結果
問題 | No.1340 おーじ君をさがせ |
ユーザー | stoq |
提出日時 | 2021-01-17 16:39:25 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 179 ms / 2,000 ms |
コード長 | 3,340 bytes |
コンパイル時間 | 2,428 ms |
コンパイル使用メモリ | 210,972 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-05-07 05:52:59 |
合計ジャッジ時間 | 6,020 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 24 ms
5,376 KB |
testcase_12 | AC | 6 ms
5,376 KB |
testcase_13 | AC | 18 ms
5,376 KB |
testcase_14 | AC | 48 ms
5,376 KB |
testcase_15 | AC | 41 ms
5,376 KB |
testcase_16 | AC | 5 ms
5,376 KB |
testcase_17 | AC | 15 ms
5,376 KB |
testcase_18 | AC | 26 ms
5,376 KB |
testcase_19 | AC | 3 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 36 ms
5,376 KB |
testcase_22 | AC | 94 ms
5,376 KB |
testcase_23 | AC | 36 ms
5,376 KB |
testcase_24 | AC | 179 ms
5,376 KB |
testcase_25 | AC | 6 ms
5,376 KB |
testcase_26 | AC | 4 ms
5,376 KB |
testcase_27 | AC | 3 ms
5,376 KB |
testcase_28 | AC | 7 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 38 ms
5,376 KB |
testcase_31 | AC | 179 ms
5,376 KB |
testcase_32 | AC | 118 ms
5,376 KB |
testcase_33 | AC | 118 ms
5,376 KB |
testcase_34 | AC | 118 ms
5,376 KB |
testcase_35 | AC | 139 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 3 ms
5,376 KB |
testcase_38 | AC | 122 ms
5,376 KB |
testcase_39 | AC | 35 ms
5,376 KB |
testcase_40 | AC | 37 ms
5,376 KB |
testcase_41 | AC | 36 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 2 ms
5,376 KB |
testcase_46 | AC | 28 ms
5,376 KB |
testcase_47 | AC | 32 ms
5,376 KB |
testcase_48 | AC | 35 ms
5,376 KB |
testcase_49 | AC | 30 ms
5,376 KB |
testcase_50 | AC | 31 ms
5,376 KB |
testcase_51 | AC | 31 ms
5,376 KB |
testcase_52 | AC | 56 ms
5,376 KB |
testcase_53 | AC | 55 ms
5,376 KB |
testcase_54 | AC | 60 ms
5,376 KB |
testcase_55 | AC | 49 ms
5,376 KB |
testcase_56 | AC | 1 ms
5,376 KB |
testcase_57 | AC | 2 ms
5,376 KB |
testcase_58 | AC | 2 ms
5,376 KB |
testcase_59 | AC | 19 ms
5,376 KB |
testcase_60 | AC | 2 ms
5,376 KB |
testcase_61 | AC | 19 ms
5,376 KB |
ソースコード
#define MOD_TYPE 2 #pragma region Macros #include <bits/stdc++.h> using namespace std; #if 0 #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using Int = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; #endif #if 1 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename Q_type> using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr double PI = acos(-1.0); constexpr double EPS = 1e-7; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; struct io_init { io_init() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); }; } io_init; template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } template <typename T, typename U> constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept { is >> p.first >> p.second; return is; } template <typename T, typename U> constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept { os << p.first << " " << p.second; return os; } #pragma endregion using Matrix = vector<vector<int>>; Matrix Matprod(Matrix &A, Matrix &B) { int l = A.size(); int m = A[0].size(); int n = B[0].size(); assert(m == B.size()); Matrix res(l, vector<int>(n, 0)); rep(i, l) rep(j, n) { rep(k, m) { res[i][j] |= A[i][k] && B[k][j]; } } return res; } Matrix Matpow(Matrix &A, ll n) { Matrix res = A, P = A; rep(i, A.size()) rep(j, A.size()) res[i][j] = i == j; while (n) { if (n & 1) { res = Matprod(res, P); } P = Matprod(P, P); n >>= 1; } return res; } void solve() { int n, m; ll t; cin >> n >> m >> t; Matrix A(n, vector<int>(n, 0)); rep(i, m) { int a, b; cin >> a >> b; A[b][a] = 1; } A = Matpow(A, t); Matrix ans(n, vector<int>(1, 0)); ans[0][0] = 1; ans = Matprod(A, ans); int cnt = 0; rep(i, n) cnt += ans[i][0]; cout << cnt << "\n"; } int main() { solve(); }