{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cb\u003eBackground\u003c/b\u003e\n\u003cbr\u003e魏俊杰正在研究毛毛虫(bug)的交配. 他假定毛毛虫只有两种性别, 且没有同性恋(homo无处不在)的毛毛虫, 即毛毛虫只会与异性交配. 实验中, 他给每条毛毛虫的背上写了一个数字, 以分辨交配的双方. \n\u003cbr\u003e\u003cb\u003eProblem\u003c/b\u003e\n\u003cbr\u003e给定毛毛虫交配的清单, 问实验结果是否违背魏俊杰的假设, 即是否出现同性毛毛虫相互交配. "}},{"title":"Input","value":{"format":"HTML","content":"The first line of the input contains the number of scenarios(情况, 即一对交配的毛毛虫). Each scenario starts with one line giving the number of bugs (at least one, and up to 2000) and the number of interactions (up to 1000000) separated by a single space. In the following lines, each interaction is given in the form of two distinct bug numbers separated by a single space. Bugs are numbered consecutively starting from one."}},{"title":"Output","value":{"format":"HTML","content":"The output for every scenario is a line containing \"Scenario #i:\", where i is the number of the scenario starting at 1, followed by one line saying either \"No suspicious bugs found!\" if 实验结果不违背魏俊杰的假设, or \"Suspicious bugs found!\" if 魏俊杰的假设错麻了."}},{"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\u003e2\n3 3\n1 2\n2 3\n1 3\n4 2\n1 2\n3 4\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003eScenario #1:\nSuspicious bugs found!\n\nScenario #2:\nNo suspicious bugs found!\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Hint","value":{"format":"HTML","content":"Huge input,scanf is recommended."}}]}