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Cod sursa(job #894980)
#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("invers.in");
ofstream fout("invers.out");
long long int i, j, x, copie, n,y,z;
int main()
{
fin >> n;
for(i=1;i<=n;i++)
{ z=0;
fin >> x;
for(j=1;j<=x;j++)
{y=0;
copie=j;
while(copie!=0)
{
y=y*10+copie%10;
copie=copie/10;
}
if(j+y==x)
{
z=1;
j=x;
}
}
if(z==1)
fout << "DA\n";
else
fout << "NU\n";
}
fin.close();
fout.close();
return 0;
}