{"trustable":true,"sections":[{"title":"","value":{"format":"HTML","content":"当整数n-\u0026gt;无穷大时,x/a\u003csup\u003en\u003c/sup\u003e-\u0026gt;0(其中x为任意常数,a为常数)\u003cbr\u003e既:给定任意一个e\u0026gt;0, 总能找到一个N,当n\u0026gt;N时,|x/a\u003csup\u003en\u003c/sup\u003e| \u0026lt; e\u003cbr\u003e\u003cbr\u003e说明:x,a,e为双精度,N为整数。\u003cbr\u003e"}},{"title":"Input","value":{"format":"HTML","content":"三个数,分别代表x,a和e,其中a\u0026gt;1,e\u0026gt;0"}},{"title":"Output","value":{"format":"HTML","content":"输出最小的非负整数N,使得当整数n\u0026gt;N时,有|x/a\u003csup\u003en\u003c/sup\u003e| \u0026lt; e成立"}},{"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\u003e样例输入1\r\n4.2 5.3 10e-5\r\n样例输入2\r\n332 1.1 1e-4\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e样例输出1\r\n6\r\n样例输出2\r\n157\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}