結果
問題 | No.766 金魚すくい |
ユーザー | FF256grhy |
提出日時 | 2018-12-14 00:45:22 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 130 ms / 1,500 ms |
コード長 | 4,353 bytes |
コンパイル時間 | 1,667 ms |
コンパイル使用メモリ | 172,912 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-25 04:50:49 |
合計ジャッジ時間 | 5,308 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
6,812 KB |
testcase_01 | AC | 3 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 4 ms
6,940 KB |
testcase_14 | AC | 4 ms
6,944 KB |
testcase_15 | AC | 4 ms
6,940 KB |
testcase_16 | AC | 5 ms
6,940 KB |
testcase_17 | AC | 4 ms
6,940 KB |
testcase_18 | AC | 4 ms
6,940 KB |
testcase_19 | AC | 4 ms
6,940 KB |
testcase_20 | AC | 4 ms
6,940 KB |
testcase_21 | AC | 4 ms
6,940 KB |
testcase_22 | AC | 4 ms
6,940 KB |
testcase_23 | AC | 122 ms
6,940 KB |
testcase_24 | AC | 125 ms
6,944 KB |
testcase_25 | AC | 130 ms
6,940 KB |
testcase_26 | AC | 122 ms
6,940 KB |
testcase_27 | AC | 128 ms
6,944 KB |
testcase_28 | AC | 122 ms
6,944 KB |
testcase_29 | AC | 121 ms
6,940 KB |
testcase_30 | AC | 122 ms
6,940 KB |
testcase_31 | AC | 129 ms
6,944 KB |
testcase_32 | AC | 123 ms
6,944 KB |
testcase_33 | AC | 81 ms
6,940 KB |
testcase_34 | AC | 80 ms
6,944 KB |
testcase_35 | AC | 48 ms
6,944 KB |
testcase_36 | AC | 45 ms
6,940 KB |
testcase_37 | AC | 124 ms
6,944 KB |
testcase_38 | AC | 125 ms
6,940 KB |
testcase_39 | AC | 126 ms
6,948 KB |
testcase_40 | AC | 122 ms
6,940 KB |
testcase_41 | AC | 101 ms
6,940 KB |
testcase_42 | AC | 99 ms
6,944 KB |
testcase_43 | AC | 2 ms
6,940 KB |
testcase_44 | AC | 3 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long signed int LL; typedef long long unsigned int LU; #define incID(i, l, r) for(int i = (l) ; i < (r); i++) #define incII(i, l, r) for(int i = (l) ; i <= (r); i++) #define decID(i, l, r) for(int i = (r) - 1; i >= (l); i--) #define decII(i, l, r) for(int i = (r) ; i >= (l); i--) #define inc(i, n) incID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec(i, n) decID(i, 0, n) #define dec1(i, n) decII(i, 1, n) #define inII(v, l, r) ((l) <= (v) && (v) <= (r)) #define inID(v, l, r) ((l) <= (v) && (v) < (r)) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define PQ priority_queue #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define FOR(it, v) for(auto it = v.begin(); it != v.end(); ++it) #define RFOR(it, v) for(auto it = v.rbegin(); it != v.rend(); ++it) template<typename T> bool setmin(T & a, T b) { if(b < a) { a = b; return true; } else { return false; } } template<typename T> bool setmax(T & a, T b) { if(b > a) { a = b; return true; } else { return false; } } template<typename T> bool setmineq(T & a, T b) { if(b <= a) { a = b; return true; } else { return false; } } template<typename T> bool setmaxeq(T & a, T b) { if(b >= a) { a = b; return true; } else { return false; } } template<typename T> T gcd(T a, T b) { return (b == 0 ? a : gcd(b, a % b)); } template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } // ---- ---- template<int N = 0> class ModInt { private: LL v = 0; static LL m; public: ModInt() { } ModInt(LL vv) { setval(vv); } ModInt & setval(LL vv) { v = vv % m; if(v < 0) { v += m; } return (*this); } static void setmod(LL mm) { m = mm; } LL getval() const { return v; } ModInt & operator+=(const ModInt & b) { return setval(v + b.v); } ModInt & operator-=(const ModInt & b) { return setval(v - b.v); } ModInt & operator*=(const ModInt & b) { return setval(v * b.v); } ModInt & operator/=(const ModInt & b) { return setval(v * b.inv()); } ModInt & operator^=( LU b) { return setval(ex(v, b)); } ModInt operator+ ( ) const { return ModInt(+v); } ModInt operator- ( ) const { return ModInt(-v); } ModInt operator+ (const ModInt & b) const { return ModInt(v + b.v); } ModInt operator- (const ModInt & b) const { return ModInt(v - b.v); } ModInt operator* (const ModInt & b) const { return ModInt(v * b.v); } ModInt operator/ (const ModInt & b) const { return ModInt(v * b.inv()); } ModInt operator^ ( LU b) const { return ModInt(ex(v, b)); } LL inv() const { LL x = (ex_gcd(v, m).FI + m) % m; assert(v * x % m == 1); return x; } LL ex(LL a, LU b) const { LL D = 64, x[64], y = 1; inc(i, D) { if((b >> i) == 0) { D = i; break; } } inc(i, D) { x[i] = (i == 0 ? a : x[i - 1] * x[i - 1]) % m; } inc(i, D) { if((b >> i) & 1) { (y *= x[i]) %= m; } } return y; } pair<LL, LL> ex_gcd(LL a, LL b) const { if(b == 0) { return MP(1, 0); } auto p = ex_gcd(b, a % b); return MP(p.SE, p.FI - (a / b) * p.SE); } }; template<int N> LL ModInt<N>::m; template<int N> ModInt<N> operator+(LL a, const ModInt<N> & b) { return b + a; } template<int N> ModInt<N> operator-(LL a, const ModInt<N> & b) { return -b + a; } template<int N> ModInt<N> operator*(LL a, const ModInt<N> & b) { return b * a; } template<int N> ModInt<N> operator/(LL a, const ModInt<N> & b) { return a * b.inv(); } template<int N> istream & operator>>(istream & is, ModInt<N> & b) { LL v; is >> v; b.setval(v); return is; } template<int N> ostream & operator<<(ostream & os, const ModInt<N> & b) { return (os << b.getval()); } // ---- ---- int n, m, p, v[100001]; int main() { cin >> n >> m >> p; inc(i, n) { cin >> v[i]; } sort(v, v + n); reverse(v, v + n); ModInt<>::setmod(1e9 + 7); ModInt<> s = 0, h[100002], P = 1, Q = 1, ans = 0, H = 1; incII(i, 0, n + 1) { if(i <= 1) { h[i] = i; } else { h[i] = h[i - 1] * (m + i - 1) / (i - 1); } } inc(i, m) { P *= p; P /= 100; } inc(i, n) { ans += s * (h[i + 1] - h[i]) * P * Q; s += v[i]; Q *= 100 - p; Q /= 100; } P = 1; inc(j, m) { ans += s * H * P * Q; H *= n + j; H /= j + 1; P *= p; P /= 100; } cout << ans << endl; return 0; }