{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003e \u003cspan\u003e\u003ca href\u003d\"http://7xjob4.com1.z0.glb.clouddn.com/020aad6ceefd5107286c67c8a4a9ac26\"\u003e \u003cimg alt\u003d\"Download as PDF\" height\u003d\"26\" src\u003d\"http://uva.onlinejudge.org/components/com_onlinejudge/images/button_pdf.png\" title\u003d\"Download as PDF\" width\u003d\"100\"\u003e \u003c/a\u003e\u003c/span\u003e\u003c/p\u003e \n\u003cdiv\u003e\n 有一个n行m列的点阵(1\u0026lt;\u003dn,m\u0026lt;\u003d300),问一共有多少条非水平非竖直的直线至少穿过其中的两个点?\n\u003c/div\u003e"}}]}