{"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/nodchip/","provider_name":"Hatena Blog","author_name":"nodchip","height":"190","blog_title":"nodchip\u306e\u65e5\u8a18","published":"2010-05-24 20:07:27","title":"PKU 1106 Transmitters","type":"rich","version":"1.0","url":"https://nodchip.hatenadiary.org/entry/20100524/1274699247","categories":[],"description":"\u5e7e\u4f55 \u8907\u7d20\u6570\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u3068\u697d \u89d2\u5ea6\u3067\u30bd\u30fc\u30c8\u3057\u3066\u5c3a\u53d6\u30e1\u30bd\u30c3\u30c9 int main() { double r; for (int X, Y; cin >> X >> Y >> r && r >= 0.0; ) { int N; cin >> N; vector<double> angles; for (int n = 0; n < N; ++n) { int x, y; cin >> x >> y; x -= X; y -= Y; if (sqrt((double)x * x + y * y) < r + EPS) { angles.push_back(atan2((double)y, (dou\u2026","width":"100%","blog_url":"https://nodchip.hatenadiary.org/","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnodchip.hatenadiary.org%2Fentry%2F20100524%2F1274699247\" title=\"PKU 1106 Transmitters - nodchip\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}