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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#660691#9356. LRU AlgorithmXG0000#TL 0ms4076kbC++141.2kb2024-10-20 12:45:372024-10-20 12:45:37

Judging History

你现在查看的是最新测评结果

  • [2024-10-20 12:45:37]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:4076kb
  • [2024-10-20 12:45:37]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ull unsigned long long
const int N=5010,P=13331;
vector<ull> H[N],H1[N];
vector<int> s;
int T,n,q,a[N];

bool find_site(vector<ull> &s,ull h)
{
	auto t=lower_bound(s.begin(),s.end(),h);
	if(t!=s.end() && (*t)==h) return 1;
	return 0;
}

int main(void)
{
	scanf("%d",&T);
	while(T--)
	{
		for(int i=1;i<=n;i++) H[i].clear(),H1[i].clear();
		scanf("%d%d",&n,&q);
		for(int i=1,x;i<=n;i++) 
		{
			scanf("%d",&x);
			auto t=s.begin();
			while(t!=s.end())
			{
				if((*t)==x) {s.erase(t);break;}
				t++;
			}
			s.push_back(x);
			ull hh=0;
			for(int j=s.size()-1;j>=0;j--) hh=hh*P+s[j],H[s.size()-j].push_back(hh);
			H1[s.size()].push_back(hh);
		}
		for(int i=1;i<=n;i++) sort(H[i].begin(),H[i].end()),sort(H1[i].begin(),H1[i].end());
		while(q--)
		{
			int m,len;
			bool flag=0;
			ull hh=0;
			scanf("%d",&m);len=m;
			while(m--)
			{
				int x;
				scanf("%d",&x);
				if(!x) {len--;flag=1;continue;}
				hh=hh*P+x;
			}
			if(flag)
			{
				if(find_site(H1[len],hh)) puts("Yes");
				else puts("No");
			}
			else
			{
				if(find_site(H[len],hh)) puts("Yes");
				else puts("No");
			}
		}
	}

	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 4076kb

input:

1
7 5
4 3 4 2 3 1 4
1 4
2 2 3
3 3 2 1
4 4 1 3 2
4 3 4 0 0

output:

Yes
No
No
Yes
Yes

result:

ok 5 lines

Test #2:

score: -100
Time Limit Exceeded

input:

105
50 10
23 30 34 20 27 11 21 29 12 7 21 42 45 48 8 15 6 16 19 35 16 14 29 11 31 18 22 4 45 22 14 4 13 40 43 48 27 15 15 15 15 10 15 11 31 37 34 34 50 14
1 25
2 23 6
3 29 21 11
4 12 29 18 39
5 29 21 11 27 20
6 21 10 9 3 34 14
7 49 36 36 43 50 50 35
8 12 29 21 11 27 20 34 30
9 11 27 20 34 30 23 0 0 ...

output:

No
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
No
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
No
No
Yes
No
No
No
Yes
No
Yes
Yes
No
No
Yes
No
No
No
No
No
Yes
No
Yes
No
Yes
No
No
No
Yes
No
Yes
No
No
No
No
No
No
No
No
No
Yes
...

result: