2018年4月8日
I - How many prime numbers
摘要： Give you a lot of positive integers, just to find out how many prime numbers there are. Input There are a lot of cases. In each case, there is an inte 阅读全文
posted @ 2018-04-08 23:09 神韵袖藏 阅读(166) 评论(0) 推荐(0)
J - Calculate the formula
摘要： You just need to calculate the sum of the formula: 1^2+3^2+5^2+……+ n ^2. InputIn each case, there is an odd positive integer n.OutputPrint the sum. Ma 阅读全文
posted @ 2018-04-08 22:58 神韵袖藏 阅读(137) 评论(0) 推荐(0)