2247 -- Humble Numbers
Humble NumbersTime Limit: 1000MS Memory Limit: 65536K Total Submissions: 10615 Accepted: 4961 Description A number whose only prime factors are 2,3,5 or...
Humble Numbers - 百科教程网_经验分享平台[上学吧经验教程频道]
Humble Numbers 题目描述 A number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5, 6, 7, 8,...