how to remove 1?

[freeday]

#include<iostream.h>
#include<math.h>

void prime(int,int);

void main()
{
int min ,max;
cout<<"min: ";
cin>>min;
cout<<"max: ";
cin>>max;
prime(min,max);
}
void prime(int min,int max)
{
int i,j,k;
for(i=min;i<=max;i+=1)
{

k=int (sqrt(double(i)));
for(j=2;j<=k;j++)
if(i%j==0)
break;
if(j>=k+1 && i!=1)
cout<<' '<<i;
}
cout<<endl;
}

 

[Karl Heinz Buchegger]

[snip code for a prime tester]

I don't understand. What is your question?
remove 1? from where? Why? What is the problem?

 

[Alf P. Steinbach]

* freeday:

#include<iostream.h>

#include<math.h>

void prime(int,int);

void main()

'void main' is not allowed by the standard, use 'int main'.

{
int min ,max;
cout<<"min: ";
cin>>min;
cout<<"max: ";
cin>>max;
prime(min,max);
}
void prime(int min,int max)
{
int i,j,k;
for(i=min;i<=max;i+=1)
{

k=int (sqrt(double(i)));
for(j=2;j<=k;j++)
if(i%j==0)
break;
if(j>=k+1 && i!=1)
cout<<' '<<i;
}
cout<<endl;
}

Indentation is highly misleading; perhaps you therefore think the last
'if' statement is part of the 'j' loop?

 

[Mike Wahler]

Re: how to remove 1?

"One what?"
-Paul Hogan, as 'Mick' in "Crocodile Dundee"


(My reply is phrased humorously, but the question
it asks does apply to your query.)

-Mike