#include
#include <stdio.h>
using namespace std;
int prime(int n)
{
int i=2,flag=1;
while(i<n)
{
if(n%i==0)
{
flag==1;
break;
}
i=i+1;
}
if(flag==0)
{
return n;
}
}
int main()
{
int high,low,prm,t,x=1;
scanf("%d",&t);
while(t<=x)
{
scanf("%d,%d",&low,&high);
while(low<=high)
{
prm=prime(low);
printf("%d",prm);
low=low+1;
}
t=t+1;
}
}
Input:
2
1 10
3 5
but
Output:
is blank. Where am i going wrong?