結果
問題 | No.5020 Averaging |
ユーザー | brthyyjp |
提出日時 | 2024-02-25 14:15:40 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 889 ms / 1,000 ms |
コード長 | 2,125 bytes |
コンパイル時間 | 277 ms |
コンパイル使用メモリ | 81,700 KB |
実行使用メモリ | 82,356 KB |
スコア | 38,711,619 |
最終ジャッジ日時 | 2024-02-25 14:16:28 |
合計ジャッジ時間 | 47,519 ms |
ジャッジサーバーID (参考情報) |
judge15 / 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 | 887 ms
81,288 KB |
testcase_01 | AC | 886 ms
81,780 KB |
testcase_02 | AC | 887 ms
81,788 KB |
testcase_03 | AC | 887 ms
81,712 KB |
testcase_04 | AC | 887 ms
81,296 KB |
testcase_05 | AC | 887 ms
82,280 KB |
testcase_06 | AC | 888 ms
82,044 KB |
testcase_07 | AC | 887 ms
81,344 KB |
testcase_08 | AC | 887 ms
81,640 KB |
testcase_09 | AC | 887 ms
81,144 KB |
testcase_10 | AC | 886 ms
80,904 KB |
testcase_11 | AC | 887 ms
81,732 KB |
testcase_12 | AC | 887 ms
81,416 KB |
testcase_13 | AC | 887 ms
81,272 KB |
testcase_14 | AC | 887 ms
81,640 KB |
testcase_15 | AC | 887 ms
81,844 KB |
testcase_16 | AC | 887 ms
81,500 KB |
testcase_17 | AC | 887 ms
82,148 KB |
testcase_18 | AC | 887 ms
81,748 KB |
testcase_19 | AC | 886 ms
81,508 KB |
testcase_20 | AC | 887 ms
81,872 KB |
testcase_21 | AC | 889 ms
81,756 KB |
testcase_22 | AC | 887 ms
81,440 KB |
testcase_23 | AC | 887 ms
81,572 KB |
testcase_24 | AC | 889 ms
81,840 KB |
testcase_25 | AC | 887 ms
81,836 KB |
testcase_26 | AC | 887 ms
81,244 KB |
testcase_27 | AC | 887 ms
82,356 KB |
testcase_28 | AC | 887 ms
81,172 KB |
testcase_29 | AC | 887 ms
81,052 KB |
testcase_30 | AC | 887 ms
81,764 KB |
testcase_31 | AC | 888 ms
81,944 KB |
testcase_32 | AC | 887 ms
81,612 KB |
testcase_33 | AC | 886 ms
81,440 KB |
testcase_34 | AC | 887 ms
81,072 KB |
testcase_35 | AC | 887 ms
82,016 KB |
testcase_36 | AC | 887 ms
81,972 KB |
testcase_37 | AC | 887 ms
81,572 KB |
testcase_38 | AC | 888 ms
81,648 KB |
testcase_39 | AC | 888 ms
81,268 KB |
testcase_40 | AC | 887 ms
81,852 KB |
testcase_41 | AC | 887 ms
81,372 KB |
testcase_42 | AC | 887 ms
80,988 KB |
testcase_43 | AC | 888 ms
81,684 KB |
testcase_44 | AC | 888 ms
81,444 KB |
testcase_45 | AC | 887 ms
81,672 KB |
testcase_46 | AC | 886 ms
81,368 KB |
testcase_47 | AC | 887 ms
81,816 KB |
testcase_48 | AC | 888 ms
81,324 KB |
testcase_49 | AC | 886 ms
81,764 KB |
ソースコード
from time import time start_time = time() import sys import io, os input = sys.stdin.readline #input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline import math import random random.seed(42) m = 50 TIME_LIMIT = 0.85 L = 5*10**17 def move_element(lst, i, j): lst_ = lst.copy() element = lst_.pop(i) lst_.insert(j, element) return lst_ n = int(input()) A = [0]*n B = [0]*n for i in range(n): a, b = map(int, input().split()) A[i] = a B[i] = b ans = [] for i in range(m-1): u, v = random.sample(range(n), 2) ans.append((u, v)) v = random.randint(1, n-1) ans.append((0, v)) def calc_score(ans): Ac = A.copy() Bc = B.copy() for u, v in ans: x = (Ac[u]+Ac[v])//2 Ac[u], Ac[v] = x, x y = (Bc[u]+Bc[v])//2 Bc[u], Bc[v] = y, y v1 = abs(L-Ac[0]) v2 = abs(L-Bc[0]) cost = max(v1, v2) return cost cost = calc_score(ans) iter = 0 while True: iter += 1 now_time = time() if now_time - start_time > TIME_LIMIT: break neigh = random.randint(0, 1) if neigh == 0: # ランダムに1操作を選んで変更する i = random.randint(0, m-1) if i != m-1: u, v = random.sample(range(n), 2) else: v = random.randint(1, n-1) u = 0 pre = ans[i] ans[i] = (u, v) new_cost = calc_score(ans) if new_cost <= cost: cost = new_cost else: ans[i] = pre else: # ランダムに1操作の位置を変更する i = random.randint(0, m-2) j = random.randint(0, m-2) new_ans = move_element(ans, i, j) new_cost = calc_score(new_ans) if new_cost <= cost: cost = new_cost ans = new_ans.copy() print(len(ans)) for i in range(len(ans)): u, v = ans[i] u, v = u+1, v+1 print(u, v) if cost != 0: score = (int)(2000000-100000*math.log10(cost+1)) else: score = 2000050-len(ans) print(cost, file=sys.stderr) print(round(2000000-100000*math.log(cost+1)), file=sys.stderr) print(score, file=sys.stderr)