#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
long long findGap(int t, int n) {
vector<long long> a(n + 1);
if (t == 1) {
long long mi = - 1, ma = 1e18 + 1;
int l = 1;
int r = n;
while (l <= r) {
MinMax(mi + 1, ma - 1, &mi, &ma);
a[l] = mi, a[r] = ma;
l++, r--;
}
long long ans = 0;
for (int i = 2; i <= n; i++) ans = max(ans, a[i] - a[i - 1]);
return ans;
}
long long ans = 0;
long long mi = - 1, ma = 1e18 + 1;
MinMax(mi + 1, ma - 1, &mi, &ma);
long long maxx = ma;
long long res = (ma - mi) / (n - 1);
while (mi != maxx) {
int cnt = 0;
long long cur_mi = mi;
MinMax(cur_mi + 1, cur_mi + res, &mi, &ma);
while (mi == - 1) MinMax(cur_mi + 1, cur_mi + res * (++cnt), &mi, &ma);
ans = max(ans, mi - cur_mi);
mi = ma;
}
return ans;
}
