; return t; } int modpow(int x, int N, int mod) { int ret = 1; while (N > 0) { if (N % 2 == 1) ret = ret * x % mod; x = x * x % mod; N /= 2; } return ret; } int ceil(int x, int y) { return (x > 0 ? (x + y - 1) / y : x / y); } #pragma endregion typedef vector<vector<int>> Matrix; // n行k列のAとk行m列のBを渡すとn行m列のCが返る。O(N^3) Matrix Mul(const Matrix &A, const Matrix &B, int MOD) { assert(A[0].size() == B.size()); Matrix C(A.size(), vector<int> (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] += A[i][k] * B[k][j]; C[i][j] %= MOD; } } } return C; } // N次正方行列AのK乗を求める。O(N^3 log K) Matrix Pow(Matrix A, int K, int MOD) { assert(A.size() == A[0].size()); Matrix B(A.size(), vector<int> (A.size())); for (int i = 0; i < A.size(); i++) { B[i][i] = 1; } while (K > 0) { if (K & 1) B = Mul(B, A, MOD); A = Mul(A, A, MOD); K >>= 1; } return B; } void PrintMatrix(const Matrix &A) { int h = A.size(), w = A[0].size(); for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cout << A[i][j] << ' '; } cout << endl; } } signed main() { int N, M, T; cin >> N >> M >> T; vector<vector<int>> A(N, vector<int>(N)); for (int i = 0; i < M; i++) { int u, v; cin >> u >> v; // u--; v--; A[u][v] = 1; } Matrix P = Pow(A, T, MOD); int ans1 = 0; for (int i = 0; i < N; i++) { ans1 += (P[0][i] > 0); } Matrix P2 = Pow(A, T, MOD2); int ans2 = 0; for (int i = 0; i < N; i++) { ans2 += (P2[0][i] > 0); } // Matrix P3 = Pow(A, T, 67280421310721LL); // int ans3 = 0; // for (int i = 0; i < N; i++) { // ans3 += (P3[0][i] > 0); // } cout << max(ans1, ans2) << endl; }