結果
問題 | No.2633 Subsequence Combination Score |
ユーザー | Forested |
提出日時 | 2024-02-16 22:23:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 177 ms / 2,000 ms |
コード長 | 4,649 bytes |
コンパイル時間 | 3,218 ms |
コンパイル使用メモリ | 247,912 KB |
実行使用メモリ | 9,008 KB |
最終ジャッジ日時 | 2024-09-28 20:57:51 |
合計ジャッジ時間 | 10,377 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(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
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 149 ms
8,616 KB |
testcase_03 | AC | 157 ms
8,512 KB |
testcase_04 | AC | 153 ms
8,496 KB |
testcase_05 | AC | 154 ms
8,504 KB |
testcase_06 | AC | 153 ms
8,508 KB |
testcase_07 | AC | 156 ms
8,356 KB |
testcase_08 | AC | 177 ms
8,752 KB |
testcase_09 | AC | 173 ms
8,756 KB |
testcase_10 | AC | 165 ms
8,856 KB |
testcase_11 | AC | 163 ms
8,740 KB |
testcase_12 | AC | 162 ms
8,848 KB |
testcase_13 | AC | 161 ms
8,848 KB |
testcase_14 | AC | 161 ms
8,844 KB |
testcase_15 | AC | 161 ms
8,876 KB |
testcase_16 | AC | 159 ms
8,828 KB |
testcase_17 | AC | 161 ms
8,844 KB |
testcase_18 | AC | 162 ms
8,716 KB |
testcase_19 | AC | 160 ms
8,884 KB |
testcase_20 | AC | 157 ms
8,880 KB |
testcase_21 | AC | 165 ms
9,008 KB |
testcase_22 | AC | 160 ms
8,884 KB |
testcase_23 | AC | 163 ms
8,884 KB |
testcase_24 | AC | 161 ms
8,888 KB |
testcase_25 | AC | 167 ms
8,880 KB |
testcase_26 | AC | 158 ms
8,892 KB |
testcase_27 | AC | 159 ms
8,880 KB |
testcase_28 | AC | 160 ms
8,964 KB |
testcase_29 | AC | 2 ms
6,816 KB |
testcase_30 | AC | 152 ms
8,340 KB |
testcase_31 | AC | 67 ms
6,816 KB |
testcase_32 | AC | 78 ms
6,820 KB |
testcase_33 | AC | 159 ms
8,880 KB |
testcase_34 | AC | 158 ms
8,880 KB |
testcase_35 | AC | 159 ms
8,756 KB |
testcase_36 | AC | 158 ms
8,880 KB |
testcase_37 | AC | 159 ms
8,744 KB |
testcase_38 | AC | 157 ms
8,748 KB |
testcase_39 | AC | 160 ms
8,820 KB |
testcase_40 | AC | 160 ms
8,868 KB |
ソースコード
#ifndef LOCAL #define FAST_IO #endif // ============ #include <bits/stdc++.h> #define OVERRIDE(a, b, c, d, ...) d #define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i) #define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i) #define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__) #define PER2(i, n) for (i32 i = (i32)(n)-1; i >= 0; --i) #define PER3(i, m, n) for (i32 i = (i32)(n)-1; i >= (i32)(m); --i) #define PER(...) OVERRIDE(__VA_ARGS__, PER3, PER2)(__VA_ARGS__) #define ALL(x) begin(x), end(x) #define LEN(x) (i32)(x.size()) using namespace std; using u32 = unsigned int; using u64 = unsigned long long; using i32 = signed int; using i64 = signed long long; using f64 = double; using f80 = long double; using pi = pair<i32, i32>; using pl = pair<i64, i64>; template <typename T> using V = vector<T>; template <typename T> using VV = V<V<T>>; template <typename T> using VVV = V<V<V<T>>>; template <typename T> using VVVV = V<V<V<V<T>>>>; template <typename T> using PQR = priority_queue<T, V<T>, greater<T>>; template <typename T> bool chmin(T &x, const T &y) { if (x > y) { x = y; return true; } return false; } template <typename T> bool chmax(T &x, const T &y) { if (x < y) { x = y; return true; } return false; } template <typename T> i32 lob(const V<T> &arr, const T &v) { return (i32)(lower_bound(ALL(arr), v) - arr.begin()); } template <typename T> i32 upb(const V<T> &arr, const T &v) { return (i32)(upper_bound(ALL(arr), v) - arr.begin()); } template <typename T> V<i32> argsort(const V<T> &arr) { V<i32> ret(arr.size()); iota(ALL(ret), 0); sort(ALL(ret), [&](i32 i, i32 j) -> bool { if (arr[i] == arr[j]) { return i < j; } else { return arr[i] < arr[j]; } }); return ret; } #ifdef INT128 using u128 = __uint128_t; using i128 = __int128_t; #endif [[maybe_unused]] constexpr i32 INF = 1000000100; [[maybe_unused]] constexpr i64 INF64 = 3000000000000000100; struct SetUpIO { SetUpIO() { #ifdef FAST_IO ios::sync_with_stdio(false); cin.tie(nullptr); #endif cout << fixed << setprecision(15); } } set_up_io; void scan(char &x) { cin >> x; } void scan(u32 &x) { cin >> x; } void scan(u64 &x) { cin >> x; } void scan(i32 &x) { cin >> x; } void scan(i64 &x) { cin >> x; } void scan(string &x) { cin >> x; } template <typename T> void scan(V<T> &x) { for (T &ele : x) { scan(ele); } } void read() {} template <typename Head, typename... Tail> void read(Head &head, Tail &...tail) { scan(head); read(tail...); } #define CHAR(...) \ char __VA_ARGS__; \ read(__VA_ARGS__); #define U32(...) \ u32 __VA_ARGS__; \ read(__VA_ARGS__); #define U64(...) \ u64 __VA_ARGS__; \ read(__VA_ARGS__); #define I32(...) \ i32 __VA_ARGS__; \ read(__VA_ARGS__); #define I64(...) \ i64 __VA_ARGS__; \ read(__VA_ARGS__); #define STR(...) \ string __VA_ARGS__; \ read(__VA_ARGS__); #define VEC(type, name, size) \ V<type> name(size); \ read(name); #define VVEC(type, name, size1, size2) \ VV<type> name(size1, V<type>(size2)); \ read(name); // ============ #ifdef DEBUGF #else #define DBG(...) (void)0 #endif #include <atcoder/convolution> using M = atcoder::modint998244353; void solve() { I32(n); VEC(i32, a, n); reverse(ALL(a)); i32 s = a[n - 1] + 1; V<i32> cnt(s, 0); REP(i, n) { ++cnt[a[i]]; } V<M> cf(s); REP(i, s) { cf[i] = M(2).pow(cnt[i]) - M(1); } DBG(cf); V<M> fact(s), invfact(s); fact[0] = M(1); REP(i, 1, s) { fact[i] = fact[i - 1] * M(i); } invfact[s - 1] = fact[s - 1].inv(); PER(i, s - 1) { invfact[i] = invfact[i + 1] * M(i + 1); } DBG(fact, invfact); V<M> dp(s); auto rec = [&](auto rec, i32 l, i32 r) -> void { if (r - l == 1) { dp[l] += cf[l]; return; } i32 mid = (l + r) / 2; rec(rec, l, mid); V<M> arr1(dp.begin() + l, dp.begin() + mid); REP(i, l, mid) { arr1[i - l] *= invfact[i]; } V<M> arr2(invfact.begin(), invfact.begin() + (r - l)); V<M> conv = atcoder::convolution(arr1, arr2); REP(i, mid, r) { dp[i] += conv[i - l] * fact[i] * cf[i]; } rec(rec, mid, r); }; rec(rec, 0, s); DBG(dp); M ans = accumulate(ALL(dp), M()); cout << ans.val() << '\n'; } int main() { i32 t = 1; // cin >> t; while (t--) { solve(); } }