{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv class\u003d\"panel_content\"\u003e\n首先给你样例组数T,随后给你T个数字ai。\n对于ai,问你有多少组合使x+y\u003dai。比如对于4可有1+3\u003d4;2+2\u003d4两种情况\n(1\u003c\u003dx,y\u003c\u003d6)\n \u003cbr\u003e\n\u003c/div\u003e"}},{"title":"","value":{"format":"HTML","content":"\u003cpre\u003e4\n4\n5\n8\n100\u003cpre\u003e\n"}},{"title":"","value":{"format":"HTML","content":"\u003cpre\u003e2\n2\n3\n0\u003cpre\u003e"}}]}