#include "gap.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
long long findGap(int T, int N)
{
ll mn,mx,n=N;
MinMax(0,1e18,&mn,&mx);
ll l=mn,r=mx;
if(T==1){
ll ans=0;
while(l+1<=r-1){
MinMax(l+1,r-1,&mn,&mx);
ans=max({ans,mn-l,r-mx});
l=mn,r=mx;
}
return ans;
}
ll block=(r-l-1)/(n-1)+1;
ll ans=0,last=mn;
for(ll i=mn;i<r;i+=block){
MinMax(i+1,i+block,&mn,&mx);
if(mx!=-1)
ans=max(max(ans,mn-last),mx-mn),last=mx;
}
return ans;
}
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