結果
問題 | No.2605 Pickup Parentheses |
ユーザー | shobonvip |
提出日時 | 2024-01-13 18:43:06 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 180 ms / 2,000 ms |
コード長 | 2,321 bytes |
コンパイル時間 | 4,146 ms |
コンパイル使用メモリ | 276,280 KB |
実行使用メモリ | 17,852 KB |
最終ジャッジ日時 | 2024-09-30 06:35:23 |
合計ジャッジ時間 | 8,206 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 14 ms
11,264 KB |
testcase_01 | AC | 14 ms
11,264 KB |
testcase_02 | AC | 13 ms
11,264 KB |
testcase_03 | AC | 14 ms
11,448 KB |
testcase_04 | AC | 14 ms
11,324 KB |
testcase_05 | AC | 15 ms
11,196 KB |
testcase_06 | AC | 15 ms
11,460 KB |
testcase_07 | AC | 14 ms
11,316 KB |
testcase_08 | AC | 14 ms
11,520 KB |
testcase_09 | AC | 14 ms
11,392 KB |
testcase_10 | AC | 14 ms
11,324 KB |
testcase_11 | AC | 14 ms
11,392 KB |
testcase_12 | AC | 14 ms
11,264 KB |
testcase_13 | AC | 14 ms
11,320 KB |
testcase_14 | AC | 14 ms
11,332 KB |
testcase_15 | AC | 14 ms
11,392 KB |
testcase_16 | AC | 14 ms
11,392 KB |
testcase_17 | AC | 14 ms
11,320 KB |
testcase_18 | AC | 72 ms
13,940 KB |
testcase_19 | AC | 42 ms
12,852 KB |
testcase_20 | AC | 19 ms
11,776 KB |
testcase_21 | AC | 17 ms
11,448 KB |
testcase_22 | AC | 14 ms
11,520 KB |
testcase_23 | AC | 70 ms
13,932 KB |
testcase_24 | AC | 18 ms
11,832 KB |
testcase_25 | AC | 88 ms
14,184 KB |
testcase_26 | AC | 91 ms
14,620 KB |
testcase_27 | AC | 63 ms
13,956 KB |
testcase_28 | AC | 25 ms
11,960 KB |
testcase_29 | AC | 22 ms
11,720 KB |
testcase_30 | AC | 34 ms
12,672 KB |
testcase_31 | AC | 16 ms
11,520 KB |
testcase_32 | AC | 14 ms
11,464 KB |
testcase_33 | AC | 59 ms
13,736 KB |
testcase_34 | AC | 25 ms
11,904 KB |
testcase_35 | AC | 16 ms
11,588 KB |
testcase_36 | AC | 22 ms
11,580 KB |
testcase_37 | AC | 49 ms
13,308 KB |
testcase_38 | AC | 27 ms
12,596 KB |
testcase_39 | AC | 18 ms
11,648 KB |
testcase_40 | AC | 45 ms
13,404 KB |
testcase_41 | AC | 41 ms
13,600 KB |
testcase_42 | AC | 55 ms
14,092 KB |
testcase_43 | AC | 21 ms
12,032 KB |
testcase_44 | AC | 21 ms
12,032 KB |
testcase_45 | AC | 14 ms
11,444 KB |
testcase_46 | AC | 17 ms
11,720 KB |
testcase_47 | AC | 14 ms
11,264 KB |
testcase_48 | AC | 15 ms
12,348 KB |
testcase_49 | AC | 40 ms
13,492 KB |
testcase_50 | AC | 23 ms
12,288 KB |
testcase_51 | AC | 14 ms
11,708 KB |
testcase_52 | AC | 28 ms
12,776 KB |
testcase_53 | AC | 35 ms
13,192 KB |
testcase_54 | AC | 23 ms
12,276 KB |
testcase_55 | AC | 28 ms
13,152 KB |
testcase_56 | AC | 17 ms
11,708 KB |
testcase_57 | AC | 14 ms
11,776 KB |
testcase_58 | AC | 180 ms
17,852 KB |
testcase_59 | AC | 73 ms
14,248 KB |
testcase_60 | AC | 87 ms
14,204 KB |
testcase_61 | AC | 81 ms
14,500 KB |
testcase_62 | AC | 96 ms
14,476 KB |
testcase_63 | AC | 87 ms
14,612 KB |
testcase_64 | AC | 108 ms
15,388 KB |
testcase_65 | AC | 79 ms
14,592 KB |
testcase_66 | AC | 159 ms
16,060 KB |
testcase_67 | AC | 86 ms
14,420 KB |
testcase_68 | AC | 16 ms
12,672 KB |
testcase_69 | AC | 14 ms
11,320 KB |
testcase_70 | AC | 14 ms
11,264 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; //* ATCODER #include<atcoder/all> using namespace atcoder; typedef modint998244353 mint; //*/ /* BOOST MULTIPRECISION #include<boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; //*/ typedef long long ll; #define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++) #define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--) template <typename T> bool chmin(T &a, const T &b) { if (a <= b) return false; a = b; return true; } template <typename T> bool chmax(T &a, const T &b) { if (a >= b) return false; a = b; return true; } template <typename T> T max(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmax(ret, a[i]); return ret; } template <typename T> T min(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmin(ret, a[i]); return ret; } template <typename T> T sum(vector<T> &a){ T ret = 0; for (int i=0; i<(int)a.size(); i++) ret += a[i]; return ret; } //defmodfact const int COMinitMAX = 998244; mint fact[COMinitMAX+1], factinv[COMinitMAX+1]; void modfact(){ fact[0] = 1; for (int i=1; i<=COMinitMAX; i++){ fact[i] = fact[i-1] * i; } factinv[COMinitMAX] = fact[COMinitMAX].inv(); for (int i=COMinitMAX-1; i>=0; i--){ factinv[i] = factinv[i+1] * (i+1); } } mint cmb(int a, int b){ if (a<b || b<0) return mint(0); return fact[a]*factinv[b]*factinv[a-b]; } //-------- int main(){ modfact(); int n, m; cin >> n >> m; vector<int> b(m); rep(i,0,m){ int l, r; cin >> l >> r; b[i] = r - l + 1; } vector<mint> catalan(n+1); rep(i,0,n+1){ catalan[i] = fact[2 * i] * factinv[i + 1] * factinv[i]; } if (n % 2 == 1){ cout << 0 << '\n'; return 0; } deque<vector<mint>> deq; rep(i,0,m){ if (b[i] % 2 == 1){ continue; } vector<mint> tar(b[i] / 2 + 1, 0); tar[0] = 1; tar[b[i] / 2] = - catalan[b[i] / 2]; deq.push_back(tar); } while(deq.size() >= 2){ vector<mint> x = deq.front(); deq.pop_front(); vector<mint> y = deq.front(); deq.pop_front(); deq.push_back(convolution(x, y)); } vector<mint> x(n + 1); if (!deq.empty()) x = deq.front(); else x[0] = 1; x.resize(n + 1); mint ans = 0; rep(i,0,n/2+1){ ans += x[i] * catalan[n / 2 - i]; } cout << ans.val() << '\n'; }