QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#291441#5466. Permutation Compressionushg8877#WA 2ms10576kbC++141.8kb2023-12-26 16:56:492023-12-26 16:56:49

Judging History

你现在查看的是最新测评结果

  • [2023-12-26 16:56:49]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:10576kb
  • [2023-12-26 16:56:49]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define MP make_pair
mt19937 rnd(time(0));
const int MAXN=2e5+5;
int n,m,k;
int a[MAXN],pa[MAXN],lg[MAXN];
bool flag[MAXN],ban[MAXN];
multiset<int> se;
struct ST_table{
int a[20][MAXN];
void init(){
	for(int i=1;i<=n;i++) a[0][i]=0;
} 
void build(){
	for(int i=1;i<20;i++)
		for(int j=1;j+(1<<i)-1<=n;j++)
			a[i][j]=max(a[i-1][j],a[i-1][j+(1<<i-1)]);
}
int ask(int l,int r){
	int k=lg[r-l+1];
	return max(a[k][l],a[k][r-(1<<k)+1]);
}
}st;
struct BIT{
int a[MAXN];
void init(){for(int i=1;i<=n;i++)a[i]=0;} 
void add(int x,int d){while(x<=n)a[x]+=d,x+=(x&-x);}
int ask(int x){int r=0;while(x)r+=a[x],x-=(x&-x);return r;} 
}T;
void solve(){
	cin>>n>>m>>k;
	for(int i=1;i<=n;i++) cin>>a[i],pa[a[i]]=i,flag[i]=false;
	bool tmp=false;
	for(int i=1,x,lst=0;i<=m;i++){
		cin>>x,flag[x]=true;ban[pa[x]]=true;
		if(pa[x]<lst) tmp=true;lst=pa[x]; 
	} 
	se.clear();
	for(int i=1;i<=k;i++){
		int x;cin>>x;se.insert(x);
	}
	if(tmp){cout<<"NO"<<endl;return;}
	T.init();st.init();
	for(int i=1;i<=n;i++) if(ban[i]) st.a[0][i]=a[i];
	st.build();
	for(int i=1;i<=n;i++) T.add(i,1);
//	cout<<st.ask(1,2)<<endl;
	for(int i=n;i>=1;i--) if(!flag[i]){
		int p=pa[i];
		int l=1,r=p,mid,L,R;
		while(l<r){
			mid=l+r>>1;
			if(st.ask(mid,p)>i) l=mid+1;
			else r=mid;
		} 
		L=l;
		l=p,r=n;
		while(l<r){
			mid=l+r+1>>1;
			if(st.ask(p,mid)>i) r=mid-1;
			else l=mid;
		}
		R=r;
//		cout<<L<<' '<<R<<' '<<p<<endl; 
		int x=T.ask(R)-T.ask(L-1);
		if(se.empty()){cout<<"NO"<<endl;return;}
		auto it=se.upper_bound(x);
		if(it==se.begin()){cout<<"NO"<<endl;return;}
		--it;se.erase(it); 
		T.add(p,-1);
	}
	cout<<"YES"<<endl;
}
int main(){
	ios::sync_with_stdio(false);
	for(int i=2;i<MAXN;i++) lg[i]=lg[i>>1]+1;
	int _;cin>>_;
	while(_--) solve();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 7756kb

input:

3
5 2 3
5 1 3 2 4
5 2
1 2 4
5 5 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
3 2 2
3 1 2
3 2
2 3

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 10576kb

input:

100
2 1 2
2 1
2
1 1
2 1 2
1 2
1
2 2
2 1 1
1 2
1
2
6 1 5
3 4 2 5 6 1
3
5 2 1 1 1
6 1 6
2 1 3 6 4 5
1
4 1 2 2 1 4
3 3 2
2 1 3
2 1 3
2 2
1 1 1
1
1
1
1 1 1
1
1
1
2 1 2
2 1
2
1 2
4 4 3
2 1 3 4
2 1 3 4
4 3 1
1 1 1
1
1
1
6 5 1
6 2 5 4 3 1
6 2 4 3 1
4
1 1 1
1
1
1
6 5 3
3 6 1 4 5 2
3 6 1 4 2
3 3 4
4 3 4
3 4 ...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YE...

result:

wrong answer 82nd lines differ - expected: 'YES', found: 'NO'