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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#187054#4910. Numbershos_lyric48 2652ms3784kbC++146.6kb2023-09-24 14:09:462023-09-24 14:09:46

Judging History

你现在查看的是最新测评结果

  • [2023-09-24 14:09:46]
  • 评测
  • 测评结果:48
  • 用时:2652ms
  • 内存:3784kb
  • [2023-09-24 14:09:46]
  • 提交

answer

#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

using namespace std;

using Int = long long;

template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
#define COLOR(s) ("\x1b[" s "m")

////////////////////////////////////////////////////////////////////////////////
// Barrett
struct ModInt {
  static unsigned M;
  static unsigned long long NEG_INV_M;
  static void setM(unsigned long long m) { M = m; NEG_INV_M = -1ULL / M; }
  unsigned x;
  ModInt() : x(0U) {}
  ModInt(unsigned x_) : x(x_ % M) {}
  ModInt(unsigned long long x_) : x(x_ % M) {}
  ModInt(int x_) : x(((x_ %= static_cast<int>(M)) < 0) ? (x_ + static_cast<int>(M)) : x_) {}
  ModInt(long long x_) : x(((x_ %= static_cast<long long>(M)) < 0) ? (x_ + static_cast<long long>(M)) : x_) {}
  ModInt &operator+=(const ModInt &a) { x = ((x += a.x) >= M) ? (x - M) : x; return *this; }
  ModInt &operator-=(const ModInt &a) { x = ((x -= a.x) >= M) ? (x + M) : x; return *this; }
  ModInt &operator*=(const ModInt &a) {
    const unsigned long long y = static_cast<unsigned long long>(x) * a.x;
    const unsigned long long q = static_cast<unsigned long long>((static_cast<unsigned __int128>(NEG_INV_M) * y) >> 64);
    const unsigned long long r = y - M * q;
    x = r - M * (r >= M);
    return *this;
  }
  ModInt &operator/=(const ModInt &a) { return (*this *= a.inv()); }
  ModInt pow(long long e) const {
    if (e < 0) return inv().pow(-e);
    ModInt a = *this, b = 1U; for (; e; e >>= 1) { if (e & 1) b *= a; a *= a; } return b;
  }
  ModInt inv() const {
    unsigned a = M, b = x; int y = 0, z = 1;
    for (; b; ) { const unsigned q = a / b; const unsigned c = a - q * b; a = b; b = c; const int w = y - static_cast<int>(q) * z; y = z; z = w; }
    assert(a == 1U); return ModInt(y);
  }
  ModInt operator+() const { return *this; }
  ModInt operator-() const { ModInt a; a.x = x ? (M - x) : 0U; return a; }
  ModInt operator+(const ModInt &a) const { return (ModInt(*this) += a); }
  ModInt operator-(const ModInt &a) const { return (ModInt(*this) -= a); }
  ModInt operator*(const ModInt &a) const { return (ModInt(*this) *= a); }
  ModInt operator/(const ModInt &a) const { return (ModInt(*this) /= a); }
  template <class T> friend ModInt operator+(T a, const ModInt &b) { return (ModInt(a) += b); }
  template <class T> friend ModInt operator-(T a, const ModInt &b) { return (ModInt(a) -= b); }
  template <class T> friend ModInt operator*(T a, const ModInt &b) { return (ModInt(a) *= b); }
  template <class T> friend ModInt operator/(T a, const ModInt &b) { return (ModInt(a) /= b); }
  explicit operator bool() const { return x; }
  bool operator==(const ModInt &a) const { return (x == a.x); }
  bool operator!=(const ModInt &a) const { return (x != a.x); }
  friend std::ostream &operator<<(std::ostream &os, const ModInt &a) { return os << a.x; }
};
unsigned ModInt::M;
unsigned long long ModInt::NEG_INV_M;
// !!!Use ModInt::setM!!!
////////////////////////////////////////////////////////////////////////////////

using Mint = ModInt;


/*
  fix t != 0
  F[u] := Pr[u -> t]
  F[0] = 0
  F[t] = 1
  F[u] = \sum[i] P[i] F[u+e[i]]  (u != 0, t)
  
  F(x) = \sum[u] F[u] x^u
       = x^t + \sum[u!=0,t] F[u] x^u
       = x^t + \sum[u!=0,t] \sum[i] P[i] F[u+e[i]] x^u
       = x^t + \sum[v] \sum[i] P[i] F[v] x^(v-e[i]) - \sum[i] P[i] F[e[i]] - \sum[i] P[i] F[t+e[i]] x^t
       =: G(x) F(x) + a + b x^t
  G(x) = \sum[i] P[i] x^(-i)
  Pr[start -> t] = -a
  
  F(1) = G(1) F(1) + a + b
  G(1) = 1
  b = -a
  (1 - G(x) F(x) = a (x^0 - x^t)
  \sum[w] F(w) = F[0] = 0
*/

int N, MO, I;
vector<int> L;
vector<Mint> P, D;

int M;
vector<int> LL;

void dft(vector<Mint> &fs, bool inv) {
  for (int i = 0; i < N; ++i) {
    const Mint d = inv ? D[i].inv() : D[i];
    for (int u = 0; u < M; u += LL[i + 1]) for (int v = u; v < u + LL[i]; ++v) {
      vector<Mint> as(L[i]);
      for (int k = 0; k < L[i]; ++k) as[k] = fs[v + k * LL[i]];
      vector<Mint> bs(L[i], 0);
      Mint dk = 1;
      for (int k = 0; k < L[i]; ++k) {
        Mint dkl = 1;
        for (int l = 0; l < L[i]; ++l) {
          bs[k] += dkl * as[l];
          dkl *= dk;
        }
        dk *= d;
      }
      for (int k = 0; k < L[i]; ++k) fs[v + k * LL[i]] = bs[k];
    }
  }
  if (inv) {
    const Mint invM = Mint(M).inv();
    for (int u = 0; u < M; ++u) {
      fs[u] *= invM;
    }
  }
}

int main() {
  for (; ~scanf("%d%d%d", &N, &MO, &I); ) {
    Mint::setM(MO);
    L.resize(N);
    P.resize(N);
    D.resize(N);
    for (int i = 0; i < N; ++i) {
      scanf("%d%u%u", &L[i], &P[i].x, &D[i].x);
    }
    
    {
      Mint sumP = 0;
      for (int i = 0; i < N; ++i) {
        sumP += P[i];
      }
      const Mint invSumP = sumP.inv();
      for (int i = 0; i < N; ++i) {
        P[i] *= invSumP;
      }
    }
    
    LL.resize(N + 1);
    LL[0] = 1;
    for (int i = 0; i < N; ++i) {
      LL[i + 1] = LL[i] * L[i];
    }
    M = LL[N];
cerr<<"N = "<<N<<", M = "<<M<<", I = "<<I<<", L = "<<L<<endl;
    
    vector<Mint> gs(M, 0);
    gs[0] += 1;
    for (int i = 0; i < N; ++i) {
      gs[(L[i] - 1) * LL[i]] -= P[i];
    }
    dft(gs, false);
    assert(!gs[0]);
    for (int u = 1; u < M; ++u) {
      assert(gs[u]);
      gs[u] = gs[u].inv();
    }
    
    Mint ans = 1;
    for (int t = 1; t < M; ++t) {
      vector<Mint> fs(M, 0);
      fs[0] += 1;
      fs[t] -= 1;
      dft(fs, false);
      fs[0] = 0;
      for (int u = 1; u < M; ++u) {
        fs[0] -= (fs[u] *= gs[u]);
      }
      dft(fs, true);
      ans -= fs[t].inv();
    }
    printf("%u\n", ans.x);
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Time Limit Exceeded

Test #1:

score: 0
Time Limit Exceeded

input:

1 1040016149 1
114514 86782 975423317

output:


result:


Subtask #2:

score: 8
Accepted

Test #2:

score: 8
Accepted
time: 0ms
memory: 3680kb

input:

1 917829557 2
7 409960 84299716

output:

7

result:

ok 1 number(s): "7"

Test #3:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

2 1021037011 2
3 673845 456586624
2 557323 1021037010

output:

325765596

result:

ok 1 number(s): "325765596"

Test #4:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

2 974672641 2
2 919159 974672640
4 945246 788001635

output:

206340059

result:

ok 1 number(s): "206340059"

Test #5:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

3 942949663 2
2 900268 942949662
2 314911 942949662
2 488210 942949662

output:

697012073

result:

ok 1 number(s): "697012073"

Subtask #3:

score: 10
Accepted

Dependency #2:

100%
Accepted

Test #6:

score: 10
Accepted
time: 2ms
memory: 3700kb

input:

2 1040469361 3
3 607396 156553896
20 622587 835710357

output:

212836966

result:

ok 1 number(s): "212836966"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3684kb

input:

6 932284961 3
2 976786 932284960
2 296977 932284960
2 640048 932284960
2 883210 932284960
2 178849 932284960
2 292747 932284960

output:

767388139

result:

ok 1 number(s): "767388139"

Test #8:

score: 0
Accepted
time: 2ms
memory: 3736kb

input:

3 972511489 3
4 270846 275326774
6 901035 3644392
3 450749 3644391

output:

386017324

result:

ok 1 number(s): "386017324"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

4 952654361 3
4 353315 567578568
2 265582 952654360
2 429959 952654360
5 62389 840524015

output:

942289666

result:

ok 1 number(s): "942289666"

Test #10:

score: 0
Accepted
time: 2ms
memory: 3776kb

input:

3 969859729 3
3 342202 745159492
9 270897 686337727
3 216159 745159492

output:

184152966

result:

ok 1 number(s): "184152966"

Test #11:

score: 0
Accepted
time: 2ms
memory: 3736kb

input:

3 953647801 3
7 943891 755724372
4 151642 109446108
3 775757 89434891

output:

811899700

result:

ok 1 number(s): "811899700"

Test #12:

score: 0
Accepted
time: 3ms
memory: 3708kb

input:

3 1029304937 3
4 54303 379091496
2 193487 1029304936
11 607170 762447147

output:

626421900

result:

ok 1 number(s): "626421900"

Test #13:

score: 0
Accepted
time: 3ms
memory: 3752kb

input:

3 904885561 3
3 554090 196965144
2 945499 904885560
15 747460 217098071

output:

676301027

result:

ok 1 number(s): "676301027"

Test #14:

score: 0
Accepted
time: 3ms
memory: 3700kb

input:

6 986788531 3
2 522554 986788530
2 316305 986788530
2 94022 986788530
2 249256 986788530
2 625960 986788530
3 405298 837112629

output:

441366932

result:

ok 1 number(s): "441366932"

Test #15:

score: 0
Accepted
time: 3ms
memory: 3784kb

input:

2 1023351421 3
20 337665 403345072
5 40276 480359844

output:

1002751099

result:

ok 1 number(s): "1002751099"

Subtask #4:

score: 8
Accepted

Test #16:

score: 8
Accepted
time: 2136ms
memory: 3684kb

input:

2 998244353 4
4 61786 911660635
238 287234 493901365

output:

223055892

result:

ok 1 number(s): "223055892"

Test #17:

score: 0
Accepted
time: 705ms
memory: 3708kb

input:

2 998244353 4
7 25813 683624219
112 96355 961521397

output:

97474170

result:

ok 1 number(s): "97474170"

Test #18:

score: 0
Accepted
time: 413ms
memory: 3668kb

input:

2 998244353 4
56 87114 727469702
14 24912 983690962

output:

592417090

result:

ok 1 number(s): "592417090"

Test #19:

score: 0
Accepted
time: 456ms
memory: 3664kb

input:

2 998244353 4
32 147776 617152567
28 775643 859007132

output:

566596649

result:

ok 1 number(s): "566596649"

Test #20:

score: 0
Accepted
time: 635ms
memory: 3700kb

input:

2 998244353 4
17 545281 464157011
56 816599 3898319

output:

469481867

result:

ok 1 number(s): "469481867"

Subtask #5:

score: 10
Accepted

Test #21:

score: 10
Accepted
time: 6ms
memory: 3680kb

input:

7 1023063703 5
2 265354 1023063702
2 526733 1023063702
2 685323 1023063702
2 856929 1023063702
2 116643 1023063702
2 909182 1023063702
2 533391 1023063702

output:

72258463

result:

ok 1 number(s): "72258463"

Test #22:

score: 0
Accepted
time: 25ms
memory: 3692kb

input:

8 909973201 5
2 803753 909973200
2 909951 909973200
2 686418 909973200
2 751586 909973200
2 596938 909973200
2 931460 909973200
2 613477 909973200
2 716815 909973200

output:

446664445

result:

ok 1 number(s): "446664445"

Test #23:

score: 0
Accepted
time: 102ms
memory: 3692kb

input:

9 1016555329 5
2 955958 1016555328
2 672234 1016555328
2 870436 1016555328
2 31291 1016555328
2 206731 1016555328
2 727640 1016555328
2 134125 1016555328
2 893866 1016555328
2 138706 1016555328

output:

808692189

result:

ok 1 number(s): "808692189"

Test #24:

score: 0
Accepted
time: 469ms
memory: 3688kb

input:

10 1007394217 5
2 961834 1007394216
2 209391 1007394216
2 715582 1007394216
2 553353 1007394216
2 213960 1007394216
2 589617 1007394216
2 666503 1007394216
2 407731 1007394216
2 152967 1007394216
2 848445 1007394216

output:

9280802

result:

ok 1 number(s): "9280802"

Test #25:

score: 0
Accepted
time: 467ms
memory: 3688kb

input:

10 968522221 5
2 21932 968522220
2 675564 968522220
2 378437 968522220
2 81037 968522220
2 963992 968522220
2 311430 968522220
2 699121 968522220
2 45417 968522220
2 275308 968522220
2 411066 968522220

output:

692011298

result:

ok 1 number(s): "692011298"

Subtask #6:

score: 12
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

100%
Accepted

Dependency #5:

100%
Accepted

Test #26:

score: 12
Accepted
time: 180ms
memory: 3688kb

input:

4 972401761 6
2 972661 972401760
15 255992 126248662
12 878880 606133410
2 224371 972401760

output:

115576065

result:

ok 1 number(s): "115576065"

Test #27:

score: 0
Accepted
time: 255ms
memory: 3728kb

input:

4 904442113 6
4 455381 759185044
32 370753 618464921
3 500887 212337160
2 124789 904442112

output:

423186989

result:

ok 1 number(s): "423186989"

Test #28:

score: 0
Accepted
time: 1272ms
memory: 3684kb

input:

2 1044288001 6
200 909466 831914154
4 635879 349141366

output:

992703804

result:

ok 1 number(s): "992703804"

Test #29:

score: 0
Accepted
time: 1459ms
memory: 3740kb

input:

3 995557889 6
208 995170 150328412
2 962966 995557888
2 870197 995557888

output:

559608682

result:

ok 1 number(s): "559608682"

Test #30:

score: 0
Accepted
time: 270ms
memory: 3732kb

input:

3 926933113 6
4 600105 859154928
24 395570 903534782
9 869027 266882176

output:

586077830

result:

ok 1 number(s): "586077830"

Test #31:

score: 0
Accepted
time: 348ms
memory: 3760kb

input:

4 1018608697 6
28 136320 512857858
2 391617 1018608696
2 416876 1018608696
8 640950 421343802

output:

275871736

result:

ok 1 number(s): "275871736"

Test #32:

score: 0
Accepted
time: 263ms
memory: 3688kb

input:

5 909759601 6
10 839897 853552356
2 969093 909759600
4 795795 674156232
2 423545 909759600
6 600787 419741593

output:

241411297

result:

ok 1 number(s): "241411297"

Test #33:

score: 0
Accepted
time: 409ms
memory: 3716kb

input:

4 998016823 6
27 155873 262940187
2 158035 998016822
9 202421 553668428
2 21539 998016822

output:

118420215

result:

ok 1 number(s): "118420215"

Test #34:

score: 0
Accepted
time: 388ms
memory: 3736kb

input:

4 910702297 6
3 890425 906157449
24 469847 206340805
2 422607 910702296
7 67244 714860697

output:

836808927

result:

ok 1 number(s): "836808927"

Test #35:

score: 0
Accepted
time: 2652ms
memory: 3736kb

input:

2 965490689 6
4 468310 246473372
256 256288 754419658

output:

20502222

result:

ok 1 number(s): "20502222"

Subtask #7:

score: 0
Time Limit Exceeded

Dependency #6:

100%
Accepted

Test #36:

score: 0
Time Limit Exceeded

input:

4 1040169409 7
2 835454 1040169408
3 772774 636723579
4 342482 586400067
192 334236 48598666

output:


result:


Subtask #8:

score: 0
Time Limit Exceeded

Dependency #4:

100%
Accepted

Test #51:

score: 0
Time Limit Exceeded

input:

2 998244353 8
229376 553453 626702417
2 148397 998244352

output:


result:


Subtask #9:

score: 0
Skipped

Dependency #8:

0%

Subtask #10:

score: 0
Time Limit Exceeded

Dependency #5:

100%
Accepted

Test #71:

score: 0
Time Limit Exceeded

input:

15 969740263 10
2 373621 969740262
2 946569 969740262
2 253224 969740262
2 664561 969740262
2 611912 969740262
2 204304 969740262
2 746434 969740262
2 336578 969740262
2 200784 969740262
2 557632 969740262
2 651211 969740262
2 559106 969740262
2 610198 969740262
2 799763 969740262
2 908557 969740262

output:


result:


Subtask #11:

score: 0
Skipped

Dependency #10:

0%

Subtask #12:

score: 0
Skipped

Dependency #7:

0%