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Cod sursa(job #779031)
#include <cstdio>
#include <cstdlib>
#include <cmath>
using namespace std;
int T, N, M, Dx, Dy, X, Y, xorSum;
int main()
{
freopen("xerox.in", "r", stdin);
freopen("xerox.out", "w", stdout);
int i, j;
scanf("%i", &T);
for(; T; T --)
{
scanf("%i %i %i", &N, &Dx, &Dy);
xorSum = 0;
for(i = 1; i <= N; i++)
{
scanf("%i", &M);
xorSum ^= M;
for(j = 1; j <= M; j++) scanf("%i %i", &X, &Y);
}
if(xorSum == 0) printf("0\n");
else printf("1\n");
}
return 0;
}