{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cstyle\u003e\n\u003c!--\n /* Font Definitions */\n @font-face\n\t{font-family:Mangal;\n\tpanose-1:2 4 5 3 5 2 3 3 2 2;}\n@font-face\n\t{font-family:\"Cambria Math\";\n\tpanose-1:2 4 5 3 5 4 6 3 2 4;}\n@font-face\n\t{font-family:Cambria;\n\tpanose-1:2 4 5 3 5 4 6 3 2 4;}\n@font-face\n\t{font-family:Calibri;\n\tpanose-1:2 15 5 2 2 2 4 3 2 4;}\n@font-face\n\t{font-family:Tahoma;\n\tpanose-1:2 11 6 4 3 5 4 4 2 4;}\n@font-face\n\t{font-family:Garamond;\n\tpanose-1:2 2 4 4 3 3 1 1 8 3;}\n@font-face\n\t{font-family:Verdana;\n\tpanose-1:2 11 6 4 3 5 4 4 2 4;}\n@font-face\n\t{font-family:\"Bernard MT Condensed\";\n\tpanose-1:2 5 8 6 6 9 5 2 4 4;}\n@font-face\n\t{font-family:\"Bookman Old Style\";\n\tpanose-1:2 5 6 4 5 5 5 2 2 4;}\n@font-face\n\t{font-family:\"Courier 10 Pitch\";}\n@font-face\n\t{font-family:\"DejaVu Sans\";}\n@font-face\n\t{font-family:\"\\@Courier 10 Pitch\";}\n@font-face\n\t{font-family:\"\\@DejaVu Sans\";}\n /* Style Definitions */\n p.MsoNormal, li.MsoNormal, div.MsoNormal\n\t{margin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:10.0pt;\n\tmargin-left:0in;\n\ttext-align:justify;\n\tline-height:115%;\n\tfont-size:12.0pt;\n\tfont-family:\"Garamond\",\"serif\";}\nh1\n\t{mso-style-link:\"Heading 1 Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:justify;\n\tline-height:115%;\n\tpage-break-after:avoid;\n\tfont-size:14.0pt;\n\tfont-family:\"Cambria\",\"serif\";\n\tcolor:green;}\nh2\n\t{mso-style-link:\"Heading 2 Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:justify;\n\tpage-break-after:avoid;\n\tfont-size:16.0pt;\n\tfont-family:\"Arial\",\"sans-serif\";\n\tcolor:black;}\nh3\n\t{mso-style-link:\"Heading 3 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li.MsoTitleCxSpFirst, div.MsoTitleCxSpFirst\n\t{mso-style-link:\"Title Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:center;\n\tfont-size:36.0pt;\n\tfont-family:\"Bernard MT Condensed\",\"serif\";\n\tcolor:green;\n\tletter-spacing:.25pt;}\np.MsoTitleCxSpMiddle, li.MsoTitleCxSpMiddle, div.MsoTitleCxSpMiddle\n\t{mso-style-link:\"Title Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:center;\n\tfont-size:36.0pt;\n\tfont-family:\"Bernard MT Condensed\",\"serif\";\n\tcolor:green;\n\tletter-spacing:.25pt;}\np.MsoTitleCxSpLast, li.MsoTitleCxSpLast, div.MsoTitleCxSpLast\n\t{mso-style-link:\"Title Char\";\n\tmargin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:12.0pt;\n\tmargin-left:0in;\n\ttext-align:center;\n\tfont-size:36.0pt;\n\tfont-family:\"Bernard MT Condensed\",\"serif\";\n\tcolor:green;\n\tletter-spacing:.25pt;}\np.MsoSubtitle, li.MsoSubtitle, div.MsoSubtitle\n\t{mso-style-link:\"Subtitle Char\";\n\tmargin-top:6.0pt;\n\tmargin-right:0in;\n\tmargin-bottom:0in;\n\tmargin-left:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:center;\n\tline-height:115%;\n\tfont-size:24.0pt;\n\tfont-family:\"Bookman Old Style\",\"serif\";\n\tletter-spacing:.75pt;\n\tfont-weight:bold;}\np.MsoBodyText3, li.MsoBodyText3, div.MsoBodyText3\n\t{mso-style-link:\"Body Text 3 Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:justify;\n\tfont-size:12.0pt;\n\tfont-family:\"Verdana\",\"sans-serif\";\n\tcolor:black;}\na:link, span.MsoHyperlink\n\t{color:blue;\n\ttext-decoration:underline;}\na:visited, span.MsoHyperlinkFollowed\n\t{color:purple;\n\ttext-decoration:underline;}\npre\n\t{mso-style-link:\"HTML Preformatted Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:justify;\n\tfont-size:10.0pt;\n\tfont-family:\"Courier New\";}\np.MsoAcetate, li.MsoAcetate, div.MsoAcetate\n\t{mso-style-link:\"Balloon Text Char\";\n\tmargin:0in;\n\tmargin-bottom:.0001pt;\n\ttext-align:justify;\n\tfont-size:8.0pt;\n\tfont-family:\"Tahoma\",\"sans-serif\";}\np.MsoNoSpacing, li.MsoNoSpacing, div.MsoNoSpacing\n\t{margin:0in;\n\tmargin-bottom:.0001pt;\n\tfont-size:12.0pt;\n\tfont-family:\"Garamond\",\"serif\";}\np.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph\n\t{margin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:10.0pt;\n\tmargin-left:.5in;\n\tline-height:115%;\n\tfont-size:11.0pt;\n\tfont-family:\"Calibri\",\"sans-serif\";}\np.MsoListParagraphCxSpFirst, li.MsoListParagraphCxSpFirst, div.MsoListParagraphCxSpFirst\n\t{margin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:0in;\n\tmargin-left:.5in;\n\tmargin-bottom:.0001pt;\n\tline-height:115%;\n\tfont-size:11.0pt;\n\tfont-family:\"Calibri\",\"sans-serif\";}\np.MsoListParagraphCxSpMiddle, li.MsoListParagraphCxSpMiddle, div.MsoListParagraphCxSpMiddle\n\t{margin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:0in;\n\tmargin-left:.5in;\n\tmargin-bottom:.0001pt;\n\tline-height:115%;\n\tfont-size:11.0pt;\n\tfont-family:\"Calibri\",\"sans-serif\";}\np.MsoListParagraphCxSpLast, li.MsoListParagraphCxSpLast, div.MsoListParagraphCxSpLast\n\t{margin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:10.0pt;\n\tmargin-left:.5in;\n\tline-height:115%;\n\tfont-size:11.0pt;\n\tfont-family:\"Calibri\",\"sans-serif\";}\nspan.MsoSubtleEmphasis\n\t{color:gray;\n\tfont-style:italic;}\nspan.HeaderChar\n\t{mso-style-name:\"Header Char\";\n\tmso-style-link:Header;}\nspan.FooterChar\n\t{mso-style-name:\"Footer Char\";\n\tmso-style-link:Footer;}\nspan.Heading2Char\n\t{mso-style-name:\"Heading 2 Char\";\n\tmso-style-link:\"Heading 2\";\n\tfont-family:\"Arial\",\"sans-serif\";\n\tcolor:black;\n\tfont-weight:bold;}\nspan.BodyText3Char\n\t{mso-style-name:\"Body Text 3 Char\";\n\tmso-style-link:\"Body Text 3\";\n\tfont-family:\"Verdana\",\"sans-serif\";\n\tcolor:black;}\nspan.BalloonTextChar\n\t{mso-style-name:\"Balloon Text Char\";\n\tmso-style-link:\"Balloon Text\";\n\tfont-family:\"Tahoma\",\"sans-serif\";}\nspan.HTMLPreformattedChar\n\t{mso-style-name:\"HTML Preformatted Char\";\n\tmso-style-link:\"HTML Preformatted\";\n\tfont-family:\"Courier New\";}\nspan.TitleChar\n\t{mso-style-name:\"Title Char\";\n\tmso-style-link:Title;\n\tfont-family:\"Bernard MT Condensed\",\"serif\";\n\tcolor:green;\n\tletter-spacing:.25pt;}\nspan.Heading3Char\n\t{mso-style-name:\"Heading 3 Char\";\n\tmso-style-link:\"Heading 3\";\n\tfont-family:\"Cambria\",\"serif\";\n\tcolor:#4F81BD;\n\tfont-weight:bold;}\nspan.Heading1Char\n\t{mso-style-name:\"Heading 1 Char\";\n\tmso-style-link:\"Heading 1\";\n\tfont-family:\"Cambria\",\"serif\";\n\tcolor:green;\n\tfont-weight:bold;}\nspan.SubtitleChar\n\t{mso-style-name:\"Subtitle Char\";\n\tmso-style-link:Subtitle;\n\tfont-family:\"Bookman Old Style\",\"serif\";\n\tletter-spacing:.75pt;\n\tfont-weight:bold;}\np.SampleIO, li.SampleIO, div.SampleIO\n\t{mso-style-name:SampleIO;\n\tmargin-top:0in;\n\tmargin-right:0in;\n\tmargin-bottom:0in;\n\tmargin-left:16.4pt;\n\tmargin-bottom:.0001pt;\n\tfont-size:12.0pt;\n\tfont-family:\"Courier 10 Pitch\";}\n.MsoChpDefault\n\t{font-size:10.0pt;}\n /* Page Definitions */\n @page Section1\n\t{size:8.5in 11.0in;\n\tmargin:1.0in 1.0in 1.0in 1.0in;}\ndiv.Section1\n\t{page:Section1;}\n /* List Definitions */\n ol\n\t{margin-bottom:0in;}\nul\n\t{margin-bottom:0in;}\n--\u003e\n\u003c/style\u003e \n \u003cp class\u003d\"MsoNormal\"\u003e\u003cimg SRC\u003d\"CDN_BASE_URL/7e30f50bc59b83741f57a7b51e5a9b93?v\u003d1558544510\" align\u003d\"right\" hspace\u003d\"12\"\u003e\u003cspan style\u003d\"color:black;background:white\"\u003eAltair is in great danger as he broke the three tenets of the assassin creed. The three tenets are: 1) never kill an innocent people, 2) always be discrete and 3) never compromise the brotherhood. As a result Altair is given another chance to prove that he is still a true assassin. Altair has to kill \u003cb\u003en\u003c/b\u003e targets located in \u003cb\u003en\u003c/b\u003e different cities. Now as time is short, Altair can send a massage along with the map to the assassin\u0027s bureau to send some assassins who will start visiting cities and killing the targets. An assassin can start from any city, but he cannot visit a city which is already visited by any other assassin except him (because they do not like each other\u0027s work). He can visit a city multiple times though. Now Altair wants to find the minimum number of assassins needed to kill all the targets. That\u0027s why he is seeking your help.\u003c/span\u003e\u003c/p\u003e \n "}},{"title":"Input","value":{"format":"HTML","content":" \n \u003cp class\u003d\"MsoNormal\"\u003eInput starts with an integer \u003cb\u003eT (\u003c/b\u003e\u003cb\u003e≤ 50)\u003c/b\u003e, denoting the number of test cases.\u003c/p\u003e \n \u003cp class\u003d\"MsoNormal\"\u003e\u003cspan style\u003d\"color:black\"\u003eEach case starts with a blank line. Next line contains two integers\u0026nbsp;\u003cb\u003en (1 ≤ n ≤ 15)\u003c/b\u003e\u0026nbsp;and\u0026nbsp;\u003cb\u003em (0 ≤ m ≤ 50)\u003c/b\u003e, where\u0026nbsp;\u003cb\u003en\u003c/b\u003e\u0026nbsp;denotes the number of cities and\u0026nbsp;\u003cb\u003em\u003c/b\u003e\u0026nbsp;denotes the number of one way roads. Each of the next\u0026nbsp;\u003cb\u003em\u003c/b\u003e\u0026nbsp;lines contains two integers\u0026nbsp;\u003cb\u003eu v (1 ≤ u, v ≤ n, u ≠ v)\u003c/b\u003e\u0026nbsp;meaning that there is a road from\u0026nbsp;\u003cb\u003eu\u003c/b\u003e\u0026nbsp;to\u0026nbsp;\u003cb\u003ev\u003c/b\u003e. Assume that there can be at most one road from a city \u003cb\u003eu\u003c/b\u003e to \u003cb\u003ev\u003c/b\u003e.\u003c/span\u003e\u003c/p\u003e \n "}},{"title":"Output","value":{"format":"HTML","content":" \n \u003cp class\u003d\"MsoNormal\"\u003eFor each case, print the case number and the minimum number of assassins needed to kill all the targets.\u003c/p\u003e \n "}},{"title":"Sample Input","value":{"format":"HTML","content":" \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e2\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e\u0026nbsp;\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e3 2\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e1 2\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e2 3\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e\u0026nbsp;\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e6 6\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e1 2\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e2 3\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e2 4\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e5 4\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e4 6\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003e4 2\u003c/span\u003e\u003c/p\u003e "}},{"title":"Sample Output","value":{"format":"HTML","content":" \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003eCase 1: 1\u003c/span\u003e\u003c/p\u003e \u003cp class\u003d\"MsoNoSpacing\"\u003e\u003cspan style\u003d\"font-family:\u0026quot;Courier New\u0026quot;\"\u003eCase 2: 2\u003c/span\u003e\u003c/p\u003e "}}]}