Submission #44712

#	Time	Username	Problem	Language	Result	Execution time	Memory
44712		faustaadp	Gap (APIO16_gap)	C++17	100 / 100	100 ms	2584 KiB

gap

#include "gap.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll ma,L,R,gm,i,LT,RT,a[101010];
vector<ll> v;
long long findGap(int T, int N)
{
	if(T==1)
	{
		LT=-1;
		RT=1e18;
		RT++;
		for(i=1;i<=(N+1)/2;i++)
		{
			MinMax(LT+1,RT-1,&LT,&RT);
			a[i]=LT;
			a[N-i+1]=RT;
		}
		for(i=2;i<=N;i++)
			ma=max(ma,a[i]-a[i-1]);
	}
	else
	{
		MinMax(0,(ll)1e18,&L,&R);
		gm=(R-L)/(N-1);
		for(i=L;i<R;i+=(gm+1))
		{
			MinMax(i,min(i+gm,R),&LT,&RT);
			if(LT!=-1)
				v.pb(LT);
			if(LT!=RT)
				v.pb(RT);
		}
		for(i=1;i<v.size();i++)
			ma=max(ma,v[i]-v[i-1]);
	}
	return ma;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:39:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=1;i<v.size();i++)
           ~^~~~~~~~~

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