#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#include "gap.h"
//#define int long long
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;
typedef vector<bool> vb;
typedef deque<int> di;
typedef deque<pii> dii;
typedef long long ll;
typedef tree<pii,null_type,less<pii>,rb_tree_tag,
tree_order_statistics_node_update> oset;
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mid (l+r)/2
#define all(x) x.begin(),x.end()
#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)
#define cont(x) for(auto el:x) cout<<el<<' ';cout<<endl;
#define contp(x) for(auto el:x) cout<<el.fi<<'-'<<el.se<<' ';cout<<endl;
#define sp <<" "<<
#define DEBUG(x) cout<<(#x) sp x<<endl
#define carp(a,b) (((a%MOD)*(b%MOD))%MOD)
#define topla(a,b) (((a%MOD)+(b%MOD))%MOD)
const ll INF=1e18;
const int MAXN=5e3+5;
const int MOD=1e9+7;
ll findGap(int T, int n){
ll l=0;
ll r=1e18;
ll mn,mx;
MinMax(l,r,&mn,&mx);
l=mn+1;
r=mx-1;
int sz=(r-l+1)/(n-1);
vii ans;
for(int i=l;i<=r;i+=sz+1){
MinMax(i,i+sz,&mn,&mx);
if(mn!=-1) ans.pb({mn,mx});
}
ll fark=0;
FORE(i,1,ans.size()){
MinMax(ans[i-1].se,ans[i].fi,&mn,&mx);
fark=max(fark,mx-mn);
}
return fark;
}
