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#include <bits/stdc++.h>
#define cin ci
#define cout co
#define ll long long
using namespace std;
ifstream cin("bibel.in");
ofstream cout("bibel.out");
const int Nmax = 18;
const int INF = 1e9;
int q, x, y, n;
vector<vector<int>> dp;
vector<pair<int, int>> pct, last;
vector<int> niv;
int first = 1;
int dist(pair<int, int> a, pair<int, int> b)
{
return (a.first - b.first) * (a.first - b.first) + (a.second - b.second) * (a.second - b.second);
}
void solve()
{
int k = pct.size();
dp.assign((1 << k), vector<int>(k, INF));
niv.resize(pct.size());
if(first)
{
for(int i=0; i<(int)pct.size(); i++)
dp[(1 << i)][i] = dist(pct[i], {0, 0});
}
else
{
for(int i=0; i<(int)pct.size(); i++)
for(int j=0; j<(int)last.size(); j++)
{
int val = niv[j] + dist(pct[i], last[j]);
dp[1 << i][ i ] = min( dp[1 << i][ i ], val);
}
}
for(int mask = 1; mask < (1 << (int)pct.size()); mask++)
for(int i=0; i<(int)pct.size(); i++)
if(mask & (1 << i))
for(int j=0; j<(int)pct.size(); j++)
if(mask & (1 << j))
dp[mask][i] = min(dp[mask][i] , dp[mask ^ (1 << i)][j] + dist(pct[i], pct[j]));
last.clear();
for(auto i : pct)
last.push_back(i);
for(int i=0; i<(int)pct.size(); i++)
niv[i] = dp[(1 << pct.size()) - 1][i];
int ans = INF;
for(int i=0; i<(int)pct.size(); i++)
ans = min(ans, dp[(1 << pct.size()) - 1][i]);
cout << ans << '\n';
pct.clear();
}
int32_t main()
{
dp.assign((1 << Nmax), vector<int>(Nmax + 1, INF));
while(1)
{
cin >> q;
if(q == 1)
{
solve();
first = 0;
}
else if(!q)
{
cin >> x >> y;
pct.push_back({x, y});
}
else
break;
}
return 0;
}