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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#208331#7562. Except Onehos_lyricAC ✓1ms3848kbC++144.2kb2023-10-09 13:52:442023-10-09 13:52:45

Judging History

你现在查看的是最新测评结果

  • [2023-10-09 13:52:45]
  • 评测
  • 测评结果:AC
  • 用时:1ms
  • 内存:3848kb
  • [2023-10-09 13:52:44]
  • 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 <random>
#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!!!
////////////////////////////////////////////////////////////////////////////////


// (1 - x^(P-1)) / (1 + K x)

int main() {
  int P, K, T;
  for (; ~scanf("%d%d%d", &P, &K, &T); ) {
    ModInt::setM(P);
    const ModInt ans = ModInt(-K).pow(T);
    printf("%u\n", ans.x);
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3576kb

input:

7 5 3

output:

1

result:

ok 1 number(s): "1"

Test #2:

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

input:

11 6 7

output:

3

result:

ok 1 number(s): "3"

Test #3:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

3 2 1

output:

1

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

596620183 516846890 38276329

output:

135352707

result:

ok 1 number(s): "135352707"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

382744931 85302262 235496559

output:

14577469

result:

ok 1 number(s): "14577469"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

659446013 641119314 378275666

output:

290624162

result:

ok 1 number(s): "290624162"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

227 163 124

output:

189

result:

ok 1 number(s): "189"

Test #8:

score: 0
Accepted
time: 1ms
memory: 3608kb

input:

197 187 19

output:

62

result:

ok 1 number(s): "62"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

5 3 3

output:

3

result:

ok 1 number(s): "3"

Test #10:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

7 6 4

output:

1

result:

ok 1 number(s): "1"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

7 1 1

output:

6

result:

ok 1 number(s): "6"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3540kb

input:

782371 586755 418517

output:

298550

result:

ok 1 number(s): "298550"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

181081 178315 76002

output:

125177

result:

ok 1 number(s): "125177"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

715019 492103 446729

output:

221541

result:

ok 1 number(s): "221541"

Test #15:

score: 0
Accepted
time: 1ms
memory: 3840kb

input:

238985261 199832612 162675695

output:

65826267

result:

ok 1 number(s): "65826267"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

129716453 10994076 62963738

output:

5186275

result:

ok 1 number(s): "5186275"

Test #17:

score: 0
Accepted
time: 1ms
memory: 3608kb

input:

962360593 652577122 345596237

output:

814039152

result:

ok 1 number(s): "814039152"

Test #18:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

871606937 839183139 754188014

output:

466391387

result:

ok 1 number(s): "466391387"

Test #19:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

275568091 270750503 241146839

output:

252569968

result:

ok 1 number(s): "252569968"

Test #20:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

562028473 111749710 450258818

output:

63116256

result:

ok 1 number(s): "63116256"