{"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\"\u003eThere are $N$ bombs needing exploding.\u003cbr\u003e\u003cbr\u003eEach bomb has three attributes: exploding radius $r_i$, position $(x_i,y_i)$ and lighting-cost $c_i$ which means you need to pay $c_i$ cost making it explode.\u003cbr\u003e\u003cbr\u003eIf a un-lighting bomb is in or on the border the exploding area of another exploding one, the un-lighting bomb also will explode.\u003cbr\u003e\u003cbr\u003eNow you know the attributes of all bombs, please use the \u003cb\u003eminimum\u003c/b\u003e cost to explode all bombs.\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"First line contains an integer $T$, which indicates the number of test cases.\u003cbr\u003e\u003cbr\u003eEvery test case begins with an integers $N$, which indicates the numbers of bombs.\u003cbr\u003e\u003cbr\u003eIn the following $N$ lines, the ith line contains four intergers $x_i$, $y_i$, $r_i$ and $c_i$, indicating the coordinate of ith bomb is $(x_i, y_i)$, exploding radius is $r_i$ and lighting-cost is $c_i$.\u003cbr\u003e\u003cbr\u003eLimits\u003cbr\u003e- $1 \\leq T \\leq 20$\u003cbr\u003e- $1 \\leq N \\leq 1000$\u003cbr\u003e- $-10^8 \\leq x_i, y_i, r_i \\leq 10^8$\u003cbr\u003e- $1 \\leq c_i \\leq 10^4$"}},{"title":"Output","value":{"format":"HTML","content":"For every test case, you should output \u003cb\u003e\u0027Case #x: y\u0027\u003c/b\u003e, where \u003cb\u003ex\u003c/b\u003e indicates the case number and counts from \u003cb\u003e1\u003c/b\u003e and \u003cb\u003ey\u003c/b\u003e is the minimum cost."}},{"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\u003e1\r\n5\r\n0 0 1 5\r\n1 1 1 6\r\n0 1 1 7\r\n3 0 2 10\r\n5 0 1 4\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003eCase #1: 15\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}