hdu1286专题

HDU1286:找新朋友

找新朋友 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2748 Accepted Submission(s): 1282 Problem Description 新年快到了,“猪头帮协会”准备搞一个聚会,已经知道现有会员N人

hdu1286 找新朋友

找新朋友 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6716    Accepted Submission(s): 3476 Problem Description 新年快到了,“猪头帮协会”准备搞一个聚会,已经知道

hdu1286 找新朋友 (欧拉函数法)

原题:点击打开链接 关于欧拉函数的算法详细讲解:点击打开链接 欧拉函数 1.欧拉函数是不完全积性函数。 2.欧拉函数p(x) = x * (p1 - 1) / p1 * (p2 - 1)/p2 * .....(pn - 1)/ pn; #include <iostream>#include <stdio.h>#include <math.h>using namespac

hdu1286 找新朋友 (同因子个数)

找新朋友 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9182    Accepted Submission(s): 4847 Problem Description 新年快到了,“猪头帮协会”准备搞一个聚会