結果
問題 | No.1151 チャレンジゲーム |
ユーザー | heno239 |
提出日時 | 2020-08-07 22:18:30 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 36 ms / 2,000 ms |
コード長 | 4,655 bytes |
コンパイル時間 | 1,059 ms |
コンパイル使用メモリ | 114,972 KB |
実行使用メモリ | 21,232 KB |
最終ジャッジ日時 | 2024-09-24 20:44:27 |
合計ジャッジ時間 | 3,446 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 3 ms
8,536 KB |
testcase_01 | AC | 4 ms
9,480 KB |
testcase_02 | AC | 3 ms
9,156 KB |
testcase_03 | AC | 4 ms
9,208 KB |
testcase_04 | AC | 3 ms
8,436 KB |
testcase_05 | AC | 3 ms
8,800 KB |
testcase_06 | AC | 3 ms
8,520 KB |
testcase_07 | AC | 3 ms
8,476 KB |
testcase_08 | AC | 4 ms
8,396 KB |
testcase_09 | AC | 3 ms
8,868 KB |
testcase_10 | AC | 3 ms
8,884 KB |
testcase_11 | AC | 4 ms
9,760 KB |
testcase_12 | AC | 3 ms
7,996 KB |
testcase_13 | AC | 14 ms
14,428 KB |
testcase_14 | AC | 13 ms
14,524 KB |
testcase_15 | AC | 13 ms
15,040 KB |
testcase_16 | AC | 14 ms
14,592 KB |
testcase_17 | AC | 14 ms
14,428 KB |
testcase_18 | AC | 14 ms
14,736 KB |
testcase_19 | AC | 14 ms
15,892 KB |
testcase_20 | AC | 12 ms
14,748 KB |
testcase_21 | AC | 12 ms
14,920 KB |
testcase_22 | AC | 13 ms
14,708 KB |
testcase_23 | AC | 13 ms
14,580 KB |
testcase_24 | AC | 12 ms
14,368 KB |
testcase_25 | AC | 12 ms
15,712 KB |
testcase_26 | AC | 13 ms
14,500 KB |
testcase_27 | AC | 14 ms
14,372 KB |
testcase_28 | AC | 32 ms
20,216 KB |
testcase_29 | AC | 29 ms
19,424 KB |
testcase_30 | AC | 31 ms
19,560 KB |
testcase_31 | AC | 27 ms
19,904 KB |
testcase_32 | AC | 32 ms
19,620 KB |
testcase_33 | AC | 32 ms
19,572 KB |
testcase_34 | AC | 30 ms
19,608 KB |
testcase_35 | AC | 33 ms
19,640 KB |
testcase_36 | AC | 34 ms
19,488 KB |
testcase_37 | AC | 33 ms
19,540 KB |
testcase_38 | AC | 31 ms
19,400 KB |
testcase_39 | AC | 30 ms
19,492 KB |
testcase_40 | AC | 34 ms
19,524 KB |
testcase_41 | AC | 27 ms
19,528 KB |
testcase_42 | AC | 33 ms
20,004 KB |
testcase_43 | AC | 30 ms
21,232 KB |
testcase_44 | AC | 26 ms
20,916 KB |
testcase_45 | AC | 34 ms
19,496 KB |
testcase_46 | AC | 36 ms
19,552 KB |
testcase_47 | AC | 31 ms
19,480 KB |
testcase_48 | AC | 11 ms
19,564 KB |
testcase_49 | AC | 11 ms
19,444 KB |
testcase_50 | AC | 26 ms
19,588 KB |
testcase_51 | AC | 35 ms
19,472 KB |
testcase_52 | AC | 34 ms
19,452 KB |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acos(-1.0); ll mod_pow(ll x, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 17; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } int n; vector<int> a; bool used[1 << 10][401][2]; ld memo[1 << 10][401][2]; ld calc(int s, int dif, int id) { if (s == 0) { if (dif > 200)return 1; else if (dif < 200)return 0; else { if (id == 1)return 1; else return 0; } } if (used[s][dif][id])return memo[s][dif][id]; used[s][dif][id] = true; ld res = 0; rep(i, n) { if (s & (1 << i)) { ld mi = INF; rep(j, n)if (s & (1 << j)) { ld p = 1 / (ld)(a[i] - (a[i] - 1) * (a[j] - 1) / (ld)a[j]); ld ex = p * (1 - calc(s ^ (1 << i), 400 - (dif + a[i]), id ^ 1)); ex += (1 - p) * calc(s ^ (1 << j), dif - a[j], id); mi = min(mi, ex); } res = max(res, mi); } } return memo[s][dif][id] = res; } ld dp[1 << 10][401][2]; void solve() { cin >> n; a.resize(n); rep(i, n)cin >> a[i]; ld ans = calc((1 << n) - 1, 200, 0); cout << ans << "\n"; /*rep(i, 401)rep(j, 2) { if (i > 200)dp[0][i][j] = 1; else if (i < 200)dp[0][i][j] = 0; else { if (j == 0)dp[0][i][j] = 0; else dp[0][i][j] = 1; } } rep1(i, (1 << n) - 1)rep(j, 401) { int tmp = 0; rep(j, n)if (i & (1 << j))tmp++; if (j < tmp * 20)continue; if (j > 400 - tmp * 20)continue; //0 ld ma = -1; int chk1 = 0; rep(k, n) { if(i& (1 << k)) { ld p= 1 / (ld)(a[i] - (a[i] - 1) * (a[i] - 1) / (ld)a[i]); ld ex = p * (1 - dp[i ^ (1 << k)][400 - (j + a[i])][1]); ex += (1 - p) * dp[i ^ (1 << k)][j - a[i]][0]; if (ex > ma) { ma = ex; chk1 = k; } } } ma = -1;int chk2 = 0; rep(k, n) { if (i & (1 << k)) { ld p = 1 / (ld)(a[i] - (a[i] - 1) * (a[i] - 1) / (ld)a[i]); ld ex = p * (1 - dp[i ^ (1 << k)][400 - (400-j + a[i])][0]); ex += (1 - p) * dp[i ^ (1 << k)][400-j - a[i]][1]; if (ex > ma) { ma = ex; chk1 = k; } } } ld b = a[chk1], c = a[chk2]; ld p = 1 / (b - (b - 1) * (c - 1) /c); dp[i][j][0]=p*(1-dp[i^(1<<k)][]) }*/ //ld ans = dp[(1 << n) - 1][200][0]; //cout << ans << "\n"; } signed main() { //ios::sync_with_stdio(false); //cin.tie(0); cout << fixed << setprecision(10); //init_f(); //expr(); //int t; cin >> t; rep(i, t) solve(); return 0; }