結果

問題 No.5008 [Cherry Alpha] Discrete Pendulum with Air Resistance
コンテスト
ユーザー Shun_PI
提出日時 2022-10-14 23:18:07
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
TLE  
実行時間 -
コード長 3,843 bytes
コンパイル時間 2,179 ms
実行使用メモリ 6,956 KB
スコア 529,629,747,999,682
最終ジャッジ日時 2022-10-14 23:20:03
合計ジャッジ時間 112,858 ms
ジャッジサーバーID
（参考情報） 		judge8 / judge10
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 22 TLE * 28
権限があれば一括ダウンロードができます

ソースコード

diff # 

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using lint = long long int;
using P = pair<int, int>;
using PL = pair<lint, lint>;
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
#define ALL(a)  (a).begin(),(a).end()
constexpr int MOD = 1000000007;
constexpr lint B1 = 1532834020;
constexpr lint M1 = 2147482409;
constexpr lint B2 = 1388622299;
constexpr lint M2 = 2147478017;
constexpr int INF = 2147483647;
void yes(bool expr) {cout << (expr ? "Yes" : "No") << "\n";}
template<class T>void chmax(T &a, const T &b) { if (a<b) a=b; }
template<class T>void chmin(T &a, const T &b) { if (b<a) a=b; }
constexpr int TIME_LIMIT = 1900;
vector<vector<lint>> PARAMS = {
  {1, 1},
  {2, 1},
  {2, 2},
  {3, 2},
  {4, 2},
  {5, 2},
  {6, 2},
  {3, 3},
  {4, 3},
  {5, 3},
  {6, 3},
  {7, 3},
  {8, 3},
  {9, 3},
  {10, 3}
};
vector<lint> cnt = {25, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

vector<lint> T;
vector<lint> U;
lint N, K;
lint M = 14;

lint calc_score(vector<lint> &cnt) {
  double score1 = 0;
  REP(i, K) {
    vector<lint> B(N), X(N);
    int ptr = 0;
    REP(j, M) {
      REP(k, cnt[j]) {
        B[ptr] = PARAMS[j][0];
        lint t = PARAMS[j][0] * 2 + PARAMS[j][1] * 2;
        t = T[i] - t;
        t %= PARAMS[j][1] * 4;
        if(t < PARAMS[j][1]) {
          X[ptr] = t;
        } else if(t < PARAMS[j][1] * 3) {
          X[ptr] = PARAMS[j][1] * 2 - t;
        } else {
          X[ptr] = t - PARAMS[j][1] * 4;
        }
        ptr++;
      }
    }
    REP(j, N) FOR(k, j+1, N) score1 += (double)abs(X[j] - X[k]) / (B[j] + B[k]);
  }

  double score2 = 0;
  REP(i, K) {
    vector<lint> X(N);
    int ptr = 0;
    REP(j, M) {
      REP(k, cnt[j]) {
        lint t = PARAMS[j][0] * 2 + PARAMS[j][1] * 2;
        t = U[i] - t;
        t %= PARAMS[j][1] * 4;
        if(t < PARAMS[j][1]) {
          X[ptr] = t;
        } else if(t < PARAMS[j][1] * 3) {
          X[ptr] = PARAMS[j][1] * 2 - t;
        } else {
          X[ptr] = t - PARAMS[j][1] * 4;
        }
        ptr++;
      }
    }
    lint ma = 0;
    REP(j, N) FOR(k, j+1, N) chmax(ma, abs(X[j] - X[k]));
    score2 += 1.0 / sqrt(1.0 + (double)ma / 20.0);
  }
  score1 *= 20000000 / N / (N-1) / K;
  score2 *= 10000000 / K;

  return round(score1) * round(score2);
};

int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> N >> K;
  T = vector<lint>(K);
  REP(i, K) cin >> T[i];
  U = vector<lint>(K);
  REP(i, K) cin >> U[i];

  lint best_score = calc_score(cnt);
  cerr << best_score << endl;
  double time = 0;
  int loop = 0;
  double start_temp = 13, end_temp = 10;
  double temp = start_temp;

  auto start_time = std::chrono::system_clock::now();
  
  while(true) {
    if(loop%1000 == 0) {
      auto now_time = std::chrono::system_clock::now();
      time = std::chrono::duration_cast<std::chrono::milliseconds>(now_time-start_time).count();
      temp = start_temp + (end_temp - start_temp) * time / (TIME_LIMIT);
      cerr << "LOOP:" << loop << " SCORE:" << best_score << " TIME:" << time << endl;
      if(time > TIME_LIMIT) break;
    }
    loop++;

    int i, j;
    while(true) {
      i = rand() % M;
      j = rand() % M;
      if(cnt[i] > 0 && i != j) break;
    }
    cnt[i]--;
    cnt[j]++;
    lint score = calc_score(cnt);
    double prob = exp(((double)score-best_score)/pow(10, temp));
    if(score > best_score || prob > (rand()%INF)/(double)INF) {
      //ok
      best_score = score;
    } else {
      //ng
      cnt[i]++;
      cnt[j]--;
    }
  }
  
  REP(i, M) REP(j, cnt[i]) cout << PARAMS[i][0] << " " << PARAMS[i][1] << " " << 100 << "\n";

}
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