結果
問題 | No.1999 Lattice Teleportation |
ユーザー | tnodino |
提出日時 | 2022-07-02 00:54:02 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,812 bytes |
コンパイル時間 | 205 ms |
コンパイル使用メモリ | 13,184 KB |
実行使用メモリ | 85,900 KB |
最終ジャッジ日時 | 2024-05-04 19:21:35 |
合計ジャッジ時間 | 7,389 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 32 ms
17,024 KB |
testcase_01 | AC | 32 ms
11,264 KB |
testcase_02 | AC | 32 ms
11,264 KB |
testcase_03 | AC | 32 ms
11,392 KB |
testcase_04 | AC | 38 ms
11,392 KB |
testcase_05 | AC | 56 ms
11,904 KB |
testcase_06 | AC | 57 ms
11,904 KB |
testcase_07 | AC | 46 ms
11,648 KB |
testcase_08 | AC | 38 ms
11,392 KB |
testcase_09 | AC | 32 ms
11,392 KB |
testcase_10 | AC | 31 ms
11,264 KB |
testcase_11 | WA | - |
testcase_12 | TLE | - |
testcase_13 | TLE | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
ソースコード
from math import gcd, sqrt, acos, pi from collections import deque mod = 10**9+7 class Point: def __init__(self, px, py): self.px = px self.py = py def operator_p(a1, a2): return Point(a1.px + a2.px, a1.py + a2.py) def operator_m(a1, a2): return Point(a1.px - a2.px, a1.py - a2.py) def operator(a1, a2): if a1.px < a2.px: return True if a1.px > a2.px: return False if a1.py < a2.py: return True return False def getangle(G): # 点 G の偏角を求める if G.py >= 0.0: I = G.px / sqrt(pow(G.px, 2) + pow(G.py, 2)) kaku = acos(I) * 180.0 / pi return kaku else: I = G.px / sqrt(pow(G.px, 2) + pow(G.py, 2)) kaku = acos(I) * 180.0 / pi return 360.0 - kaku # 点 p1 と p2 の外積を求める def crs(p1, p2): return p1.px * p2.py - p1.py * p2.px N = int(input()) Z = [] for i in range(N): A,B = map(int,input().split()) if A == 0 and B == 0: continue if B < 0: A *= -1 B *= -1 Z.append(Point(A, B)) N = len(Z) vec = [] for i in range(N): SA = operator_m(Point(0, 0), Z[i]) angle = getangle(SA) vec.append([angle, Z[i].px, Z[i].py]) vec.sort() P = [Point(0, 0)] Q = [Point(0, 0)] x,y = 0,0 for i in range(N): x += vec[i][1] y += vec[i][2] P.append(Point(x, y)) x,y = 0,0 for i in range(N): x += vec[N-i-1][1] y += vec[N-i-1][2] Q.append(Point(x, y)) G = [] for i in range(N+1): G.append(P[i]) for i in range(N-1,0,-1): G.append(Q[i]) if len(G) == 1: print(1) exit() G1 = deque() G2 = deque() Totsuhou = [] G1.append(G[0]) G2.append(G[0]) G1.append(G[1]) G2.append(G[1]) for i in range(2,len(G)): while len(G1) >= 2 and crs(operator_m(G1[len(G1)-1], G1[len(G1)-2]), operator_m(G[i], G1[len(G1)-1])) <= 0: G1.pop() while len(G2) >= 2 and crs(operator_m(G2[len(G2)-1], G2[len(G2)-2]), operator_m(G[i], G2[len(G2)-1])) >= 0: G2.pop() G1.append(G[i]) G2.append(G[i]) G1 = list(G1) G2 = list(G2) for i in range(len(G1)): Totsuhou.append(G1[i]) for i in range(len(G2)-2,0,-1): Totsuhou.append(G2[i]) EdgePoint = len(Totsuhou) for i in range(len(Totsuhou)): ax = Totsuhou[(i+0) % len(Totsuhou)].px ay = Totsuhou[(i+0) % len(Totsuhou)].py bx = Totsuhou[(i+1) % len(Totsuhou)].px by = Totsuhou[(i+1) % len(Totsuhou)].py vx = abs(bx - ax) vy = abs(by - ay) r = gcd(vx, vy) EdgePoint += r - 1 Area = 0 for i in range(len(Totsuhou)): ax = Totsuhou[(i+0) % len(Totsuhou)].px ay = Totsuhou[(i+0) % len(Totsuhou)].py bx = Totsuhou[(i+1) % len(Totsuhou)].px by = Totsuhou[(i+1) % len(Totsuhou)].py Area += (bx - ax) * (by + ay) Area = abs(Area) Answer = Area + EdgePoint + 2 print(Answer // 2 % mod)