結果
問題 | No.1255 ハイレーツ・オブ・ボリビアン |
ユーザー | stoq |
提出日時 | 2020-10-10 01:06:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,216 ms / 2,000 ms |
コード長 | 3,674 bytes |
コンパイル時間 | 2,170 ms |
コンパイル使用メモリ | 211,164 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-23 08:47:24 |
合計ジャッジ時間 | 5,454 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 4 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 4 ms
6,944 KB |
testcase_05 | AC | 61 ms
6,940 KB |
testcase_06 | AC | 68 ms
6,940 KB |
testcase_07 | AC | 75 ms
6,944 KB |
testcase_08 | AC | 203 ms
6,944 KB |
testcase_09 | AC | 230 ms
6,944 KB |
testcase_10 | AC | 184 ms
6,940 KB |
testcase_11 | AC | 223 ms
6,944 KB |
testcase_12 | AC | 224 ms
6,940 KB |
testcase_13 | AC | 14 ms
6,944 KB |
testcase_14 | AC | 1,216 ms
6,944 KB |
testcase_15 | AC | 186 ms
6,940 KB |
ソースコード
#define MOD_TYPE 1 #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 ll MOD = 1; constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr double PI = acos(-1.0); constexpr double EPS = 1e-9; 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 Yay(n) cout << ((n) ? "Yay!" : ":(") << "\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 ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } // gcd(a, mod) = 1 ll modinv(ll a, ll mod) { ll b = mod, u = 1, v = 0; while (b) { ll t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= mod; if (u < 0) u += mod; return u; } // a^x ≡ b ll modlog(ll a, ll b, ll mod, bool include0 = false) { a %= mod, b %= mod; constexpr ll sqrtM = 10000; // {a^0, a^1, ..., a^sqrt{M-1}} unordered_map<ll, ll> mp; ll p = 1; for (ll r = 0; r < sqrtM; ++r) { if (p == b) { if (r > 0 || include0) return r; } if (!mp.count(p)) mp[p] = r; p = p * a % mod; } // check each A^p ll A = modpow(modinv(a, mod), sqrtM, mod); p = b; for (ll q = 1; q <= CEIL(mod, sqrtM); ++q) { p = p * A % mod; if (mp.count(p)) return q * sqrtM + mp[p]; } return -1; } void solve() { ll k; cin >> k; ll ans = modlog(2, 1, 2 * k - 1); cout << ans << "\n"; } int main() { int testcase; cin >> testcase; rep(ti, testcase) { solve(); } }