結果
問題 | No.5020 Averaging |
ユーザー | Pechi |
提出日時 | 2024-02-25 16:18:25 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 956 ms / 1,000 ms |
コード長 | 4,497 bytes |
コンパイル時間 | 3,614 ms |
コンパイル使用メモリ | 231,232 KB |
実行使用メモリ | 6,676 KB |
スコア | 36,557,752 |
最終ジャッジ日時 | 2024-02-25 16:19:19 |
合計ジャッジ時間 | 53,990 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge13 |
純コード判定しない問題か言語 |
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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 | 953 ms
6,676 KB |
testcase_01 | AC | 953 ms
6,676 KB |
testcase_02 | AC | 953 ms
6,676 KB |
testcase_03 | AC | 953 ms
6,676 KB |
testcase_04 | AC | 953 ms
6,676 KB |
testcase_05 | AC | 953 ms
6,676 KB |
testcase_06 | AC | 953 ms
6,676 KB |
testcase_07 | AC | 953 ms
6,676 KB |
testcase_08 | AC | 953 ms
6,676 KB |
testcase_09 | AC | 953 ms
6,676 KB |
testcase_10 | AC | 953 ms
6,676 KB |
testcase_11 | AC | 953 ms
6,676 KB |
testcase_12 | AC | 952 ms
6,676 KB |
testcase_13 | AC | 953 ms
6,676 KB |
testcase_14 | AC | 953 ms
6,676 KB |
testcase_15 | AC | 953 ms
6,676 KB |
testcase_16 | AC | 952 ms
6,676 KB |
testcase_17 | AC | 953 ms
6,676 KB |
testcase_18 | AC | 953 ms
6,676 KB |
testcase_19 | AC | 953 ms
6,676 KB |
testcase_20 | AC | 953 ms
6,676 KB |
testcase_21 | AC | 953 ms
6,676 KB |
testcase_22 | AC | 953 ms
6,676 KB |
testcase_23 | AC | 953 ms
6,676 KB |
testcase_24 | AC | 954 ms
6,676 KB |
testcase_25 | AC | 953 ms
6,676 KB |
testcase_26 | AC | 953 ms
6,676 KB |
testcase_27 | AC | 952 ms
6,676 KB |
testcase_28 | AC | 953 ms
6,676 KB |
testcase_29 | AC | 953 ms
6,676 KB |
testcase_30 | AC | 953 ms
6,676 KB |
testcase_31 | AC | 953 ms
6,676 KB |
testcase_32 | AC | 953 ms
6,676 KB |
testcase_33 | AC | 953 ms
6,676 KB |
testcase_34 | AC | 953 ms
6,676 KB |
testcase_35 | AC | 953 ms
6,676 KB |
testcase_36 | AC | 956 ms
6,676 KB |
testcase_37 | AC | 952 ms
6,676 KB |
testcase_38 | AC | 953 ms
6,676 KB |
testcase_39 | AC | 953 ms
6,676 KB |
testcase_40 | AC | 952 ms
6,676 KB |
testcase_41 | AC | 953 ms
6,676 KB |
testcase_42 | AC | 953 ms
6,676 KB |
testcase_43 | AC | 953 ms
6,676 KB |
testcase_44 | AC | 953 ms
6,676 KB |
testcase_45 | AC | 953 ms
6,676 KB |
testcase_46 | AC | 953 ms
6,676 KB |
testcase_47 | AC | 952 ms
6,676 KB |
testcase_48 | AC | 953 ms
6,676 KB |
testcase_49 | AC | 953 ms
6,676 KB |
ソースコード
#define _USE_MATH_DEFINES #pragma GCC target("avx2") #pragma GCC optimize("O3") #include<bits/stdc++.h> #include<unordered_map> #include<random> #include <array> #include <complex> #include<chrono> using namespace std; #define LP(I,S,G) for (long long int I = (S); I < (G); ++I) #define IN(X) for (int in = 0; in < X.size(); in++)cin >> X[in] #define OUT(X) for (int in = 0; in < X.size(); in++)cout << X[in]<<" " #define SORT(X) sort((X).begin(), (X).end()) #define CSORT(X,Y) sort(X.begin(), X.end(),Y) #define COPY(X,Y) copy(X.begin(), X.end(), Y.begin()) #define ALL(X,Y) for (auto (X) :(Y)) #define FULL(a) (a).begin(),(a).end() #define BFS(Q,S) for(Q.push(S);Q.size()!=0;Q.pop()) typedef long long int ll; typedef unsigned long long int ull; long long int M = 998244353; chrono::system_clock::time_point starttime; using namespace std::chrono; #ifndef ONLINE_JUDGE #define DEBUG #endif inline float getTime() { #ifdef DEBUG return duration_cast<milliseconds>(system_clock::now() - starttime).count() / 4.0; #else return duration_cast<milliseconds>(system_clock::now() - starttime).count(); #endif } int dx[] = { -1,0,1,0 }, dy[] = { 0,1,0,-1 }; ll MAX(ll A, ll B) { return ((A) > (B) ? (A) : (B)); } ll MIN(ll A, ll B) { return ((A) < (B) ? (A) : (B)); } inline long long int xor128() { static long long int x = 123456789, y = 362436069, z = 521288629, w = 88675123; long long int t = (x ^ (x << 11)); x = y; y = z; z = w; return (w = (w ^ (w >> 19)) ^ (t ^ (t >> 8))); } long long int pow_n(long long int x, long long int n) { if (n == 0) return 1; if (n % 2 == 0) return pow_n(x * x, n / 2); else return x * pow_n(x, n - 1); } ll border = 5 * pow_n(10, 17); double calc_score(vector<ll> a, vector<ll> b, array<pair<ll, ll>,50>& ans) { for (int i = 0; i < ans.size(); ++i) { int u = ans[i].first, v = ans[i].second; a[u] = a[v] = (a[u] + a[v]) / 2; b[u] = b[v] = (b[u] + b[v]) / 2; } return log10(max(abs(border - a[0]), abs(border - b[0])) + 1); } struct Data { int n = 45, t = 50; double score; array<pair<ll, ll>, 50> ans; Data(vector<ll>& a,vector<ll>& b) { LP(i, 0, t) { ans[i].first = xor128() % n; ans[i].second = xor128() % (n - 1); if (ans[i].second >= ans[i].first)++ans[i].second; } score = calc_score(a, b, ans); } bool operator<(Data& r) { return score < r.score; } bool operator>(Data& r) { return score > r.score; } bool operator==(Data& r) { return score == r.score; } }; int main(int argc, char* argv[]) { starttime = chrono::system_clock::now(); ios::sync_with_stdio(false); std::cin.tie(nullptr); mt19937 rnd(0); int wid = 4, p = 1; ll n, t = 50, now = 0; cin >> n; vector<ll> a(n), b(n); LP(i, 0, n)cin >> a[i] >> b[i]; vector<Data> data; for (int i = 0; i < wid; ++i)data.push_back(Data(a, b)); vector<int> table(t); for (int i = 0; i < t; ++i)table[i] = i; double time; shuffle(table.begin(), table.end(), rnd); int cnt = 0; while ((time = getTime()) <= 950) { double temp = 0.75*(950 - time) / 950.0; int i = table[now]; for (int id = 0; id < wid; ++id) { int bx = data[id].ans[i].first, by = data[id].ans[i].second; data[id].ans[i].first = xor128() % n; data[id].ans[i].second = xor128() % (n - 1); if (data[id].ans[i].first != 0 && data[id].ans[i].second != 0 && xor128() % 2)data[id].ans[i].first = 0; if (data[id].ans[i].second >= data[id].ans[i].first)++data[id].ans[i].second; double new_score = calc_score(a, b, data[id].ans); if (xor128() % 10000 < exp((data[id].score - new_score) / temp) * 10000) { data[id].score = new_score; } else { data[id].ans[i].first = bx; data[id].ans[i].second = by; } } #ifdef DEBUG ++cnt; #endif // DEBUG if (++now == t) { now = 0; shuffle(table.begin(), table.end(), rnd); } if ((p == 1 && time >= 300) || (p == 2 && time >= 500)) { SORT(data); ++p; wid /= 2; } } #ifdef DEBUG cerr << cnt << "\n"; SORT(data); for (int id = 0; id < wid; ++id) { vector<ll> sa = a, sb = b; for (int i = 0; i < data[id].ans.size(); ++i) { int u = data[id].ans[i].first, v = data[id].ans[i].second; sa[u] = sa[v] = (sa[u] + sa[v]) / 2; sb[u] = sb[v] = (sb[u] + sb[v]) / 2; } cerr << "score:" << ll(2000000 - 100000 * log10(max(abs(border - sa[0]), abs(border - sb[0])) + 1)) << "\n"; cerr << sa[0] << " " << sb[0] << "\n"; } #endif // DEBUG cout << data[0].ans.size() << "\n"; ALL(x, data[0].ans)cout << x.first + 1 << " " << x.second + 1 << "\n"; exit(0); }