結果
問題 | No.622 点と三角柱の内外判定 |
ユーザー | Ryuto |
提出日時 | 2017-12-23 00:15:19 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 45 ms / 1,500 ms |
コード長 | 1,851 bytes |
コンパイル時間 | 181 ms |
コンパイル使用メモリ | 82,468 KB |
実行使用メモリ | 53,248 KB |
最終ジャッジ日時 | 2024-12-17 23:53:40 |
合計ジャッジ時間 | 2,530 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 45 ms
52,736 KB |
testcase_01 | AC | 45 ms
52,992 KB |
testcase_02 | AC | 44 ms
52,608 KB |
testcase_03 | AC | 44 ms
52,480 KB |
testcase_04 | AC | 43 ms
52,992 KB |
testcase_05 | AC | 41 ms
52,864 KB |
testcase_06 | AC | 39 ms
52,352 KB |
testcase_07 | AC | 39 ms
52,864 KB |
testcase_08 | AC | 43 ms
52,864 KB |
testcase_09 | AC | 40 ms
52,864 KB |
testcase_10 | AC | 40 ms
52,352 KB |
testcase_11 | AC | 39 ms
52,736 KB |
testcase_12 | AC | 41 ms
52,992 KB |
testcase_13 | AC | 39 ms
52,480 KB |
testcase_14 | AC | 39 ms
52,736 KB |
testcase_15 | AC | 40 ms
52,864 KB |
testcase_16 | AC | 40 ms
52,608 KB |
testcase_17 | AC | 41 ms
52,864 KB |
testcase_18 | AC | 39 ms
52,480 KB |
testcase_19 | AC | 40 ms
52,864 KB |
testcase_20 | AC | 40 ms
52,736 KB |
testcase_21 | AC | 40 ms
53,248 KB |
testcase_22 | AC | 39 ms
52,864 KB |
testcase_23 | AC | 40 ms
52,864 KB |
testcase_24 | AC | 40 ms
52,608 KB |
testcase_25 | AC | 41 ms
52,352 KB |
testcase_26 | AC | 41 ms
52,352 KB |
testcase_27 | AC | 41 ms
52,736 KB |
testcase_28 | AC | 39 ms
52,864 KB |
testcase_29 | AC | 41 ms
52,608 KB |
testcase_30 | AC | 39 ms
52,608 KB |
testcase_31 | AC | 40 ms
53,248 KB |
ソースコード
#!/usr/bin/env python def dot(A, B): return A[0]*B[0] + A[1]*B[1] + A[2]*B[2] def cross(A, B): X = A[1]*B[2] - A[2]*B[1] Y = A[2]*B[0] - A[0]*B[2] Z = A[0]*B[1] - A[1]*B[0] return [X, Y, Z] def inverse(A): det = A[0][0]*A[1][1]*A[2][2] + A[0][1]*A[1][2]*A[2][0] det += A[0][2]*A[1][0]*A[2][1] - A[0][0]*A[1][2]*A[2][1] det += - A[0][2]*A[1][1]*A[2][0] - A[0][1]*A[1][0]*A[2][2] A11 = (-1)**2 * (A[1][1]*A[2][2] - A[1][2]*A[2][1]) / det A12 = (-1)**3 * (A[1][0]*A[2][2] - A[1][2]*A[2][0]) / det A13 = (-1)**4 * (A[1][0]*A[2][1] - A[1][1]*A[2][0]) / det A21 = (-1)**3 * (A[0][1]*A[2][2] - A[0][2]*A[2][1]) / det A22 = (-1)**4 * (A[0][0]*A[2][2] - A[0][2]*A[2][0]) / det A23 = (-1)**5 * (A[0][0]*A[2][1] - A[0][1]*A[2][0]) / det A31 = (-1)**4 * (A[0][1]*A[1][2] - A[0][2]*A[1][1]) / det A32 = (-1)**5 * (A[0][0]*A[1][2] - A[0][2]*A[1][0]) / det A33 = (-1)**6 * (A[0][0]*A[1][1] - A[0][1]*A[1][0]) / det return [[A11, A21, A31], [A12, A22, A32], [A13, A23, A33]] A = [int(x) for x in input().split()] B = [int(x) for x in input().split()] C = [int(x) for x in input().split()] D = [int(x) for x in input().split()] AB = [b - a for (a, b) in zip(A, B)] AC = [c - a for (a, c) in zip(A, C)] AD = [d - a for (a, d) in zip(A, D)] BC = [c - b for (b, c) in zip(B, C)] BA = [-x for x in AB] Z = cross(AB, AC) M = inverse([AB, AC, Z]) Co = [AD[0]*x + AD[1]*y + AD[2]*z for (x, y, z) in zip(M[0], M[1], M[2])] if Co[0] > 0 and Co[1] > 0 and Co[0] < 1 and Co[1] < 1: Dp = [Co[0]*b + Co[1]*c + Co[2]*z for (b, c, z) in zip(AB, AC, Z)] Mp = inverse([AB, BC, Z]) Cp = [Dp[0]*x + Dp[1]*y + Dp[2]*z for (x, y, z) in zip(Mp[0], Mp[1], Mp[2])] if Cp[0] > 0 and Cp[1] > 0 and Cp[0] < 1 and Cp[1] < 1: print('YES') else: print('NO') else: print('NO')