Submission #137823

#	Time	Username	Problem	Language	Result	Execution time	Memory
137823		mohammedehab2002	Last supper (IOI12_supper)	C++11	0 / 100	138 ms	11072 KiB

advisor

#include "advisor.h"
#include <bits/stdc++.h>
using namespace std;
int arr[200005],nex[200005],l[200005],advice[200005];
pair<int,int> cur[100005];
void ComputeAdvice(int *c,int n,int k,int m)
{
	for (int i=0;i<k;i++)
	arr[i]=i;
	for (int i=k;i<n+k;i++)
	arr[i]=c[i-k];
	for (int i=n+k-1;i>=0;i--)
	{
		if (!l[arr[i]])
		nex[i]=1e9;
		else
		nex[i]=l[arr[i]];
		l[arr[i]]=i;
	}
	set<pair<int,int>,greater<pair<int,int> > > s;
	for (int i=0;i<n;i++)
	{
		cur[i]={-1,-1};
		if (i<k)
		{
			s.insert({nex[i],i});
			cur[i]={nex[i],i};
		}
	}
	for (int i=k;i<n+k;i++)
	{
		if (cur[arr[i]].first==-1)
		{
			cur[arr[s.begin()->second]]={-1,-1};
			s.erase(s.begin());
		}
		else
		{
			s.erase(cur[arr[i]]);
			advice[cur[arr[i]].second]=1;
			cur[arr[i]]={nex[i],i};
			s.insert(cur[arr[i]]);
		}
		s.insert({nex[i],i});
	}
	for (int i=0;i<n+k;i++)
	WriteAdvice(advice[i]);
}

assistant

#include "assistant.h"
#include <bits/stdc++.h>
using namespace std;
bool in[100005];
void Assist(unsigned char *advice,int n,int k,int r) 
{
	set<int> s;
	for (int i=0;i<k;i++)
	{
		in[i]=1;
		if (!advice[i])
		s.insert(i);
	}
	for (int i=k;i<n+k;i++)
	{
		int cur=GetRequest();
		if (in[cur])
		continue;
		PutBack(*s.begin());
		in[*s.begin()]=0;
		s.erase(s.begin());
		in[cur]=1;
		if (!advice[i])
		s.insert(cur);
		else if (s.find(cur)!=s.end())
		s.erase(cur);
	}
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 35
• Subtask 5: 0 / 39