結果
| 問題 |
No.434 占い
|
| コンテスト | |
| ユーザー |
commy
|
| 提出日時 | 2020-04-07 00:45:37 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 129 ms / 2,000 ms |
| コード長 | 4,636 bytes |
| コンパイル時間 | 918 ms |
| コンパイル使用メモリ | 78,676 KB |
| 最終ジャッジ日時 | 2025-01-09 14:48:23 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 27 |
ソースコード
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <numeric>
#include <utility>
#include <tuple>
#define REP(i, a, b) for (int i = int(a); i < int(b); i++)
using namespace std;
using ll = long long int;
// clang-format off
#ifdef _DEBUG_
#define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; PPPPP(__VA_ARGS__); cerr << endl; } while(false)
template<typename T> void PPPPP(T t) { cerr << t; }
template<typename T, typename... S> void PPPPP(T t, S... s) { cerr << t << ", "; PPPPP(s...); }
#else
#define dump(...) do{ } while(false)
#endif
template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); }
template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); }
template<typename T> bool chmin(T &a, T b) { if (a > b) {a = b; return true; } return false; }
template<typename T> bool chmax(T &a, T b) { if (a < b) {a = b; return true; } return false; }
template<typename T> void print(T a) { cout << a << endl; }
template<typename T, typename... Ts> void print(T a, Ts... ts) { cout << a << ' '; print(ts...); }
template<typename T> istream &operator,(istream &in, T &t) { return in >> t; }
// clang-format on
template<ll MOD = 9>
class ModInt {
ModInt constexpr inverse() const {
return ModInt::pow(*this, 5);
}
public:
ll n;
ModInt()
: n(0) {}
ModInt(ll _n)
: n(((_n % MOD) + MOD) % MOD) {}
ModInt operator+=(const ModInt &m) {
n += m.n;
if (n >= MOD) n -= MOD;
return *this;
}
ModInt operator-=(const ModInt &m) {
n -= m.n;
if (n < 0) n += MOD;
return *this;
}
ModInt operator*=(const ModInt &m) {
n *= m.n;
if (n >= MOD) n %= MOD;
return *this;
}
ModInt operator/=(const ModInt &m) {
(*this) *= m.inverse();
return *this;
}
friend ModInt operator+(ModInt t, const ModInt &m) {
return t += m;
}
friend ModInt operator-(ModInt t, const ModInt &m) {
return t -= m;
}
friend ModInt operator*(ModInt t, const ModInt &m) {
return t *= m;
}
friend ModInt operator/(ModInt t, const ModInt &m) {
return t /= m;
}
ModInt operator=(const ll l) {
n = l % MOD;
if (n < 0) n += MOD;
return *this;
}
friend ostream &operator<<(ostream &out, const ModInt &m) {
out << m.n;
return out;
}
friend istream &operator>>(istream &in, ModInt &m) {
ll l;
in >> l;
m = l;
return in;
}
static constexpr ModInt pow(const ModInt x, ll p) {
ModInt<MOD> ans = 1;
for (ModInt<MOD> m = x; p > 0; p /= 2, m *= m) {
if (p % 2) ans *= m;
}
return ans;
}
};
using mint = ModInt<>;
mint operator"" _m(unsigned long long m) {
return mint(m);
}
class P {
public:
mint n;
ll modcnt;
P()
: n(0), modcnt(0) {}
P(mint _n, ll m)
: n(_n), modcnt(m) {}
friend P operator*(P p1, const P &p2) {
p1.n *= p2.n;
p1.modcnt += p2.modcnt;
return p1;
}
friend P operator/(P p1, const P &p2) {
p1.n /= p2.n;
p1.modcnt -= p2.modcnt;
return p1;
}
static P convert(ll t) {
if (t == 0) {
return P(0, 0);
} else {
P p;
while (t % 3 == 0) {
p.modcnt++;
t /= 3;
}
p.n = t;
return p;
}
}
static void print(const P &p) {
ll ans = 0;
if (p.modcnt >= 2) {
ans = 0;
} else if (p.modcnt == 1) {
ans = (p.n * 3).n;
} else {
ans = p.n.n;
}
if (ans == 0) ans = 9;
cout << ans << endl;
}
};
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
int t;
cin, t;
constexpr int SZ = 100010;
vector<P> fact(SZ, {1, 0});
REP(i, 1, SZ) {
fact[i] = fact[i - 1] * P::convert(i);
}
REP(_, 0, t) {
string s;
cin, s;
int n = s.size();
if (s == string(n, '0')) {
cout << 0 << endl;
} else {
mint ans = 0;
REP(i, 0, n) {
P p = P::convert(s[i] - '0') * fact[n - 1] / fact[i] / fact[n - i - 1];
ans += p.n * mint::pow(3, p.modcnt);
}
if (ans.n == 0) {
cout << 9 << endl;
} else {
cout << ans << endl;
}
}
}
return 0;
}
commy