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北京大学《ACM/ICPC大学生程序设计竞赛训练》暑期课面向全球招生!

输出约数个数的最后一位(附代码)

Posted by 799098386 at 2012-07-18 15:52:47 on Problem 2603
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
int main()
{
    int m,n=1;
    int i,j,k;
    int a[10006];
    for(i=0;i<10006;i++)
     a[i]=1;
    for(i=0;i<10;i++)
    {
     scanf("%d",&m);
  
       for(j=2;m!=1;j++)
        {
        while(m%j==0)
           {
           
             a[j]=a[j]+1;
             m=m/j;
            
          }
          
        }
    }
    for(i=0;i<10006;i++)
    
      if(a[i]!=1)
        n=n*a[i];
    printf("%d\n",n%10);
       // system("pause");
}

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