結果
問題 | No.1049 Zero (Exhaust) |
ユーザー | yukinon0808 |
提出日時 | 2020-05-08 21:59:48 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 181 ms / 2,000 ms |
コード長 | 3,999 bytes |
コンパイル時間 | 1,530 ms |
コンパイル使用メモリ | 167,412 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-04 00:39:29 |
合計ジャッジ時間 | 4,711 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 120 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 97 ms
6,940 KB |
testcase_06 | AC | 180 ms
6,940 KB |
testcase_07 | AC | 20 ms
6,940 KB |
testcase_08 | AC | 50 ms
6,940 KB |
testcase_09 | AC | 133 ms
6,940 KB |
testcase_10 | AC | 145 ms
6,944 KB |
testcase_11 | AC | 146 ms
6,944 KB |
testcase_12 | AC | 170 ms
6,944 KB |
testcase_13 | AC | 36 ms
6,940 KB |
testcase_14 | AC | 73 ms
6,948 KB |
testcase_15 | AC | 123 ms
6,940 KB |
testcase_16 | AC | 98 ms
6,944 KB |
testcase_17 | AC | 103 ms
6,944 KB |
testcase_18 | AC | 149 ms
6,940 KB |
testcase_19 | AC | 124 ms
6,940 KB |
testcase_20 | AC | 49 ms
6,944 KB |
testcase_21 | AC | 127 ms
6,940 KB |
testcase_22 | AC | 70 ms
6,944 KB |
testcase_23 | AC | 180 ms
6,940 KB |
testcase_24 | AC | 181 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for (int i=0; i<(n); ++i) #define RREP(i, n) for (int i=(int)(n)-1; i>=0; --i) #define FOR(i, a, n) for (int i=(a); i<(n); ++i) #define RFOR(i, a, n) for (int i=(int)(n)-1; i>=(a); --i) #define SZ(x) ((int)(x).size()) #define ALL(x) (x).begin(),(x).end() #define DUMP(x) cerr<<#x<<" = "<<(x)<<endl #define DEBUG(x) cerr<<#x<<" = "<<(x)<<" (L"<<__LINE__<<")"<<endl; template<class T> ostream &operator<<(ostream &os, const vector <T> &v) { os << "["; REP(i, SZ(v)) { if (i) os << ", "; os << v[i]; } return os << "]"; } template<class T, class U> ostream &operator<<(ostream &os, const pair <T, U> &p) { return os << "(" << p.first << " " << p.second << ")"; } template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } using ll = long long; using ull = unsigned long long; using ld = long double; using P = pair<int, int>; using vi = vector<int>; using vll = vector<ll>; using vvi = vector<vi>; using vvll = vector<vll>; const ll MOD = 1e9 + 7; const int INF = INT_MAX / 2; const ll LINF = LLONG_MAX / 2; const ld eps = 1e-9; template<int64_t mod> struct modint { using LL = int64_t; LL val; modint(LL val=0) : val(((val % mod) + mod) % mod) {} const modint operator+() const { return *this; } const modint operator-() const { return (-val + mod) % mod; } const modint inv() const { return pow(mod-2); } modint& operator+=(const modint& rhs) { (val += rhs.val) %= mod; return *this; } modint& operator-=(const modint& rhs) { return *this += -rhs; } modint& operator*=(const modint& rhs) { (val *= rhs.val) %= mod; return *this; } modint& operator/=(const modint& rhs) { return *this *= rhs.inv(); } const modint operator+(const modint& rhs) const { return modint(*this) += rhs; } const modint operator-(const modint& rhs) const { return modint(*this) -= rhs; } const modint operator*(const modint& rhs) const { return modint(*this) *= rhs; } const modint operator/(const modint& rhs) const { return modint(*this) /= rhs; } const modint pow(LL n) const { modint ret = 1, tmp = val; while (n) { if (n & 1) ret *= tmp; tmp *= tmp; n >>= 1; } return ret; } bool operator==(const modint& rhs) const { return val == rhs.val; } bool operator!=(const modint& rhs) const { return !(*this == rhs); } friend const modint operator+(const LL& lhs, const modint& rhs) { return modint(lhs) + rhs; } friend const modint operator-(const LL& lhs, const modint& rhs) { return modint(lhs) - rhs; } friend const modint operator*(const LL& lhs, const modint& rhs) { return modint(lhs) * rhs; } friend const modint operator/(const LL& lhs, const modint& rhs) { return modint(lhs) / rhs; } friend bool operator==(const LL& lhs, const modint& rhs) { return modint(lhs) == rhs; } friend bool operator!=(const LL& lhs, const modint& rhs) { return modint(lhs) != rhs; } friend ostream& operator<<(ostream& os, const modint& a) { return os << a.val; } friend istream& operator>>(istream& is, modint& a) { LL tmp; is >> tmp; a = tmp; return is; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); // ifstream in("in.txt"); // cin.rdbuf(in.rdbuf()); ll P, K; cin >> P >> K; using Int = modint<MOD>; Int ans = Int{2 * P}.pow(K); REP(i, K) { ans -= Int{2 * P}.pow(i) * Int{P - 1}.pow(K - i); } cout << ans << endl; return 0; }