勿忘初心0924

摘要： ACboy needs your help again! Problem Description ACboy was kidnapped!! he miss his mother very much and is very scare now.You can't image how dark the 阅读全文

摘要： 母函数总结 观自 http://blog.csdn.net/metalseed/article/details/8046656# 所谓母函数就是：将任意一个数列，a0,a1,a2……an 通过一个函数进行联系起来。 G(n)=a0+a1*x+a2*x^2+……an*x^n; 称G(n)为数列的生成函 阅读全文

摘要： Holding Bin-Laden Captive! Problem Description We all know that Bin-Laden is a notorious terrorist, and he has disappeared for a long time. But recent 阅读全文

摘要： Jacobi symbol Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 625 Accepted Submission(s): 258 Pro 阅读全文

摘要： GCD Problem Description The greatest common divisor GCD(a,b) of two positive integers a and b,sometimes written (a,b),is the largest divisor common to 阅读全文

摘要： Ipad,IPhone Problem Description In ACM_DIY, there is one master called “Lost”. As we know he is a “-2Dai”, which means he has a lot of money. Well, Lo 阅读全文

摘要： Description has only two Sentences Problem Description an = X*an-1 + Y and Y mod (X-1) = 0.Your task is to calculate the smallest positive integer k t 阅读全文

摘要： Hello Kiki Problem Description One day I was shopping in the supermarket. There was a cashier counting coins seriously when a little kid running and s 阅读全文

摘要： A Simple Math Problem Problem Description Lele now is thinking about a simple function f(x).If x < 10 f(x) = x.If x >= 10 f(x) = a0 * f(x-1) + a1 * f( 阅读全文

摘要： C. New Year and Rating time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. New Year and R 阅读全文