#include <bits/stdc++.h>
#define F first
#define S second
#define P push
#define pb push_back
#define MEM(dp,i) memset(dp,i,sizeof(dp))
#define W while
#define R return
#define C continue
#define SI size()
#define ll unsigned long long
#define pll pair<ll,ll>
#define SF(x) scanf("%I64d",&x)
using namespace std;
const long long INF = 2e9;
long long MOD = 1e9+7;
void MinMax(ll ,ll ,ll *,ll *);
//ll ar[12];
//void MinMax(ll s,ll e,ll *mn,ll *mx){
// *mn=-1;
// *mx=-1;
// for(int i=0;i<10;i++){
// if(s<=ar[i]&&ar[i]<=e){
// if(*mn!=-1)*mn=min(*mn,ar[i]);
// else *mn=ar[i];
// if(*mx!=-1)*mx=max(*mx,ar[i]);
// else *mx=ar[i];
// }
// }
//}
long long findGap(int ,int );
ll a[300006];
vector<pll> v[3];
vector<ll> arr;
long long findGap(int t,int n){
if(t==1){
ll l=0,r=1e18;
ll res=0;
ll i=0,j=n-1;
W(i<=j){
MinMax(l,r,&l,&r);
a[i]=l;
a[j]=r;
r--,l++;
i++,j--;
}
for(int i=1;i<n;i++)res=max(res,a[i]-a[i-1]);
R res;
}
else{
v[0].pb({0,1e18});
ll cur=0;
W(!v[cur].empty()){
ll sum=0;
for(int i=0;i<v[cur].SI;i++){
sum+=v[cur][i].S-v[cur][i].F+1;
}
ll len=sum/100000;
ll i;
ll mx,mn;
// cout<<sum<<endl;
W(!v[cur].empty()){
i=v[cur].SI-1;
for(ll j=v[cur][i].F;j<=v[cur][i].S;j+=len){
MinMax(j,min(j+len-1,v[cur][i].S),&mn,&mx);
// cout<<j<<endl;
if(mn==-1)C;
arr.pb(mn);
if(mx!=mn)arr.pb(mx);
if(mn!=mx)v[cur^1].pb({mn+1,mx-1});
// cout<<mn<<" "<<mx<<endl;
}
// cout<<'s';
// cout<<v[cur][0].F<<" "<<v[cur][0].S<<endl;
v[cur].pop_back();
}
cur^=1;
}
ll res=0;
sort(arr.begin(),arr.end());
for(int i=1;i<arr.SI;i++){
res=max(res,arr[i]-arr[i-1]);
}
R res;
}
}
//int main(){
// ar[0]=0;
// ar[1]=5;
// ar[2]=10;
// for(int i=3;i<10;i++)ar[i]=ar[i-1]*100;
// cout<<findGap(2,10);
//}
Compilation message
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:56:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<v[cur].SI;i++){
^
gap.cpp:68:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(mn==-1)C;
^
gap.cpp:82:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=1;i<arr.SI;i++){
^
/tmp/ccdVg8YL.o: In function `findGap(int, int)':
gap.cpp:(.text+0x261): undefined reference to `MinMax(unsigned long long, unsigned long long, unsigned long long*, unsigned long long*)'
gap.cpp:(.text+0x40a): undefined reference to `MinMax(unsigned long long, unsigned long long, unsigned long long*, unsigned long long*)'
collect2: error: ld returned 1 exit status
