結果

問題 No.1049 Zero (Exhaust)
ユーザー wotsushiwotsushi
提出日時 2020-05-08 22:01:46
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 22 ms / 2,000 ms
コード長 5,110 bytes
コンパイル時間 2,298 ms
コンパイル使用メモリ 194,728 KB
最終ジャッジ日時 2025-01-10 08:42:43
ジャッジサーバーID
(参考情報)
judge1 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 22
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#pragma region template 2.4
#include <bits/stdc++.h>
using namespace std;
template <typename T>
using pq_asc = priority_queue<T, vector<T>, greater<T>>;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef pair<ll, ll> ii;
typedef vector<ii> vii;
typedef vector<string> vs;
#define REP(i, n) for (ll i = 0; i < (n); ++i)
#define REP1(i, n) for (ll i = 1; i <= (n); ++i)
#define FOR(i, a) for (auto &i : a)
#define CH(f, x, y) x = f(x, y)
#define IN(T, x) \
T x; \
cin >> x;
#define AIN(T, a, n) \
vector<T> a(n); \
FOR(i, a) \
cin >> i;
#define A2IN(T1, a, T2, b, n) \
vector<T1> a(n); \
vector<T2> b(n); \
REP(i, n) \
cin >> a[i] >> b[i];
#define OUT(x) cout << (x) << endl;
#define FOUT(x) cout << fixed << setprecision(15) << (x) << endl;
#define ALL(a) (a).begin(), (a).end()
#define SORT(a) sort(ALL(a))
#define RSORT(a) \
SORT(a); \
reverse(ALL(a))
#define DUMP(x) cout << #x << " = " << (x) << endl;
#define DUMPA(a) \
cout << #a << " = {"; \
JOUT(ALL(a), ", ", cout) << "}" << endl;
template <typename T>
ostream &JOUT(T s, T e, string sep = " ", ostream &os = cout)
{
if (s != e)
{
os << *s;
++s;
}
while (s != e)
{
os << sep << *s;
++s;
}
return os;
}
ostream &YES(bool cond, string yes = "Yes", string no = "No", ostream &os = cout)
{
if (cond)
{
os << yes << endl;
}
else
{
os << no << endl;
}
return os;
}
template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p)
{
os << '(' << p.first << ", " << p.second << ')';
return os;
}
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v)
{
os << '[';
JOUT(ALL(v), ", ", os) << ']';
return os;
}
const ll INF = 1e18;
const ll MOD = 1e9 + 7;
#pragma endregion template
#pragma region mint 1.1
struct mint
{
ll a;
mint(ll a = 0) : a((a % MOD + MOD) % MOD) {}
mint pow(ll y)
{
ll exp = y;
mint res = 1;
mint p = a;
while (exp)
{
if (exp & 1)
{
res *= p;
}
exp >>= 1;
p *= p;
}
return res;
}
mint pow(mint y)
{
return pow(y.a);
}
mint &operator+=(ll y)
{
*this = a + y;
return *this;
}
mint &operator+=(mint y)
{
*this += y.a;
return *this;
}
mint &operator-=(ll y)
{
*this = a - y;
return *this;
}
mint &operator-=(mint y)
{
*this -= y.a;
return *this;
}
mint &operator*=(ll y)
{
*this = a * y;
return *this;
}
mint &operator*=(mint y)
{
*this *= y.a;
return *this;
}
mint &operator/=(ll y)
{
*this *= mint(y).pow(MOD - 2);
return *this;
}
mint &operator/=(const mint y)
{
*this /= y.a;
return *this;
}
mint &operator++()
{
*this += 1;
return *this;
}
mint &operator++(int)
{
*this += 1;
return *this;
}
mint &operator--()
{
*this -= 1;
return *this;
}
mint &operator--(int)
{
*this -= 1;
return *this;
}
};
mint operator+(const mint &x, const mint &y)
{
return mint(x.a) += y;
}
mint operator+(const mint &x, const ll &y)
{
return mint(x.a) += y;
}
mint operator+(const ll &x, mint &y)
{
return mint(x) += y;
}
mint operator-(const mint &x, const mint &y)
{
return mint(x.a) -= y;
}
mint operator-(const mint &x, const ll &y)
{
return mint(x.a) -= y;
}
mint operator-(const ll &x, const mint &y)
{
return mint(x) -= y;
}
mint operator*(const mint &x, const mint &y)
{
return mint(x.a) *= y;
}
mint operator*(const mint &x, const ll &y)
{
return mint(x.a) *= y;
}
mint operator*(const ll &x, const mint &y)
{
return mint(x) *= y;
}
mint operator/(const mint &x, const mint &y)
{
return mint(x.a) /= y;
}
mint operator/(const mint &x, const ll &y)
{
return mint(x.a) /= y;
}
mint operator/(const ll &x, const mint &y)
{
return mint(x) /= y;
}
bool operator==(const mint &x, const mint &y)
{
return x.a == y.a;
}
bool operator==(const mint &x, const ll &y)
{
return x.a == y;
}
bool operator==(const ll &x, mint &y)
{
return x == y.a;
}
bool operator!=(const mint &x, const mint &y)
{
return !(x == y);
}
bool operator!=(const mint &x, const ll &y)
{
return !(x == y);
}
bool operator!=(const ll &x, mint &y)
{
return !(x == y);
}
istream &operator>>(istream &is, mint &i)
{
is >> i.a;
return is;
}
ostream &operator<<(ostream &os, const mint &i)
{
os << i.a;
return os;
}
typedef vector<mint> vm;
#pragma endregion mint
int main()
{
IN(ll, P);
IN(ll, K);
mint x = 1;
mint y = 0;
REP(i, K)
{
mint tmp = (P + 1) * x + 2 * y;
y = (P - 1) * x + 2 * (P - 1) * y;
x = tmp;
}
OUT(x);
}
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