Submission #974462

#	Time	Username	Problem	Language	Result	Execution time	Memory
974462		Kenjikrab	Gap (APIO16_gap)	C++14	100 / 100	40 ms	3088 KiB

gap

#include "gap.h"
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std;
long long findGap(int T, int N)
{
	if(T==1||N<=10)
	{
		ll ans=0;
		ll mn,mx;
		MinMax((ll)0,(ll)1e18,&mn,&mx);
		if(N==2)return mx-mn;
		for(int i=0;i<(N-1)/2;i++)
		{
			ll mn1,mx1;
			MinMax(mn+1,mx-1,&mn1,&mx1);
			ans=max(ans,mn1-mn);
			ans=max(ans,mx-mx1);
			
			mn=mn1;
			mx=mx1;
		}
		ans=max(ans,mx-mn);
		return ans;
	}
	else
	{
		ll ans=0;
		ll mn,mx;
		MinMax((ll)0,(ll)1e18,&mn,&mx);
		ans=(mx-mn-1)/(N-1)+1;
		ll a=mn;
		while(a<mx)
		{
		 	ll mn1,mx1;
		 	ll temp;
		 	MinMax(a+1,a+ans+1,&mn1,&mx1);
		 	if(mn1==-1&&mx1==-1)
		 	{
		 		temp=a+ans+1;
		 		while(true)
		 		{
		 			MinMax(temp+1,a+(temp+1-a)*2,&mn1,&mx1);
		 			if(mn1==-1&&mx1==-1)
		 			{
		 				temp=a+(temp+1-a)*2;
		 				continue;
		 			}
		 			ans=mn1-a;
		 			a=mx1;
		 			break;
		 		}
		 	}
		 	else
		 	{
		 		if(mn1==a+ans+1&&mx1==a+ans+1)ans+=1;
		 		a=mx1;
		 	}
		 }
		 return ans;
	}
}

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