qq_43417796的博客

转载自丿不落良辰的博客 https://cn.vjudge.net/problem/Kattis-nonprimefactors Non-Prime Factors (质数筛选+因子分解） For example, integer 100has the following nine factors: {1,2,4,5,10,20,25,50,100}. The two which are u...