```cpp
#include <cstdio>
#include <cmath>
#include <cstring>
char a[100000];
long long num,t=1;
void ffuck(long long a)
{
for(int i=2;i<=a;++i)
{
int t=0;
if(a%i==0)
{
t=1;
a/=i;
while(1)
{
if(a%i!=0)
break;
t++;
a/=i;
}
printf("%d^%d",i,t);
if(a!=1)
printf("*");
}
}
}
int fuck(long long a)
{
if(a==1)
return 0;
if(a==2||a==3)
return 1;
if(a%6!=1&&a%6!=5)
return 0;
int t=sqrt(a);
for(int i=5;i<=t+1;i+=6)
if(a%i==0||a%(i+2)==0)
return 0;
return 1;
}
int main()
{
freopen("aaa.txt","w",stdout);
while(1)
{
num=0;
gets(a);
int len=strlen(a);
for(int i=len-1;i>=0;i--)
if(a[i]>=48&&a[i]<=57)
{
num+=t*(a[i]-48);
t*=10;
}
printf("Enter the number=");
if(num==0)
break;
if(num!=0)
{
printf("Prime? ");
if(fuck(num)==1)
{
printf("Yes!\n");
printf("\n");
}
if(fuck(num)==0)
{
printf("No!\n");
if(num>2&&num<40000000)
{
printf("%lld=",num);
ffuck(num);
printf("\n");
}
if(num>=40000000)
printf("The number is too large!\n");
printf("\n");
}
}
}
return 0;
}
```
发错代码重发一遍
by 追风の裙子桑 @ 2018-11-07 16:15:17
~~你的函数名好暴躁啊嘤嘤嘤~~
by 杨小艾 @ 2018-11-07 16:19:44
@[追风の裙子桑](/space/show?uid=89177) 去掉freopen
by Dr.九命猫 @ 2018-11-07 16:23:19
@[Dr.九命猫](/space/show?uid=48726) 感谢，已经过了
by 追风の裙子桑 @ 2018-11-07 16:30:21
@[杨小艾](/space/show?uid=138398) QAQ
by 追风の裙子桑 @ 2018-11-07 16:32:07