結果
問題 | No.1167 Graduation Trip |
ユーザー | Mister |
提出日時 | 2020-08-18 07:36:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,090 bytes |
コンパイル時間 | 1,449 ms |
コンパイル使用メモリ | 101,616 KB |
実行使用メモリ | 5,504 KB |
最終ジャッジ日時 | 2024-10-11 20:31:56 |
合計ジャッジ時間 | 2,922 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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
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 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 7 ms
5,248 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | AC | 40 ms
5,248 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | AC | 2 ms
5,248 KB |
testcase_36 | AC | 2 ms
5,248 KB |
testcase_37 | AC | 2 ms
5,248 KB |
ソースコード
#include <iostream> #include <vector> #include <functional> template <int MOD> struct ModInt { using lint = long long; int val; // constructor ModInt(lint v = 0) : val(v % MOD) { if (val < 0) val += MOD; }; // unary operator ModInt operator+() const { return ModInt(val); } ModInt operator-() const { return ModInt(MOD - val); } ModInt inv() const { return this->pow(MOD - 2); } // arithmetic ModInt operator+(const ModInt& x) const { return ModInt(*this) += x; } ModInt operator-(const ModInt& x) const { return ModInt(*this) -= x; } ModInt operator*(const ModInt& x) const { return ModInt(*this) *= x; } ModInt operator/(const ModInt& x) const { return ModInt(*this) /= x; } ModInt pow(lint n) const { auto x = ModInt(1); auto b = *this; while (n > 0) { if (n & 1) x *= b; n >>= 1; b *= b; } return x; } // compound assignment ModInt& operator+=(const ModInt& x) { if ((val += x.val) >= MOD) val -= MOD; return *this; } ModInt& operator-=(const ModInt& x) { if ((val -= x.val) < 0) val += MOD; return *this; } ModInt& operator*=(const ModInt& x) { val = lint(val) * x.val % MOD; return *this; } ModInt& operator/=(const ModInt& x) { return *this *= x.inv(); } // compare bool operator==(const ModInt& b) const { return val == b.val; } bool operator!=(const ModInt& b) const { return val != b.val; } bool operator<(const ModInt& b) const { return val < b.val; } bool operator<=(const ModInt& b) const { return val <= b.val; } bool operator>(const ModInt& b) const { return val > b.val; } bool operator>=(const ModInt& b) const { return val >= b.val; } // I/O friend std::istream& operator>>(std::istream& is, ModInt& x) noexcept { lint v; is >> v; x = v; return is; } friend std::ostream& operator<<(std::ostream& os, const ModInt& x) noexcept { return os << x.val; } }; template <class T> struct SegmentTree { using Merger = std::function<T(T, T)>; int length; std::vector<T> dat; T unit; Merger merge; SegmentTree() = default; SegmentTree(int n, const T& unit, const Merger& merge) : length(1), unit(unit), merge(merge) { while (length < n) length <<= 1; dat.assign(length * 2, unit); } template <class Container> SegmentTree(const Container& elems, const T& unit, const Merger& merge) : length(1), unit(unit), merge(merge) { int n = elems.size(); while (length < n) length <<= 1; dat.assign(length * 2, unit); std::copy(elems.begin(), elems.end(), dat.begin() + length); for (int nidx = length - 1; nidx >= 1; --nidx) { T vl = dat[nidx * 2 + 0]; T vr = dat[nidx * 2 + 1]; dat[nidx] = merge(vl, vr); } } void update(int nidx, const T& elem) { nidx += length; dat[nidx] = elem; while (nidx > 0) { nidx >>= 1; T vl = dat[nidx * 2 + 0]; T vr = dat[nidx * 2 + 1]; dat[nidx] = merge(vl, vr); } } T fold(int ql, int qr) const { ql = std::max(ql, 0); qr = std::min(qr, length); ql += length, qr += length; T lacc = unit, racc = unit; while (ql < qr) { if (ql & 1) { lacc = merge(lacc, dat[ql]); ++ql; } if (qr & 1) { --qr; racc = merge(dat[qr], racc); } ql >>= 1, qr >>= 1; } return merge(lacc, racc); } T get(int idx) const { return dat[idx + length]; } T fold_all() const { return dat[1]; } }; bool independent(std::vector<int> bs, int& v) { for (auto b : bs) v = std::min(v, b ^ v); return v != 0; } struct Linear { std::vector<int> basis; int corank; Linear() : corank(0) {} void add(int b) { if (independent(basis, b)) { basis.push_back(b); } else { ++corank; } } }; constexpr int MOD = 1000000007; using mint = ModInt<MOD>; void solve() { int n, q; std::cin >> n >> q; std::vector<Linear> ls(n); for (auto& l : ls) { int b; std::cin >> b; l.add(b); } SegmentTree<Linear> seg(ls, Linear(), [](Linear p, const Linear& q) { p.corank += q.corank; for (auto b : q.basis) p.add(b); return p; }); while (q--) { int m; std::cin >> m; std::vector<int> rs(m); for (auto& r : rs) std::cin >> r; rs.push_back(n); int e = 0, l = 0; for (auto r : rs) { e += seg.fold(l, r).corank; l = r; } std::cout << mint(2).pow(e) << "\n"; } } int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); solve(); return 0; }