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Cod sursa(job #900246)
#include <fstream>
#include <algorithm>
#include <iostream>
using namespace std;
ifstream f("nim.in");
ofstream g("nim.out");
int main()
{
int t,nrp,x;
f>>t;
for (int i=1; i<=t; ++i)
{
f>>nrp;
int s=0;
for (int j=1; j<=nrp; ++j)
{
f>>x;
s=s^x;
}
if (s==0) g<<'DA\n';
else g<<'NU\n';
}
f.close(); g.close();
return 0;
}