Tuesday, 15 November 2016

Q1. 15/11/2016

#include<conio.h>
#include<iostream.h>

int check_prime(int x);
void main()

{ clrscr();
  int a,b,z;
  cout<<"Enter the range below \n";
  cout<<"From ";
  cin>>a;
  cout<<"To ";
  cin>>b;
  for (int i=a;i<=b;i++)
      { z=check_prime(i);
if (z==1)
  { cout<<i<<" is a prime no. \n ";
  }
      }
  getch();
}

int check_prime(int x)

{ int z,w=0,y=0;

  for (int i=1;i<=x;i++)
      { z=x%i;
if (z==0)
  {w++;
  }
      }
  if (w==2)
     { y=1;
     }
  return(y);
}

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