Răspuns:
#include <iostream>
using namespace std;
bool cresc(int a)
{
while(a/10)
{
if(a%10<=a/10%10)
return false;
a/=10;
}
return true;
}
int multiplu(int a)
{
int p=0,z=1;
while(a)
{
p=p+a%10*z;
if(a%2==0)
{
z*=10;
p=p+a%10*z;
}
z*=10;
a/=10;
}
return p;
}
int main()
{
int n,x;
cin>>n;
for(int i=0;i<n;i++)
{
cin>>x;
if(cresc(x)==true && multiplu(x)!=x)
cout<<x<<" "<<multiplu(x)<<" ";
}
return 0;
}
