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/* 
 * File:   main.cpp
 * Author: mg909
 *
 * Created on July 30, 2015, 10:59 AM
 */
 
#include <cstdlib>
#include <iostream>
 
 
int main()
        {
        int i,n,d;
 
        cout<<"Enter the number/n";
        cin>>n;
        int Prime(int n)
                {       if(n==2);
                        {       cout<<"Number is Prime";
                        }
                }
                for(i==2;i<n-1;i++)
                {       if(n/i==d)
                        {       cout<<"Number is not Prime";
                        }
                        else    
                        { cout<<"Number is  prime"
                        }
 
 
 
return 0;
 
 
}
 
 

prog.cpp: In function 'int main()':
prog.cpp:16:9: error: 'cout' was not declared in this scope
         cout<<"Enter the number/n";
         ^
prog.cpp:16:9: note: suggested alternative:
In file included from prog.cpp:9:0:
/usr/include/c++/5/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
prog.cpp:17:9: error: 'cin' was not declared in this scope
         cin>>n;
         ^
prog.cpp:17:9: note: suggested alternative:
In file included from prog.cpp:9:0:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
prog.cpp:19:17: error: a function-definition is not allowed here before '{' token
                 {       if(n==2);
                 ^
prog.cpp:36:1: error: expected '}' at end of input
 }
 ^

Standard output is empty