Submission #256856

#	Time	Username	Problem	Language	Result	Execution time	Memory
256856		Goolakh	Gap (APIO16_gap)	C++17	100 / 100	79 ms	1912 KiB

gap

// FUCKED UP FUCKED UP FUCKED UP FUCKED UP FUCKED UP
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;

#pragma GCC optimize("O2,no-stack-protector,unroll-loops,fast-math")

#define F first
#define S second
#define pb push_back
#define SZ(x) (ll)(x.size())
#define all(x) x.begin(),x.end()
#define MP make_pair

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll maxn=1e5+10, maxm=5e4+10, lg=21, mod=998244353, inf=1e18;

const ll MN=0,MX=inf;

ll ret=MN,a[maxn];
 
ll findGap(int T,int n){
	if(T==1){
		ll L=MN,R=MX,k=0;
		for(int i=n;i>0;i-=2){
			MinMax(L,R,&a[k],&a[n-1-k]);
			L=a[k]+1, R=a[n-1-k]-1;
			k++;
		}
		for(int i=1;i<n;i++) ret=max(ret,a[i]-a[i-1]);
	}
	else{
		ll lf,ri,gap;
		MinMax(MN,MX,&lf,&ri);
		gap=ret=(ri-lf+n-2)/(n- 1);
		ll pr=-1;
		for(ll i=lf;i<=ri;i+=gap+1){
			ll t1,t2;
			MinMax(i,min(i+gap,ri),&t1,&t2);
			if(t1!=-1){
				if(pr!=-1) ret=max(ret,t1-pr);
				pr=t2;
			}
		}
	}
	return ret;
}


/*
int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	
	
	
	return 0;
}
*/


 

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70