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Cod sursa(job #843508)
#include <stdio.h>
int main()
{
int i, j, k, T;
freopen("xerox.in", "r", stdin);
freopen("xerox.out", "w", stdout);
scanf("%d", &T);
for (i = 1; i <= T; i ++)
{
int N, DX, DY, xorsum = 0;
scanf("%d%d%d", &N, &DX, &DY);
for (j = 1; j <= N; j ++)
{
int x, tmp;
scanf("%d", &x);
xorsum = xorsum ^ x;
for (k = 1; k <= x; k ++)
scanf("%d%d", &tmp, &tmp);
}
if (xorsum)
xorsum = 1;
printf("%d\n", xorsum);
}
return 0;
}