Submission #835892

#	Time	Username	Problem	Language	Result	Execution time	Memory
835892		BT21tata	Gap (APIO16_gap)	C++17	43.91 / 100	58 ms	1108 KiB

gap

#include "gap.h"
#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
 
long long findGap(int T, int n)
{
	ll mn, mx;
	MinMax(0, 1e18, &mn, &mx);
	ll gap=(mx-mn-1)/(n-1)+1;
	ll l=mn, r=mx, curl=l, curr=l+gap-1, ans=gap;
	//cout<<curr<<endl;
	while(curr-gap<=r)
	{
		//cout<<curl<<' '<<curr<<" "<<ans<<endl;
		MinMax(curl+1, curr, &mn, &mx);
		if(mx==-1) mn=mx=curl;
		else mn=curl;
		if(mn!=mx and mx-mn<=gap) curl=mx, curr=curl+gap-1;
		else if(mn==mx) curl=mn, curr+=gap;
		else
		{
			MinMax(curr-gap+1, curr, &mn, &mx);
			if(mn==mx) ans=max(ans, mx-curl);
			else ans=max(ans, mn-curl);
			curl=mx, curr=curl+gap-1;
		}
	}
	return ans;
}
/*
11
5 7 8 100 130 190 200 201 203 1000 2004
*/

• Subtask 1: 0 / 30
• Subtask 2: 43.909981477 / 70