抓不住Jerry的Tom

摘要： Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is 阅读全文

摘要： Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is 阅读全文

摘要： 3-idiots Problem Description King OMeGa catched three men who had been streaking in the street. Looking as idiots though, the three men insisted that 阅读全文

摘要： A * B Problem Plus Problem Description Calculate A * B. Input Each line will contain two integers A and B. Process to end of file.Note: the length of 阅读全文

摘要： const double pi = acos(-1.0);struct Complex { double r,i; Complex(double _r,double _i):r(_r),i(_i){} Complex(){} Complex operator +(const Complex &b) { return Complex(r+b.... 阅读全文

摘要： 2301: [HAOI2011]Problem b Description 对于给出的n个询问，每次求有多少个数对(x,y)，满足a≤x≤b，c≤y≤d，且gcd(x,y) = k，gcd(x,y)函数为x和y的最大公约数。 Input Input 第一行一个整数n，接下来n行每行五个整数，分别表示 阅读全文

摘要： E. Okabe and El Psy Kongroo Okabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how ma 阅读全文

摘要： In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping two adjacen 阅读全文

摘要： Problem Description You may heard of the Joseph Problem, the story comes from a Jewish historian living in 1st century. He and his 40 comrade soldiers 阅读全文

摘要： Sasha and Kolya decided to get drunk with Coke, again. This time they have k types of Coke. i-th type is characterised by its carbon dioxide concentra 阅读全文