#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i=a; i<int(b); i++)
long long findGap(int T, int N)
{
if (T>=1) {
vector<long long> vals;
long long hi=1e18;
long long lo=0;
long long ans1,ans2;
rep (i,0,(N+1)/2) {
assert(lo<=hi);
MinMax(lo,hi,&ans1,&ans2);
vals.push_back(ans1);
vals.push_back(ans2);
lo=ans1+1;
hi=ans2-1;
}
sort(vals.begin(),vals.end());
long long maxdist=0;
rep (i,0,vals.size()) {
maxdist=max(maxdist,vals[i+1]-vals[i]);
//cout << maxdist << endl;
}
return maxdist;
}
return 0;
}
