#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include "gap.h"
using namespace std;
#define ll long long
#define f first
#define endl "\n"
//#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
#define ll long long
const int mxn=1e5,mod=1000000007,lg=20,root=1000,inf=1e18;
ll v[mxn+10];
ll findGap(int T,int N){
ll mn,mx;
ll ans=1;
ll lmn=1,lmx=1e18;
if(T==1){
ll j=0;
for(ll i=0;i<(N+1)/2;i++){
MinMax(lmn,lmx,&mn,&mx);
if(mn==-1)break;
v[j++]=mn;
v[j++]=mx;
lmn=mn+1;
lmx=mx-1;
}
sort(v,v+N);
for(int i=1;i<N;i++)ans=max(ans,v[i]-v[i-1]);
return ans;
}
MinMax(1,1e18,&mn,&mx);
ans=((mx-mn)/(N-1));//min max gap
ll add=ans+1,cur=mn+1,l,r,last=mn;
while(cur<mx){
MinMax(cur,(m,cur+add-1),&l,&r);
if(l!=-1){
ans=max(ans,l-last);
last=r;
}
cur+=add;
}// 1 2 3 4 5 6 7 8 9 10
return ans;
}
Compilation message
gap.cpp:30:54: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
30 | const int mxn=1e5,mod=1000000007,lg=20,root=1000,inf=1e18;
| ^~~~
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:54:21: error: 'm' was not declared in this scope
54 | MinMax(cur,(m,cur+add-1),&l,&r);
| ^
