結果
問題 | No.1049 Zero (Exhaust) |
ユーザー | penguinshunya |
提出日時 | 2020-05-08 21:56:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 20 ms / 2,000 ms |
コード長 | 3,082 bytes |
コンパイル時間 | 1,926 ms |
コンパイル使用メモリ | 201,636 KB |
実行使用メモリ | 11,348 KB |
最終ジャッジ日時 | 2024-07-04 00:37:08 |
合計ジャッジ時間 | 3,022 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 5 ms
11,228 KB |
testcase_01 | AC | 4 ms
11,152 KB |
testcase_02 | AC | 4 ms
11,348 KB |
testcase_03 | AC | 14 ms
11,312 KB |
testcase_04 | AC | 4 ms
11,156 KB |
testcase_05 | AC | 13 ms
11,208 KB |
testcase_06 | AC | 20 ms
11,180 KB |
testcase_07 | AC | 7 ms
11,116 KB |
testcase_08 | AC | 8 ms
11,132 KB |
testcase_09 | AC | 16 ms
11,276 KB |
testcase_10 | AC | 17 ms
11,164 KB |
testcase_11 | AC | 17 ms
11,160 KB |
testcase_12 | AC | 19 ms
11,268 KB |
testcase_13 | AC | 7 ms
11,316 KB |
testcase_14 | AC | 11 ms
11,160 KB |
testcase_15 | AC | 16 ms
11,156 KB |
testcase_16 | AC | 12 ms
11,184 KB |
testcase_17 | AC | 13 ms
11,128 KB |
testcase_18 | AC | 17 ms
11,260 KB |
testcase_19 | AC | 15 ms
11,144 KB |
testcase_20 | AC | 10 ms
11,192 KB |
testcase_21 | AC | 15 ms
11,248 KB |
testcase_22 | AC | 10 ms
11,204 KB |
testcase_23 | AC | 20 ms
11,260 KB |
testcase_24 | AC | 18 ms
11,300 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < int(n); i++) #define rrep(i, n) for (int i = int(n) - 1; i >= 0; i--) #define reps(i, n) for (int i = 1; i <= int(n); i++) #define rreps(i, n) for (int i = int(n); i >= 1; i--) #define repc(i, n) for (int i = 0; i <= int(n); i++) #define rrepc(i, n) for (int i = int(n); i >= 0; i--) #define repi(i, a, b) for (int i = int(a); i < int(b); i++) #define repic(i, a, b) for (int i = int(a); i <= int(b); i++) #define each(x, y) for (auto &x : y) #define all(a) (a).begin(), (a).end() #define bit32(x) (1 << (x)) #define bit64(x) (1ll << (x)) #define sz(v) ((int) v.size()) using namespace std; using i64 = long long; using f80 = long double; using vi32 = vector<int>; using vi64 = vector<i64>; using vf80 = vector<f80>; using vstr = vector<string>; inline void yes() { cout << "Yes" << endl; exit(0); } inline void no() { cout << "No" << endl; exit(0); } inline i64 gcd(i64 a, i64 b) { if (min(a, b) == 0) return max(a, b); if (a % b == 0) return b; return gcd(b, a % b); } inline i64 lcm(i64 a, i64 b) { if (min(a, b) == 0) return max(a, b); return a / gcd(a, b) * b; } template <typename T> class pqasc : public priority_queue<T, vector<T>, greater<T>> {}; template <typename T> class pqdesc : public priority_queue<T, vector<T>, less<T>> {}; template <typename T> inline void amax(T &x, T y) { x = max(x, y); } template <typename T> inline void amin(T &x, T y) { x = min(x, y); } template <typename T> inline T exp(T x, i64 n, T e = 1) { T r = e; while (n > 0) { if (n & 1) r *= x; x *= x; n >>= 1; } return r; } template <typename T> istream& operator>>(istream &is, vector<T> &v) { each(x, v) is >> x; return is; } template <typename T> ostream& operator<<(ostream &os, vector<T> &v) { rep(i, v.size()) { if (i) os << ' '; os << v[i]; } return os; } void solve(); int main() { ios::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(16); solve(); return 0; } template <int mod> struct ModInt { int x; ModInt(): x(0) {} ModInt(long long a) { x = a % mod; if (x < 0) x += mod; } ModInt &operator+=(ModInt that) { x = (x + that.x) % mod; return *this; } ModInt &operator-=(ModInt that) { x = (x + mod - that.x) % mod; return *this; } ModInt &operator*=(ModInt that) { x = (long long) x * that.x % mod; return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt inverse() { int a = x, b = mod, u = 1, v = 0; while (b) { int t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); } return ModInt(u); } #define op(o, p) ModInt operator o(ModInt that) { return ModInt(*this) p that; } op(+, +=) op(-, -=) op(*, *=) op(/, /=) #undef op friend ostream& operator<<(ostream &os, ModInt m) { return os << m.x; } }; using mint = ModInt<1000000007>; mint dp[1000001][2]; void solve() { int p, k; cin >> p >> k; dp[0][0] = 1; rep(i, k) { dp[i + 1][0] += dp[i][0] * (p + 1); dp[i + 1][1] += dp[i][0] * (p - 1); dp[i + 1][0] += dp[i][1] * 2; dp[i + 1][1] += dp[i][1] * (2 * p - 2); } cout << dp[k][0] << endl; }