結果
問題 | No.2857 Div Array |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-08-26 17:22:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 51 ms / 2,000 ms |
コード長 | 4,259 bytes |
コンパイル時間 | 5,527 ms |
コンパイル使用メモリ | 232,272 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-08-26 17:22:42 |
合計ジャッジ時間 | 6,567 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 3 ms
6,944 KB |
testcase_11 | AC | 37 ms
6,940 KB |
testcase_12 | AC | 10 ms
6,940 KB |
testcase_13 | AC | 4 ms
6,940 KB |
testcase_14 | AC | 35 ms
6,944 KB |
testcase_15 | AC | 5 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 31 ms
6,944 KB |
testcase_18 | AC | 27 ms
6,940 KB |
testcase_19 | AC | 15 ms
6,944 KB |
testcase_20 | AC | 48 ms
6,944 KB |
testcase_21 | AC | 47 ms
6,944 KB |
testcase_22 | AC | 47 ms
6,940 KB |
testcase_23 | AC | 51 ms
6,944 KB |
testcase_24 | AC | 3 ms
6,940 KB |
testcase_25 | AC | 3 ms
6,944 KB |
testcase_26 | AC | 3 ms
6,940 KB |
testcase_27 | AC | 3 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,944 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } vector<vector<ll>> m_mul(vector<vector<ll>> &a, vector<vector<ll>> &b) { ll n = a.size(); vector<vector<ll>> ret(n, vector<ll>(n, 0)); for (ll i = 0; i < n; i++) { for (ll j = 0; j < n; j++) { for (ll k = 0; k < n; k++) { ret[i][j] = (ret[i][j] + a[i][k] * b[k][j]) % mod2; } } } return ret; } vector<vector<ll>> p_mul(vector<vector<ll>> a, ll k) { ll n = a.size(); vector<vector<ll>> ret(n, vector<ll>(n, 0)); for (ll i = 0; i < n; i++) { ret[i][i] = 1; } while (k > 0) { if (k % 2 == 1) { ret = m_mul(a, ret); } a = m_mul(a, a); k /= 2; } return ret; } int main() { ll N, M, K; cin >> N >> M >> K; map<ll, ll> mp; for (ll i = 1; i <= M; i++) { mp[M / i]++; } ll now = 0; for (auto itr = mp.begin(); itr != mp.end(); itr++) { itr->second = now; now++; } vector<vector<ll>> mat(now, vector<ll>(now, 0)); for (auto itr = mp.begin(); itr != mp.end(); itr++) { ll idx = itr->second; ll val = itr->first; for (ll j = 1; j <= M; j++) { if (abs(val - M / j) <= K) { mat[idx][mp[M / j]]++; } } } // debug(mat); vector<ll> first(now, 0); for (ll i = 1; i <= M; i++) { first[mp[M / i]]++; } // debug(first); vector<vector<ll>> m_mat = p_mul(mat, N - 1); ll ans = 0; for (ll i = 0; i < now; i++) { for (ll j = 0; j < now; j++) { ans += m_mat[j][i] * first[j]; ans %= mod2; } } cout << ans << endl; }