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 .
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