杭电 HDU 1164 Eddy's research I

2015-07-20 17:08:03 ? 作者: ? 浏览: 4

Eddy's research I

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 7117 Accepted Submission(s): 4268



Problem Description Eddy's interest is very extensive, recently he is interested in prime number. Eddy discover the all number owned can be divided into the multiply of prime number, but he can't write program, so Eddy has to ask intelligent you to help him, he asks you to write a program which can do the number to divided into the multiply of prime number factor .


Input The input will contain a number 1 < x<= 65535 per line representing the number of elements of the set.

Output You have to print a line in the output for each entry with the answer to the previous question.

Sample Input
11
9412

Sample Output
11
2*2*13*181

Author eddy 重点是素数判定
#include
  
   
#include
   
     using namespace std; int prime[65536]={0}; int main() { for(int i=2;i<=(65535/2);i++) { int q; for( q=i+i;q<=65535;q+=i) prime[q]=1; } int ls[10000];int n;int gq[100]; while(cin>>n) { int t=0; for(int j=2;j<=65535;j++) { if(!prime[j]&&!(n%j)) { ls[t++]=j; n/=j; if(n==1) break; } if(n<=j) j=1; } sort(ls,ls+t); for(int k=0;k
     
    
   
  
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