06/04/2017

Geeksforgeeks Solution For " The Prime Twins "

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Problem :- The Prime Twins

Submit Your Solution :- Click Here 

Solution :- 

# include <iostream>
#include<math.h>
using namespace std;
int isprime(int i)
{
    int flag=1;
    for(int j=2;j<=sqrt(i);j++)
    {
        if(i%j==0)
        {
            flag=0;
            break;
        }
        
    }
    return flag;
}

int main()
{
   int  T;
   cin>>T;
   while(T--)
   {
       int min,max,t,cnt=0,f=0,a[100]={0},count=0;
       cin>>min>>max;
       for(int i=min;i<=max;i++)
       {
           if(isprime(i)==1)
           {
             a[count]=i;
             count++;
           }
       }
       for(int i=0;i<=count;i++)
       {
           if(a[i+1]-a[i]==2)
           {
               cout<<a[i]<<" "<<a[i+1];
               f=1;
               break;
           }
       }
       if(f==0)
       cout<<"-1";
       cout<<endl;
   }
}

Output:-



Geeksforgeeks Solution For " The Prime Twins "

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Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer. Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages. Get a Competitive Website Solution also Ie. Hackerrank Solutions and Geeksforgeeks Solutions. If You Are Interested to Learn a C Programming Language and You Don't Have Experience in Any Programming, You Should Start with a C Programming Language, Read: List of Format Specifiers in C.
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