#include<stdio.h>
#include<math.h>
int main()
{int t;
long int m,n,i,j,k;
int flag=0;
//printf("\n");
for(i=0;i<t;i++)
{
for(j=m;j<=n;j++)
{flag=0;
if(j%2==0&&j!=2)
flag=1;
else
for(k=3;k*k<=j;k+=2)
{
if(j%k==0)
{
flag=1;
break;
}
}
if(flag==0&&j>1)
}
}
return 0;
}
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