#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
using ll = long long;
long long findGap(int T, int N)
{
if(T == 1) {
vector<ll> a(N);
ll l = 0, r = 1e18;
int i = 0, j = N - 1;
while(i <= j) {
ll mn, mx;
MinMax(l, r, &mn, &mx);
a[i] = mn;
a[j] = mx;
l = mn + 1;
r = mx - 1;
++i;
--j;
}
ll ans = 0;
for(int i=0;i<N-1;++i)
ans = max(ans, a[i + 1] - a[i]);
return ans;
} else {
vector<ll> a;
ll mn, mx;
MinMax(0, 1e18, &mn, &mx);
a.push_back(mn);
a.push_back(mx);
ll l = mn, r = mx;
++l;
--r;
ll gaps = (mx - mn + (N - 2) - 1) / (N - 2);
ll st = l, en;
while(st < r && a.size() < N) {
en = min(r, st + (gaps - 1));
bool f = true, f1 = false;
mn = -1, mx = -1;
while(st <= en && (f || (!f && !f1))) {
MinMax(st, en, &mn, &mx);
if(mn != -1) {
a.push_back(mn);
if(mx != mn) {
a.push_back(mx);
f1 = true;
} else {
f1 = false;
}
} else {
f1 = false;
}
f = true;
}
st += gaps;
}
sort(a.begin(), a.end());
ll ans = 0;
for(int i=0;i<N-1;++i) {
ans = max(ans, a[i + 1] - a[i]);
}
return ans;
}
}
