#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
long long findGap(int T, int N) {
if(T==1) {
ll pmn, pmx, mn, mx, ret = 0;
MinMax(0, (ll)1e18+10, &pmn, &pmx);
for(int i=1; i<(N+1)/2; i++) {
MinMax(pmn+1, pmx-1, &mn, &mx);
ret = max(ret, mn - pmn);
ret = max(ret, pmx - mx);
pmn = mn, pmx = mx;
} ret = max(ret, pmx - pmn);
return ret;
} else {
ll st, ed, ret = 0;
MinMax(0, (ll)1e18+10, &st, &ed);
ll gap = (ed - st + 1) / (N - 1);
ll i = st+1, prev = st;
for(int block=0; block<N-1; block++) {
ll j = i + gap - 1;
if(block < gap % (N-1)) j++;
ll mn, mx;
MinMax(i, j, &mn, &mx);
if(mn != -1) {
ret = max(ret, mn - prev);
prev = mx;
} i = j + 1;
}
return max(ret, ed - prev);
}
}
