結果
問題 | No.5007 Steiner Space Travel |
ユーザー | titan23 |
提出日時 | 2022-07-30 17:31:28 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 963 ms / 1,000 ms |
コード長 | 2,339 bytes |
コンパイル時間 | 247 ms |
実行使用メモリ | 86,856 KB |
スコア | 5,123,181 |
最終ジャッジ日時 | 2022-07-30 17:32:09 |
合計ジャッジ時間 | 31,632 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge10 |
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 | 950 ms
86,188 KB |
testcase_01 | AC | 951 ms
86,856 KB |
testcase_02 | AC | 951 ms
86,316 KB |
testcase_03 | AC | 953 ms
86,532 KB |
testcase_04 | AC | 951 ms
85,628 KB |
testcase_05 | AC | 954 ms
85,852 KB |
testcase_06 | AC | 951 ms
85,228 KB |
testcase_07 | AC | 953 ms
86,188 KB |
testcase_08 | AC | 951 ms
85,824 KB |
testcase_09 | AC | 952 ms
86,164 KB |
testcase_10 | AC | 948 ms
86,556 KB |
testcase_11 | AC | 950 ms
85,296 KB |
testcase_12 | AC | 955 ms
85,776 KB |
testcase_13 | AC | 952 ms
85,744 KB |
testcase_14 | AC | 963 ms
86,176 KB |
testcase_15 | AC | 948 ms
85,548 KB |
testcase_16 | AC | 952 ms
85,952 KB |
testcase_17 | AC | 947 ms
85,668 KB |
testcase_18 | AC | 958 ms
85,904 KB |
testcase_19 | AC | 947 ms
85,460 KB |
testcase_20 | AC | 960 ms
86,308 KB |
testcase_21 | AC | 947 ms
86,852 KB |
testcase_22 | AC | 960 ms
86,336 KB |
testcase_23 | AC | 949 ms
86,756 KB |
testcase_24 | AC | 963 ms
86,700 KB |
testcase_25 | AC | 948 ms
86,456 KB |
testcase_26 | AC | 958 ms
86,108 KB |
testcase_27 | AC | 947 ms
85,728 KB |
testcase_28 | AC | 960 ms
86,020 KB |
testcase_29 | AC | 948 ms
86,596 KB |
ソースコード
import sys import time import random from heapq import heapify, heappush, heappop input = lambda: sys.stdin.readline().rstrip() # ----------------------- # n, m = map(int, input().split()) ab = [tuple(map(int, input().split())) for _ in range(n)] ab_set = set(ab) ALP = 5 ALP2 = 25 LIMIT = 0.85 START = time.time() def calc_score(root): ans = 0 E = [] for i in range(1, n): u, v = root[i][1]-1, root[i-1][1]-1 tmp = (ab[u][0] - ab[v][0])*(ab[u][0] - ab[v][0]) + (ab[u][1] - ab[v][1])*(ab[u][1] - ab[v][1]) heappush(E, (tmp, i)) if len(E) > 8: heappop(E) ans += ALP2 * tmp v = root[-1][1] tmp = (ab[0][0] - ab[v][0])*(ab[0][0] - ab[v][0]) + (ab[0][1] - ab[v][1])*(ab[0][1] - ab[v][1]) ans += ALP2 * tmp heappush(E, (tmp, n)) if len(E) > 8: heappop(E) stations = [] E.sort(key=lambda x: x[1]) for c,i in E: if i == n: v = root[-1][1]-1 stations.append(((ab[0][0] + ab[v][0])>>1, (ab[0][1] + ab[v][1])>>1)) ans -= c * ALP2 ans += c * ALP else: u, v = root[i][1]-1, root[i-1][1]-1 stations.append(((ab[u][0] + ab[v][0])>>1, (ab[u][1] + ab[v][1])>>1)) ans -= c * ALP2 ans += c * ALP for i in range(8): if E[i][1] + i > len(root): root.append((E[i][1]+i, (2, i+1, 0))) else: root.insert(E[i][1]+i, (2, i+1, 0)) return root, stations, ans def make_stations(): stations = [] return stations def make_root(): C = [(1, i, ab[i-1]) for i in range(2, n+1)] c = [] d1 = random.randint(80, 600) d2 = random.randint(80, 600) a, b = list(range(1000//d1 + 3)), list(range(1000//d2 + 3)) i = random.randint(0, len(a)) a = a[i:] + a[:i] b = b[i:] + b[:i] for i in a: for j in b: tmp = [] for k in C: if d1*i <= k[2][0] <= d1*(i+1) and d2*j <= k[2][1] <= d2*(j+1): tmp.append(k) for t in tmp: C.remove(t) tmp.sort(key=lambda x: x[2]) c.extend(tmp) return [(1, 1, 0)] + c vestscore = float('inf') st, ro = [], [] while time.time() - START < LIMIT: root = make_root() try: root, stations, score = calc_score(root) if score < vestscore: vestscore = score st = stations[:] ro = root[:] except IndexError: pass for i,j in st: print(i, j) print(len(ro)+1) for i,j,_ in ro: print(i, j) print(1, 1)