結果
問題 | No.2173 Nightcord |
ユーザー | chineristAC |
提出日時 | 2022-12-25 02:21:41 |
言語 | PyPy3 (7.3.15) |
結果 |
RE
|
実行時間 | - |
コード長 | 2,343 bytes |
コンパイル時間 | 162 ms |
コンパイル使用メモリ | 82,468 KB |
実行使用メモリ | 84,172 KB |
最終ジャッジ日時 | 2024-11-18 09:37:49 |
合計ジャッジ時間 | 20,212 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 52 ms
57,248 KB |
testcase_01 | AC | 47 ms
56,916 KB |
testcase_02 | RE | - |
testcase_03 | AC | 1,342 ms
81,784 KB |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | AC | 80 ms
77,344 KB |
testcase_11 | RE | - |
testcase_12 | AC | 87 ms
77,556 KB |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | AC | 93 ms
77,744 KB |
testcase_16 | AC | 92 ms
77,492 KB |
testcase_17 | RE | - |
testcase_18 | AC | 79 ms
77,844 KB |
testcase_19 | RE | - |
testcase_20 | AC | 83 ms
77,340 KB |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | AC | 91 ms
77,500 KB |
testcase_24 | RE | - |
testcase_25 | AC | 85 ms
77,448 KB |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | AC | 89 ms
77,684 KB |
testcase_29 | RE | - |
testcase_30 | AC | 93 ms
77,780 KB |
testcase_31 | RE | - |
testcase_32 | AC | 680 ms
79,696 KB |
testcase_33 | AC | 1,182 ms
81,404 KB |
testcase_34 | AC | 1,277 ms
84,172 KB |
testcase_35 | AC | 683 ms
79,664 KB |
testcase_36 | AC | 790 ms
80,088 KB |
testcase_37 | AC | 1,131 ms
82,880 KB |
testcase_38 | AC | 247 ms
77,840 KB |
testcase_39 | AC | 643 ms
79,620 KB |
testcase_40 | AC | 1,254 ms
83,124 KB |
testcase_41 | AC | 812 ms
79,332 KB |
testcase_42 | AC | 811 ms
80,272 KB |
testcase_43 | AC | 172 ms
76,820 KB |
testcase_44 | AC | 49 ms
57,592 KB |
testcase_45 | AC | 374 ms
77,560 KB |
testcase_46 | AC | 506 ms
78,592 KB |
testcase_47 | AC | 490 ms
78,024 KB |
testcase_48 | AC | 275 ms
77,648 KB |
testcase_49 | AC | 75 ms
73,340 KB |
testcase_50 | AC | 146 ms
76,892 KB |
testcase_51 | AC | 530 ms
78,380 KB |
testcase_52 | AC | 71 ms
72,556 KB |
testcase_53 | AC | 566 ms
78,448 KB |
testcase_54 | AC | 767 ms
78,916 KB |
testcase_55 | AC | 221 ms
77,008 KB |
testcase_56 | AC | 376 ms
77,816 KB |
ソースコード
import sys,random,bisect from collections import deque,defaultdict,Counter from heapq import heapify,heappop,heappush from itertools import cycle, permutations from math import log,gcd input = lambda :sys.stdin.readline().rstrip() mi = lambda :map(int,input().split()) li = lambda :list(mi()) def cross3(a, b, c): return (b[0]-a[0])*(c[1]-a[1]) - (b[1]-a[1])*(c[0]-a[0]) # ps = [(x, y), ...]: ソートされた座標list def convex_hull(ps): qs = [] N = len(ps) for p in ps: # 一直線上で高々2点にする場合は ">=" にする while len(qs) > 1 and cross3(qs[-1], qs[-2], p) > 0: qs.pop() qs.append(p) t = len(qs) for i in range(N-2, -1, -1): p = ps[i] while len(qs) > t and cross3(qs[-1], qs[-2], p) > 0: qs.pop() qs.append(p) return qs # O(N) def inside_convex_polygon0(p0, qs): L = len(qs) D = [cross3(qs[i-1], p0, qs[i]) for i in range(L)] return all(e >= 0 for e in D) or all(e <= 0 for e in D) # O(log N) def inside_convex_polygon(p0, qs): L = len(qs) left = 1; right = L q0 = qs[0] while left+1 < right: mid = (left + right) >> 1 if cross3(q0, p0, qs[mid]) <= 0: left = mid else: right = mid if left == L-1: left -= 1 qi = qs[left]; qj = qs[left+1] v0 = cross3(q0, qi, qj) v1 = cross3(q0, p0, qj) v2 = cross3(q0, qi, p0) if v0 < 0: v1 = -v1; v2 = -v2 return 0 <= v1 and 0 <= v2 and v1 + v2 <= v0 def solve_3(N,K,star): for p in range(2): for x,y in star[p]: S = set() for xx,yy in star[p^1]: xx,yy = xx-x,yy-y g = gcd(xx,yy) xx,yy = xx//g,yy//g if (-xx,-yy) in S: return "Yes" S.add((xx,yy)) return "No" def solve_4(N,K,star): star[0].sort() star[1].sort() ch = [convex_hull(star[p]) for p in range(2)] for p in range(2): for x,y in star[p]: if inside_convex_polygon((x,y),ch[p^1]): return "Yes" assert False N,K = mi() star = [[] for p in range(2)] for _ in range(N): x,y,c = mi() star[c-1].append((x,y)) if K == 3: print(solve_3(N,K,star)) else: print(solve_4(N,K,star))