摘要：
Mishap in ClubPolycarpus just has been out of luck lately! As soon as he found a job in the "Binary Cat" cafe, the club got burgled. All ice-cream was stolen.On the burglary night Polycarpus kept a careful record of all club visitors. Each time a visitor entered t... 阅读全文
摘要：
三分搜索法 二分法作为分治中最常见的方法，适用于单调函数，逼近求解某点的值。但当函数是凸性函数时，二分法就无法适用，这时三分法就可以“大显身手”～～ 如图，类似二分的定义Left和Right，mid = (Left + Right) / 2，midmid = (mid + Right) / 2; 如果mid靠近极值点，则Right = midmid；否则(即midmid靠近极值点)，则Left = mid;程序模版如下：double Calc(Type a){ /* 根据题目的意思计算 */}void Solve(void){ double Left, Right; double mid, m 阅读全文
摘要：
Strange fuctionTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1612Accepted Submission(s): 1206Problem DescriptionNow, here is a fuction:F(x) = 6 * x^7+8*x^6+7*x^3+5*x^2-y*x (0 <= x <=100)Can you find the minimum value when x is between 0 and 阅读全文