結果
問題 | No.5020 Averaging |
ユーザー | e869120 |
提出日時 | 2024-02-21 12:07:40 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,727 bytes |
コンパイル時間 | 786 ms |
コンパイル使用メモリ | 79,412 KB |
実行使用メモリ | 6,548 KB |
スコア | 0 |
最終ジャッジ日時 | 2024-02-25 12:49:40 |
合計ジャッジ時間 | 46,400 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge13 |
(要ログイン)
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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
ソースコード
#include <iostream> #include <cmath> #include <ctime> #include <vector> #include <algorithm> using namespace std; const long long Target = 500000000000000000LL; long long N; long long A[59]; long long B[59]; long long Order[59]; long long BestOrder[59]; long long GetScore() { long long TotalScore = (A[1] >> (N - 1)); for (int i = 1; i <= N - 1; i++) TotalScore += (A[Order[i]] >> (N - i)); return abs(Target - TotalScore); } long double Randouble() { double s = 0.0, t = 1.0; for (int i = 0; i < 3; i++) { t /= 1024.0; s += 1.0 * (rand() % 1024) * t; } return s; } int main() { // Step 1. 入力 cin >> N; for (int i = 1; i <= N; i++) cin >> A[i] >> B[i]; // Step 2. 山登り法 for (int i = 1; i <= N - 1; i++) Order[i] = i + 2; long long CurrentScore = GetScore(); long long BestScore = CurrentScore; int StartTime = clock(); while (clock() - StartTime <= 85 * CLOCKS_PER_SEC / 100) { int idx1 = rand() % (N - 1) + 1; int idx2 = rand() % (N - 1) + 1; swap(Order[idx1], Order[idx2]); long long CandScore = GetScore(); double Diff = log10(CurrentScore) - log10(CandScore); if (Randouble() < exp(Diff / 0.2)) { if (BestScore > CandScore) { printf("%.2lf %.2lf\n", log10(BestScore), log10(CandScore)); BestScore = CandScore; for (int i = 1; i <= N; i++) BestOrder[i] = Order[i]; } CurrentScore = CandScore; } else { swap(Order[idx1], Order[idx2]); } } // Step 3. 答えを得る vector<pair<int, int>> Answer; for (int i = 1; i <= N - 1; i++) Answer.push_back(make_pair(1, BestOrder[i])); // Step 4. 出力 cout << Answer.size() << endl; for (int i = 0; i < Answer.size(); i++) cout << Answer[i].first << " " << Answer[i].second << endl; return 0; }