Submission #137833

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
137833	2019-07-28T10:37:37 Z	mohammedehab2002	Last supper (IOI12_supper)	C++11	100 / 100	173 ms	18824 KB

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;
			s.insert(cur[arr[i]]);
		}
		cur[arr[i]]={nex[i],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])
		{
			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

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	880 KB	Output is correct
2	Correct	4 ms	956 KB	Output is correct
3	Correct	5 ms	1040 KB	Output is correct
4	Correct	7 ms	1052 KB	Output is correct
5	Correct	7 ms	1116 KB	Output is correct
6	Correct	8 ms	1292 KB	Output is correct
7	Correct	10 ms	1520 KB	Output is correct
8	Correct	9 ms	1264 KB	Output is correct
9	Correct	9 ms	1264 KB	Output is correct
10	Correct	11 ms	1520 KB	Output is correct
11	Correct	10 ms	1672 KB	Output is correct

Subtask #2

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	2032 KB	Output is correct
2	Correct	63 ms	8176 KB	Output is correct
3	Correct	142 ms	16624 KB	Output is correct
4	Correct	77 ms	9200 KB	Output is correct
5	Correct	82 ms	9968 KB	Output is correct
6	Correct	105 ms	12528 KB	Output is correct
7	Correct	136 ms	15856 KB	Output is correct
8	Correct	109 ms	12320 KB	Output is correct
9	Correct	79 ms	9608 KB	Output is correct
10	Correct	162 ms	17904 KB	Output is correct

Subtask #3

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	122 ms	13024 KB	Output is correct
2	Correct	148 ms	16944 KB	Output is correct
3	Correct	146 ms	17032 KB	Output is correct
4	Correct	153 ms	17648 KB	Output is correct
5	Correct	155 ms	17904 KB	Output is correct
6	Correct	153 ms	17160 KB	Output is correct
7	Correct	168 ms	17440 KB	Output is correct
8	Correct	127 ms	13800 KB	Output is correct
9	Correct	151 ms	18824 KB	Output is correct
10	Correct	173 ms	17136 KB	Output is correct

Subtask #4

35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1264 KB	Output is correct
2	Correct	9 ms	1520 KB	Output is correct
3	Correct	7 ms	1068 KB	Output is correct
4	Correct	7 ms	1080 KB	Output is correct
5	Correct	7 ms	1068 KB	Output is correct
6	Correct	7 ms	1264 KB	Output is correct
7	Correct	9 ms	1264 KB	Output is correct
8	Correct	10 ms	1264 KB	Output is correct
9	Correct	10 ms	1520 KB	Output is correct
10	Correct	12 ms	2032 KB	Output is correct

Subtask #5

39.0 / 39.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	137 ms	14832 KB	Output is correct - 120000 bits used
2	Correct	141 ms	15344 KB	Output is correct - 122000 bits used
3	Correct	153 ms	16016 KB	Output is correct - 125000 bits used
4	Correct	148 ms	15856 KB	Output is correct - 125000 bits used
5	Correct	155 ms	15944 KB	Output is correct - 125000 bits used
6	Correct	160 ms	15904 KB	Output is correct - 125000 bits used
7	Correct	156 ms	15856 KB	Output is correct - 124828 bits used
8	Correct	172 ms	15856 KB	Output is correct - 124910 bits used
9	Correct	151 ms	15944 KB	Output is correct - 125000 bits used
10	Correct	124 ms	12528 KB	Output is correct - 125000 bits used