結果
問題 | No.1049 Zero (Exhaust) |
ユーザー | paruki |
提出日時 | 2021-07-07 17:12:01 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 18 ms / 2,000 ms |
コード長 | 2,697 bytes |
コンパイル時間 | 2,033 ms |
コンパイル使用メモリ | 203,096 KB |
実行使用メモリ | 11,324 KB |
最終ジャッジ日時 | 2024-07-01 12:21:57 |
合計ジャッジ時間 | 3,297 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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
11,120 KB |
testcase_01 | AC | 5 ms
11,136 KB |
testcase_02 | AC | 5 ms
11,212 KB |
testcase_03 | AC | 13 ms
11,148 KB |
testcase_04 | AC | 5 ms
11,128 KB |
testcase_05 | AC | 12 ms
11,220 KB |
testcase_06 | AC | 18 ms
11,256 KB |
testcase_07 | AC | 6 ms
11,188 KB |
testcase_08 | AC | 8 ms
11,148 KB |
testcase_09 | AC | 14 ms
11,216 KB |
testcase_10 | AC | 15 ms
11,164 KB |
testcase_11 | AC | 15 ms
11,124 KB |
testcase_12 | AC | 16 ms
11,268 KB |
testcase_13 | AC | 7 ms
11,128 KB |
testcase_14 | AC | 10 ms
11,280 KB |
testcase_15 | AC | 13 ms
11,324 KB |
testcase_16 | AC | 11 ms
11,292 KB |
testcase_17 | AC | 12 ms
11,312 KB |
testcase_18 | AC | 15 ms
11,300 KB |
testcase_19 | AC | 13 ms
11,176 KB |
testcase_20 | AC | 8 ms
11,224 KB |
testcase_21 | AC | 14 ms
11,128 KB |
testcase_22 | AC | 9 ms
11,276 KB |
testcase_23 | AC | 17 ms
11,184 KB |
testcase_24 | AC | 17 ms
11,212 KB |
ソースコード
#define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define MT make_tuple #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)<<endl #define smax(x,y) (x)=max((x),(y)) #define smin(x,y) (x)=min((x),(y)) #define MEM(x,y) memset((x),(y),sizeof (x)) #define sz(x) (int)(x).size() #define RT return using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vll = vector<ll>; template<int MOD> class ModInt { public: ModInt() :value(0) {} ModInt(long long val) :value((int)(val < 0 ? MOD + val % MOD : val % MOD)) { } ModInt& operator+=(ModInt that) { value = value + that.value; if (value >= MOD)value -= MOD; return *this; } ModInt& operator-=(ModInt that) { value -= that.value; if (value < 0)value += MOD; return *this; } ModInt& operator*=(ModInt that) { value = (int)((long long)value * that.value % MOD); return *this; } ModInt& operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt pow(long long k) const { ModInt n = *this, res = 1; if (k < 0) { k = -k; n = n.inverse(); } while (k) { if (k & 1)res *= n; n *= n; k >>= 1; } return res; } ModInt inverse() const { long long a = value, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } int toi() const { return value; } private: int value; }; typedef ModInt<1000000007> mint; ostream& operator<<(ostream & os, const mint & x) { os << x.toi(); return os; } mint dp[(int)1e6 + 10][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] * 2; dp[i + 1][1] = dp[i][0] * (P - 1) + dp[i][1] * 2 * (P - 1); } cout << dp[K][0] << endl; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); solve(); return 0; }