結果
問題 | No.1846 Good Binary Matrix |
ユーザー | sten_san |
提出日時 | 2022-02-19 06:00:25 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 305 ms / 2,000 ms |
コード長 | 2,855 bytes |
コンパイル時間 | 2,081 ms |
コンパイル使用メモリ | 205,440 KB |
実行使用メモリ | 10,956 KB |
最終ジャッジ日時 | 2024-06-29 10:13:40 |
合計ジャッジ時間 | 5,896 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
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 1 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 289 ms
10,956 KB |
testcase_17 | AC | 305 ms
10,480 KB |
testcase_18 | AC | 293 ms
10,524 KB |
testcase_19 | AC | 281 ms
10,824 KB |
testcase_20 | AC | 292 ms
10,952 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 118 ms
7,168 KB |
testcase_24 | AC | 61 ms
6,940 KB |
testcase_25 | AC | 247 ms
9,780 KB |
testcase_26 | AC | 166 ms
7,552 KB |
testcase_27 | AC | 253 ms
10,684 KB |
testcase_28 | AC | 115 ms
6,940 KB |
testcase_29 | AC | 160 ms
7,680 KB |
testcase_30 | AC | 72 ms
6,940 KB |
testcase_31 | AC | 35 ms
6,944 KB |
testcase_32 | AC | 215 ms
8,832 KB |
testcase_33 | AC | 37 ms
6,940 KB |
testcase_34 | AC | 3 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; struct iofast_t { iofast_t() { ios::sync_with_stdio(false); cin.tie(nullptr); } } iofast; struct uns_t {} uns; template <typename Element, typename Head, typename ...Args> auto vec(Element init, Head arg, Args ...args) { if constexpr (sizeof...(Args) == 0) return vector(arg, init); else return vector(arg, vec(init, args...)); } template <typename Element, typename Head, typename ...Args> auto vec(uns_t, Head arg, Args ...args) { return vec(Element(), arg, args...); } template <typename Container> auto distance(const Container &c, decltype(begin(c)) iter) { return distance(begin(c), iter); } template <typename RIter, typename Compare = less<typename iterator_traits<RIter>::value_type>> auto isort(RIter first, RIter last, Compare comp = Compare()) { vector<int> i(distance(first, last)); iota(begin(i), end(i), 0); sort(begin(i), end(i), [&](auto x, auto y) { return comp(*(first + x), *(first + y)); }); return i; } template <typename, template <typename> typename, typename = void_t<>> struct detect : false_type {}; template <typename T, template <typename> typename Check> struct detect<T, Check, void_t<Check<T>>> : true_type {}; template <typename T, template <typename> typename Check> constexpr inline bool detect_v = detect<T, Check>::value; template <typename T> using has_member_sort = decltype(declval<T>().sort()); template <typename Container, typename Compare = less<typename Container::value_type>> auto sorted(Container c, Compare comp = Compare()) { if constexpr (detect_v<Container, has_member_sort>) { c.sort(comp); return c; } else { sort(begin(c), end(c), comp); return c; } } template <typename Container, typename Compare = equal_to<typename Container::value_type>> auto uniqued(Container c, Compare comp = Compare()) { c.erase(unique(begin(c), end(c), comp), end(c)); return c; } template <typename T, typename Compare = less<T>> T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); } template <typename T, typename Compare = less<T>> T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); } #include <atcoder/modint> using mint = atcoder::modint1000000007; int main() { int h, w; cin >> h >> w; auto f = vec<mint>(uns, w + 1); auto g = vec<mint>(uns, w + 1); f[0] = g[0] = 1; for (int i = 1; i <= w; ++i) { f[i] = f[i - 1] * i; g[i] = 1 / f[i]; } auto comb = [&](int n, int r) { return f[n] * g[r] * g[n - r]; }; mint ans = 0; for (int i = 1; i <= w; ++i) { int sign = (i % 2) * 2 - 1; ans += sign * comb(w, i) * (mint(2).pow(w - i) - 1).pow(h); } cout << ((mint(2).pow(w) - 1).pow(h) - ans).val() << endl; }