#943845 (PyPy3) No.2602 Real Collider

• 問題: No.2602 Real Collider
• ユーザー: strangerxxx
• 提出日時: 2024-01-13 00:14:49
• 言語: PyPy3 (7.3.15)
• 結果: RE
• 実行時間: -
• コード長: 2,406 bytes
• コンパイル時間: 254 ms
• コンパイル使用メモリ: 82,196 KB
• 実行使用メモリ: 77,568 KB
• 最終ジャッジ日時: 2024-09-28 00:34:48
• 合計ジャッジ時間: 12,342 ms
• ジャッジサーバーID （参考情報）: judge3 / judge2

ファイルパターン	結果
sample	AC * 2 RE * 1
other	AC * 55 WA * 23

ソースコード

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def resolve():
    import sys
    input = sys.stdin.readline
    MOD = 1000000007
    q = int(input())
    xa, ya, xb, yb, xc, yc = map(int, input().split())
    c = circumcenter((xa, ya), (xb, yb), (xc, yc))
    delta = 1e-6
    d = distance(c, (xa, ya))
    for _ in range(q):
        x, y = map(int, input().split())
        print("Yes" if distance(c, (x, y)) - delta <= d else "No")
def circumcenter(pa, pb, pc, ignore=False):
    # 外心
    a, b, c = side_length(pa, pb, pc)
    try:
        return barycentric_coordinate(
            pa,
            pb,
            pc,
            sin_a(a, b, c) * cos_a(a, b, c),
            sin_a(b, c, a) * cos_a(b, c, a),
            sin_a(c, a, b) * cos_a(c, a, b),
            ignore,
        )
    except:
        if ignore:
            return []
        else:
            raise ValueError("points on a straight line")
def barycentric_coordinate(pa, pb, pc, ga, gb, gc, ignore=False):
    # △BCP:△CAP:△ABP=ga:gb:gcであるときの点Pの座標
    try:
        g = ga + gb + gc
        return [(a * ga + b * gb + c * gc) / g for a, b, c in zip(pa, pb, pc)]
    except:
        if ignore:
            return []
        else:
            raise ValueError("points on a straight line")
def side_length(pa, pb, pc):
    # 3辺の長さ
    return distance(pc, pb), distance(pa, pc), distance(pa, pb)
def area(a, b, c):
    # 面積
    s = (a + b + c) / 2
    return (s * (s - a) * (s - b) * (s - c)) ** 0.5
def sin_a(a, b, c):
    # sin∠BAC
    s = area(a, b, c)
    return max(min(s * 2 / b / c, 1), -1)
def cos_a(a, b, c):
    # cos∠BAC
    return max(min((b**2 + c**2 - a**2) / (2 * b * c), 1), -1)
def sin_o(pa, pb):
    # sin∠AOB
    a, b, c = side_length([0] * len(pa), pa, pb)
    return sin_a(a, b, c)
def cos_o(pa, pb):
    # cos∠AOB
    a, b, c = side_length([0] * len(pa), pa, pb)
    return cos_a(a, b, c)
def sin_t(pa, pb, pc):
    # 3つの角のsin
    a, b, c = side_length(pa, pb, pc)
    s = area(a, b, c)
    return s * 2 / b / c, s * 2 / c / a, s * 2 / a / b
def cos_t(pa, pb, pc):
    # 3つの角のcos
    a, b, c = side_length(pa, pb, pc)
    return cos_a(a, b, c), cos_a(b, c, a), cos_a(c, a, b)
def distance(pa, pb):
    return sum([(i - j) ** 2 for i, j in zip(pa, pb)]) ** 0.5
def midpoint(pa, pb):
    return [(x + y) / 2 for x, y in zip(pa, pb)]
if __name__ == "__main__":
    resolve()
 
 
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