The Preliminary Contest for ICPC China Nanchang National Invitational and International Silk-Road Programming Contest

两个队友链接：

• YZJ
• CKX

A. PERFECT NUMBER PROBLEM 题库链接

思路：2^1*(2^2-1), 2^2*(2^3-1), 2^4*(2^5-1), 2^6*(2^7-1), 2^12*(2^13-1)

代码：

#include<bits/stdc++.h>
using namespace std;
int main()
{
   cout<<"6\n28\n496\n8128\n33550336\n";
   return 0;
}

View Code