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View the Project on GitHub Rin204/Library-Python
凸包を求めます. $[(x_1, y_1), (x_2, y_2), \ldots]$ の形式で頂点を与えてください.
convex_hull_points = convex_hull(points)
def convex_hull(xy, multi=False): xy.sort(key=lambda x: (x[1], x[0])) res = [] def cross3(a, b, c): return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]) if multi: def f(a, b, c): return cross3(a, b, c) > 0 else: def f(a, b, c): return cross3(a, b, c) >= 0 for p in xy: while len(res) > 1 and f(res[-1], res[-2], p): res.pop() res.append(p) le = len(res) for p in xy[::-1][1:]: while len(res) > le and f(res[-1], res[-2], p): res.pop() res.append(p) res.pop() return res
Traceback (most recent call last): File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 81, in _render_source_code_stat bundled_code = language.bundle( ^^^^^^^^^^^^^^^^ File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/python.py", line 108, in bundle raise NotImplementedError NotImplementedError