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Cod sursa(job #468884)
#include <cstdio>
#include <vector>
#include <queue>
#define pmax 200005
#define pb push_back
using namespace std;
typedef vector <int> VI;
int n, nc, val [pmax];
VI c, g [pmax], gt [pmax];
bool viz [pmax];
inline int neg (int x)
{return (x<=n)? x+n:x-n;}
void scan ()
{
int m, a, b, s;
scanf ("%d%d", &n, &m);
for (; m; --m)
{
scanf ("%d%d%d", &a, &b, &s);
if (s == 0)
{
g [neg (a)].pb (b);
g [neg (b)].pb (a);
gt [b].pb (neg (a));
gt [a].pb (neg (b));
}
if (s == 1)
{
g [a].pb (neg (b));
g [b].pb (neg (a));
gt [neg (b)].pb (a);
gt [neg (a)].pb (b);
}
if (s == 2)
{
g [a].pb (b);
g [neg (a)].pb (neg (b));
gt [b].pb (a);
gt [neg (b)].pb (neg (a));
g [b].pb (a);
g [neg (b)].pb (neg (a));
gt [a].pb (b);
gt [neg (a)].pb (neg (b));
}
}
}
void dfs1 (int x)
{
viz [x]=true;
for (int i=0; i < g [x].size (); ++i)
if (!viz [g [x] [i]]) dfs1 (g [x] [i]);
c.pb (x);
}
void dfs2 (int x)
{
viz [x]=true;
viz [neg (x)]=true;
val [x]=0;
val [neg (x)]=1;
for (int i=0; i < gt [x].size (); ++i)
if (!viz [gt [x] [i]]) dfs2 (gt [x] [i]);
}
void scc ()
{
int i;
for (i=1; i <= 2*n; ++i)
if (!viz [i]) dfs1 (i);
memset (viz, 0, sizeof (viz));
for (i=c.size ()-1; i >= 0; --i)
if (!viz [c [i]]) dfs2 (c [i]);
}
void print ()
{
for (int i=1; i <= n; ++i) printf ("%d ", val [grup [i]]);
printf ("\n");
}
int main ()
{
freopen ("andrei.in", "r", stdin);
freopen ("andrei.out", "w", stdout);
scan ();
scc ();
print ();
return 0;
}