結果
問題 | No.685 Logical Operations |
ユーザー | 0w1 |
提出日時 | 2018-10-30 17:51:49 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,592 bytes |
コンパイル時間 | 2,376 ms |
コンパイル使用メモリ | 209,480 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-19 10:42:09 |
合計ジャッジ時間 | 2,837 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
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 | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
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 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; template <typename T> class Array : public vector<T> { public: using vector<T>::vector; using vector<T>::begin; using vector<T>::end; using vector<T>::push_back; template <typename R> Array<R> map(function<R(T)> f) { Array<R> res(end() - begin()); for (auto it = begin(); it != end(); ++it) res[it - begin()] = f(*it); return res; } Array<T> select(function<bool(T)> f) { Array<T> res; for (auto it = begin(); it != end(); ++it) if (f(*it)) res.push_back(*it); return res; } template <typename R> R reduce(R u, function<R(R, T)> f) { for (auto it = begin(); it != end(); ++it) u = f(u, *it); return u; } template <typename U> Array<pair<T, U>> zip(const Array<U> &b) { assert(end() - begin() == b.end() - b.begin()); Array<pair<T, U>> res; for (auto it = begin(); it != end(); ++it) res.push_back({*it, b[it - begin()]}); return res; } Array<T> iota(T st) { Array<T> res(end() - begin()); ::iota(res.begin(), res.end(), st); return res; } Array<T> slice(int st, size_t len) { auto it = (st < 0 ? end() : begin()) + st; return Array<T>(it, it + len); } void inspect() { copy(begin(), prev(end()), ostream_iterator<T>(cout, ", ")); cout << *prev(end()) << endl; } }; template <int mod> struct ModInt { static int normal(int v) { return v < mod ? 0 <= v ? v : v + mod : v - mod; } int val; ModInt(int v = 0) : val(normal(v)) {} ModInt(int64_t v) : val(normal(v % mod)) {} ModInt operator+(const ModInt &b) const { return normal(val + b.val); } ModInt operator-(const ModInt &b) const { return normal(val - b.val); } ModInt operator*(const ModInt &b) const { return 1LL * val * b.val % mod; } ModInt operator/(const ModInt &oth) const { function<int(int, int, int, int)> modinv = [&](int a, int b, int x, int y) { if (b == 0) return x < 0 ? x + mod : x; return modinv(b, a - a / b * b, y, x - a / b * y); }; return *this * modinv(oth.val, mod, 1, 0); } ModInt operator-() const { return mod - val; } template<int _mod> friend ostream& operator<<(ostream& os, ModInt<_mod> m) { return os << m.val, os; } }; signed main() { ios::sync_with_stdio(false); int N; cin >> N; string sn = bitset<32>(N).to_string(); Array<int> asn = Array<char>(find(sn.begin(), sn.end(), '1'), sn.end()) .template map<int>([](char c) { return c - '0'; }); Array<ModInt<int(1e9 + 7)>> dp((asn.size() + 1) * 2 * 2 * 2 * 2); dp[0] = 1; for (int i = 0; i < asn.size(); ++i) for (int lx = 0; lx < 2; ++lx) for (int ly = 0; ly < 2; ++ly) for (int l1 = 0; l1 < 2; ++l1) for (int l2 = 0; l2 < 2; ++l2) { int s = i << 4 | lx << 3 | ly << 2 | l1 << 1 | l2; for (int dx = 0; dx < (lx ? 2 : asn[i] + 1); ++dx) for (int dy = 0; dy < (ly ? 2 : dx + 1); ++dy) { if (!l1 & (dx & dy) > (dx ^ dy)) continue; if (!l2 & (dx ^ dy) > (dx | dy)) continue; int ns = i + 1 << 4 | (lx | dx < asn[i]) << 3 | (ly | dy < dx) << 2 | (l1 | (dx & dy) < (dx ^ dy)) << 1 | (l2 | (dx ^ dy) < (dx | dy)); dp[ns] = dp[ns] + dp[s]; } } ModInt<int(1e9 + 7)> ans; for (int lx = 0; lx < 2; ++lx) for (int ly = 0; ly < 2; ++ly) ans = ans + dp[asn.size() << 4 | lx << 3 | ly << 2 | 3]; cout << ans << endl; return 0; }