結果
問題 | No.2613 Sum of Combination |
ユーザー | karinohito |
提出日時 | 2024-01-19 22:44:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 608 ms / 4,500 ms |
コード長 | 3,606 bytes |
コンパイル時間 | 4,689 ms |
コンパイル使用メモリ | 281,720 KB |
実行使用メモリ | 21,464 KB |
最終ジャッジ日時 | 2024-09-28 04:53:00 |
合計ジャッジ時間 | 14,018 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
6,812 KB |
testcase_02 | AC | 8 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 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
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 10 ms
6,940 KB |
testcase_14 | AC | 11 ms
6,940 KB |
testcase_15 | AC | 7 ms
6,944 KB |
testcase_16 | AC | 8 ms
6,940 KB |
testcase_17 | AC | 10 ms
6,940 KB |
testcase_18 | AC | 8 ms
6,940 KB |
testcase_19 | AC | 12 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 16 ms
6,944 KB |
testcase_23 | AC | 453 ms
18,812 KB |
testcase_24 | AC | 311 ms
19,700 KB |
testcase_25 | AC | 325 ms
16,584 KB |
testcase_26 | AC | 301 ms
20,724 KB |
testcase_27 | AC | 143 ms
12,492 KB |
testcase_28 | AC | 608 ms
20,124 KB |
testcase_29 | AC | 288 ms
20,096 KB |
testcase_30 | AC | 420 ms
20,716 KB |
testcase_31 | AC | 426 ms
19,064 KB |
testcase_32 | AC | 318 ms
19,472 KB |
testcase_33 | AC | 306 ms
20,288 KB |
testcase_34 | AC | 284 ms
20,572 KB |
testcase_35 | AC | 304 ms
20,420 KB |
testcase_36 | AC | 380 ms
20,784 KB |
testcase_37 | AC | 292 ms
21,248 KB |
testcase_38 | AC | 358 ms
20,128 KB |
testcase_39 | AC | 289 ms
19,304 KB |
testcase_40 | AC | 277 ms
19,920 KB |
testcase_41 | AC | 308 ms
21,464 KB |
testcase_42 | AC | 321 ms
20,756 KB |
testcase_43 | AC | 416 ms
21,376 KB |
testcase_44 | AC | 289 ms
20,704 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,944 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 282 ms
20,700 KB |
testcase_51 | AC | 276 ms
20,704 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #include <atcoder/all> #include <time.h> using namespace atcoder; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; #define all(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) template<class T> bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template<class T> bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll modPow(long long a, long long n, long long p) { if (n == 0) return 1; // 0乗にも対応する場合 if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; long long t = modPow(a, n / 2, p); return (t * t) % p; } ll cnt = 0; ll gcd(ll(a), ll(b)) { cnt++; if (a == 0)return b; if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } ll sqrtz(ll N) { ll L = 0; ll R = sqrt(N) + 10000; while (abs(R - L) > 1) { ll mid = (R + L) / 2; if (mid * mid <= N)L = mid; else R = mid; } return L; } ll nzkon(ll N, ll K) {// return 0; } using mint = modint998244353; using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; vector<ll> fact, factinv, inv; ll mod; void prenCkModp(ll n) { fact.resize(n + 5); factinv.resize(n + 5); inv.resize(n + 5); fact[0] = fact[1] = 1; factinv[0] = factinv[1] = 1; inv[1] = 1; for (ll i = 2; i < n + 5; i++) { fact[i] = (fact[i - 1] * i) % mod; inv[i] = (mod - ((inv[mod % i] * (mod / i)) % mod) % mod) % mod; factinv[i] = (factinv[i - 1] * inv[i]) % mod; } } ll nCk(ll n, ll k) { if (n < k || k < 0) return 0; return (fact[n] * ((factinv[k] * factinv[n - k]) % mod) % mod); } bool DEB = 0; vvm mul(vvm A, vvm B) { ll n = A.size(); vvm res(n, vm(n, 0)); rep(i, n)rep(j, n)rep(k, n)res[i][j] += A[i][k] * B[k][j]; return res; } ll proot(ll P) { while (1) { ll N = rand() % P, x = 1; if (N == 0)continue; set<ll> S; rep(i, P) { S.insert(x); x *= N; x %= P; } if (S.size() == P - 1) return N; } } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll N, P; cin >> N >> P; mod = P; prenCkModp(P + 1); vll M; while (N > 0) { M.push_back(N % P); N /= P; } reverse(all(M)); ll MN = M.size(); ll r = proot(P); //cout<<r<<endl; vll rs(P); ll x = 1; vll rsinv(P); rep(i, P - 1) { rsinv[i] = x; rs[x] = i; x *= r; x %= P; } mint J = 1; vm U(P, 0); U[0]=0; for (auto m : M) { //cout<<m<<endl; vm NU(P, 0); for (ll r = 0; r <= m; r++) { NU[rs[nCk(m, r)]]++; } NU = convolution(U, NU); U.assign(P, 0); for (ll i = 0; i < NU.size(); i++) { U[i % (P-1)] += NU[i]; } for (ll pr = 0; pr < m; pr++) { ll rr = nCk(m, pr); if (rr == 0)continue; U[rs[rr]]++; } } mint an = 1; rep(i, P)an += U[i] * rsinv[i]; cout << an.val() << endl; }