摘要： FAlternate TaskInput:Standard InputOutput:Standard OutputLittle Hasan loves to play number games with his friends. One day they were playing a game where one of them will speak out a positive number and the others have to tell the sum of its factors. The first one to say it correctly wins. After a w 阅读全文

摘要： Problem JGCD Extreme (II)Input:Standard InputOutput:Standard OutputGiven the value of N, you will have to find the value of G. The definition of G is given below:HereGCD(i,j) means the greatest common divisor of integeriand integer j.For those who have trouble understanding summation notation, the m 阅读全文