結果
問題 | No.1771 A DELETEQ |
ユーザー | sten_san |
提出日時 | 2022-01-19 05:00:13 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 261 ms / 3,500 ms |
コード長 | 2,987 bytes |
コンパイル時間 | 2,027 ms |
コンパイル使用メモリ | 207,024 KB |
実行使用メモリ | 65,792 KB |
最終ジャッジ日時 | 2024-11-23 13:39:41 |
合計ジャッジ時間 | 5,015 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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 260 ms
65,792 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 261 ms
65,792 KB |
testcase_05 | AC | 260 ms
65,536 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 46 ms
13,696 KB |
testcase_10 | AC | 36 ms
11,776 KB |
testcase_11 | AC | 28 ms
9,600 KB |
testcase_12 | AC | 24 ms
8,832 KB |
testcase_13 | AC | 32 ms
10,752 KB |
testcase_14 | AC | 91 ms
24,832 KB |
testcase_15 | AC | 128 ms
33,536 KB |
testcase_16 | AC | 129 ms
33,920 KB |
testcase_17 | AC | 10 ms
5,248 KB |
testcase_18 | AC | 45 ms
13,440 KB |
testcase_19 | AC | 5 ms
5,248 KB |
testcase_20 | AC | 83 ms
23,424 KB |
testcase_21 | AC | 13 ms
6,016 KB |
testcase_22 | AC | 31 ms
10,496 KB |
testcase_23 | AC | 42 ms
13,312 KB |
testcase_24 | AC | 11 ms
5,376 KB |
testcase_25 | AC | 6 ms
5,248 KB |
testcase_26 | AC | 79 ms
21,632 KB |
testcase_27 | AC | 27 ms
9,216 KB |
testcase_28 | AC | 8 ms
5,248 KB |
evil_hand_1.txt | WA | - |
evil_hand_2.txt | WA | - |
evil_hand_3.txt | WA | - |
evil_random_1.txt | WA | - |
evil_random_2.txt | WA | - |
evil_random_3.txt | WA | - |
evil_random_4.txt | WA | - |
evil_random_5.txt | WA | - |
evil_random_6.txt | WA | - |
evil_random_7.txt | WA | - |
evil_random_8.txt | WA | - |
evil_random_9.txt | WA | - |
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::modint998244353; int main() { constexpr auto lim = 4000; int x, y; cin >> x >> y; if (lim < max(x, y)) { return 0; } auto dp = vec<mint>(0, x + 1, y + 1); dp[0][0] = 1; for (int i = 0; i <= x; ++i) { for (int j = 0; j <= y; ++j) { if (0 <= i - 1) { dp[i][j] += dp[i - 1][j]; } if (0 <= j - 1) { dp[i][j] += dp[i][j - 1]; } if (0 <= min(i - 1, j - 1)) { dp[i][j] += 2 * dp[i - 1][j - 1]; if (i == j) { dp[i][j] += 1; } } } } cout << dp[x][y].val() << endl; }