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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#815296#9870. ItemszzuqyTL 173ms3992kbC++141.6kb2024-12-15 11:57:322024-12-15 11:57:33

Judging History

你现在查看的是最新测评结果

  • [2024-12-15 11:57:33]
  • 评测
  • 测评结果:TL
  • 用时:173ms
  • 内存:3992kb
  • [2024-12-15 11:57:32]
  • 提交

answer

#include<bits/stdc++.h>
#define N 100009
#define D 100009
#define int long long 
using namespace std;
int n,m,k,a[N];
bitset<D*2>ok,ok2;
int aabs(int x,int y){
	return max(x-y,y-x);
}
void solve(){
	scanf("%lld%lld",&n,&m);
	unordered_set<int>s;int k=0;
	for(int i=1;i<=n;i++){
		int x;scanf("%lld",&x);
		s.insert(x);
	}
	for(auto i:s)a[++k]=i;
	sort(a+1,a+k+1);
	a[0]=-10000000000000;
	a[k+1]=10000000000000;
	int tmp=m/n;
	int pos=0;
	for(int i=1;i<=k;i++){
		if(a[i]<=tmp&&tmp<a[i+1])pos=i; 
	} 
	int c=0;
	for(int i=0;i<=n;i++){
		if(aabs(a[pos]*i+a[pos+1]*(n-i),m)<aabs(a[pos]*c+a[pos+1]*(n-c),m))c=i; 
	}
	m-=a[pos]*c+a[pos+1]*(n-c);
	if(aabs(m,0)>D){
		cout<<"No";
		return;
	}
	ok.reset();
	ok[m+D]=1; 
	vector<int>p,q;
	for(int i=1;i<=k;i++){
		if(aabs(a[i],a[pos])<D/2-1&&i!=pos)p.push_back(a[i]-a[pos]);
		if(aabs(a[i],a[pos+1])<D/2-1&&i!=pos+1)q.push_back(a[i]-a[pos+1]); 
	} 
	if(ok[D]){
		cout<<"Yes"<<endl;
		return;
	}
	if(p.size())
	for(int i=1;i<=min(100ll*n/(int)p.size(),c);i++){
		ok2.reset();
		for(auto x:p){
			if(x<0)ok2|=(ok<<(-x));
			else ok2|=(ok>>x);
		}
		ok=ok2|ok;
		if(ok[D]){
			cout<<"Yes"<<endl;
			return;
		}
	}
	if(q.size())
	for(int i=1;i<=min(100ll*n/(int)q.size(),n-c);i++){
		ok2.reset();
		for(auto x:q){
			if(x<0)ok2|=(ok<<(-x));
			else ok2|=(ok>>x);
		} 
		ok=ok2|ok;
		if(ok[D]){
			cout<<"Yes"<<endl;
			return;
		}
	}
	cout<<"No"<<endl;
}
signed main(){
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	int t;scanf("%lld",&t);
	while(t--)solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3736kb

input:

4
5 25
0 0 0 0 5
5 11
4 4 4 5 5
5 0
1 2 3 4 5
5 25
0 1 2 3 4

output:

Yes
No
No
No

result:

ok 4 token(s): yes count is 1, no count is 3

Test #2:

score: 0
Accepted
time: 19ms
memory: 3764kb

input:

1314
1 0
0
1 0
1
1 1
0
1 1
1
2 0
0 0
2 0
0 1
2 0
0 2
2 0
1 0
2 0
1 1
2 0
1 2
2 0
2 0
2 0
2 1
2 0
2 2
2 1
0 0
2 1
0 1
2 1
0 2
2 1
1 0
2 1
1 1
2 1
1 2
2 1
2 0
2 1
2 1
2 1
2 2
2 2
0 0
2 2
0 1
2 2
0 2
2 2
1 0
2 2
1 1
2 2
1 2
2 2
2 0
2 2
2 1
2 2
2 2
2 3
0 0
2 3
0 1
2 3
0 2
2 3
1 0
2 3
1 1
2 3
1 2
2 3
2 0...

output:

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

result:

ok 1314 token(s): yes count is 732, no count is 582

Test #3:

score: 0
Accepted
time: 173ms
memory: 3992kb

input:

10000
4 1
0 0 0 0
4 1
0 0 0 1
4 1
0 0 0 2
4 1
0 0 0 3
4 1
0 0 0 4
4 1
0 0 1 0
4 1
0 0 1 1
4 1
0 0 1 2
4 1
0 0 1 3
4 1
0 0 1 4
4 1
0 0 2 0
4 1
0 0 2 1
4 1
0 0 2 2
4 1
0 0 2 3
4 1
0 0 2 4
4 1
0 0 3 0
4 1
0 0 3 1
4 1
0 0 3 2
4 1
0 0 3 3
4 1
0 0 3 4
4 1
0 0 4 0
4 1
0 0 4 1
4 1
0 0 4 2
4 1
0 0 4 3
4 1
0 ...

output:

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

result:

ok 10000 token(s): yes count is 6168, no count is 3832

Test #4:

score: 0
Accepted
time: 32ms
memory: 3780kb

input:

1612
5 0
0 0 0 0 0
5 0
1 1 1 1 1
5 0
0 1 1 1 1
5 0
2 2 2 2 2
5 0
0 2 2 2 2
5 0
1 2 2 2 2
5 0
0 1 2 2 2
5 0
3 3 3 3 3
5 0
0 3 3 3 3
5 0
1 3 3 3 3
5 0
0 1 3 3 3
5 0
2 3 3 3 3
5 0
0 2 3 3 3
5 0
1 2 3 3 3
5 0
0 1 2 3 3
5 0
4 4 4 4 4
5 0
0 4 4 4 4
5 0
1 4 4 4 4
5 0
0 1 4 4 4
5 0
2 4 4 4 4
5 0
0 2 4 4 4
5...

output:

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

result:

ok 1612 token(s): yes count is 864, no count is 748

Test #5:

score: 0
Accepted
time: 139ms
memory: 3836kb

input:

4662
6 0
0 0 0 0 0 0
6 0
1 1 1 1 1 1
6 0
0 1 1 1 1 1
6 0
2 2 2 2 2 2
6 0
0 2 2 2 2 2
6 0
1 2 2 2 2 2
6 0
0 1 2 2 2 2
6 0
3 3 3 3 3 3
6 0
0 3 3 3 3 3
6 0
1 3 3 3 3 3
6 0
0 1 3 3 3 3
6 0
2 3 3 3 3 3
6 0
0 2 3 3 3 3
6 0
1 2 3 3 3 3
6 0
0 1 2 3 3 3
6 0
4 4 4 4 4 4
6 0
0 4 4 4 4 4
6 0
1 4 4 4 4 4
6 0
0 1...

output:

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

result:

ok 4662 token(s): yes count is 2730, no count is 1932

Test #6:

score: -100
Time Limit Exceeded

input:

1
100000 9999999999
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 9...

output:


result: