// Homura Akemi a.k.a. Starrykiller (/user/235125)
// I love Madoka Kaname forever! 
#include <bits/stdc++.h>

using namespace std;

auto range(auto l, auto r) { return views::iota(l,r); }
auto rev=views::reverse;

_GLIBCXX_ALWAYS_INLINE void chmax(auto &a, auto b) { a=max(a,b); }
_GLIBCXX_ALWAYS_INLINE void chmin(auto &a, auto b) { a=min(a,b); }
// #define int long long

struct dsu {
    vector<int> fa;
    dsu() {}
    dsu(int n) { 
        fa.resize(n);
        for (int i=0; i<n; ++i) fa[i]=i;
    }
    int get(int x) { return fa[x]==x?x:fa[x]=get(fa[x]); }
    void merge(int x, int y) { fa[get(x)]=get(y); }
};

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
int T; cin>>T;
// int T=1;
while (T--) []{
    int n; cin>>n;
    dsu d(n+1);
    for (int i=1; i<=n; ++i) {
        int l, r; cin>>l>>r;
        if (d.get(--l)==d.get(r)) {
            cout<<"0\n"; return;
        }
        cout<<1<<'\n';
    }
}();
}