{"trustable":true,"prependHtml":"\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv class\u003d\"panel_content\"\u003e甜甜从小就喜欢画图画,最近他买了一支智能画笔,由于刚刚接触,所以甜甜只会用它来画直线,于是他就在平面直角坐标系中画出如下的图形:\u003cbr\u003e\u003cbr\u003e\u003ccenter\u003e\u003cimg style\u003d\"max-width:100%;\" src\u003d\"CDN_BASE_URL/f82240dbe71362acc03a5855cf4caca1?v\u003d1715580677\"\u003e\u003c/center\u003e\u003cbr\u003e\u003cbr\u003e甜甜的好朋友蜜蜜发现上面的图还是有点规则的,于是他问甜甜:在你画的图中,我给你两个点,请你算一算连接两点的折线长度(即沿折线走的路线长度)吧。\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一个数是正整数N(≤100)。代表数据的组数。\u003cbr\u003e每组数据由四个非负整数组成x1,y1,x2,y2;所有的数都不会大于100。\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"对于每组数据,输出两点(x1,y1),(x2,y2)之间的折线距离。注意输出结果精确到小数点后3位。"}},{"title":"Sample","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e5\r\n0 0 0 1\r\n0 0 1 0\r\n2 3 3 1\r\n99 99 9 9\r\n5 5 5 5\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e1.000\r\n2.414\r\n10.646\r\n54985.047\r\n0.000\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}