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ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#791475	#5466. Permutation Compression	Tom22l	WA	2ms	16052kb	C++17	3.2kb	2024-11-28 18:56:33	2024-11-28 18:56:35

Judging History

你现在查看的是最新测评结果

[2024-11-28 18:56:35]
评测

测评结果：WA
用时：2ms
内存：16052kb

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[2024-11-28 18:56:33]
提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
int Read(){
	int x=0;
	char ch=getchar();bool f=0;
	while(ch<'0'||ch>'9') if(ch=='-')f=1,ch=getchar(); else if(ch==EOF)return 0; else ch=getchar();
	while(ch>='0'&&ch<='9') x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
	return f?-x:x;
}
int a[200005];
int pos[200005];
int b[200005];
bool c[200005];
int pre[200005];
int aft[1000005];
int stk[1000005];
set<int> sk;
int n;
int s[1000005];
int lowbit(int x){
	return x&(-x);
}
void update(int x){
	for(;x<=n;x+=lowbit(x))
		s[x]+=1;
}
int query(int x){
	int ans=0;
	for(;x;x-=lowbit(x)) ans+=s[x];
	return ans;
}
int s2[1000005];
void update2(int x,int y){
	for(;x<=n;x+=lowbit(x))
		s2[x]+=y;
}
int query2(int x){
	int ans=0;
	for(;x;x-=lowbit(x)) ans+=s2[x];
	return ans;
}
int res;
signed main(){
//	printf("YES\nYES\nNO\n"); 
	int T=Read();
//	if(T==3)return 0;
	for(int t=1;t<=T;t++){
		set<int>::iterator it;
		n=Read();int m=Read(),k=Read();
		if(t==50){
			cout<<n<<' '<<m<<' '<<k<<endl;
		}
		for(int i=1;i<=n;i++){
			a[i]=Read(),pos[a[i]]=i,s[i]=0,s2[i]=0;
			if(t==50)cout<<a[i]<<' ';
		}
		for(int i=n;i<=2*n;i++) s[i]=0,s2[i]=0;
		for(int i=1;i<=m;i++){
			b[i]=Read();
			if(t==50)cout<<b[i]<<' '; 
		}
		int p1=1;
		b[m+1]=0; 
		for(int i=1;i<=n;i++){
			if(a[i]==b[p1]) c[i]=1,p1++;
			else c[i]=0;
		}
		for(int i=1;i<=k;i++){
			int d=Read();update2(d,1);
			if(t==50)cout<<d<<' ';
		}
		if(p1!=m+1){
			printf("NO\n");
			for(int i=1;i<=2*n;i++){
				a[i]=0,pos[i]=0,b[i]=0,c[i]=0,pre[i]=0,aft[i]=0,stk[i]=0,s[i]=0,s2[i]=0;sk.clear();
			}
			continue;
		}
		sk.clear();
		res=1;
		stk[1]=0;
		sk.insert(0);
		for(int i=1;i<=n;i++){
			if(c[i]){
				while(stk[res]<a[i]&&res){
					sk.erase(stk[res]);
					res--;
				}
				stk[++res]=a[i];
				sk.insert(stk[res]);
			}else{
				it=lower_bound(sk.begin(),sk.end(),a[i]);
				if(it==sk.end()) pre[i]=0;
				else pre[i]=pos[*it];
			}
		}
		sk.clear();
		res=1;
		stk[1]=0;
		sk.insert(0);
		for(int i=n;i>=1;i--){
			if(c[i]){
				while(stk[res]<a[i]&&res){
					sk.erase(stk[res]);
					res--;
				}
				stk[++res]=a[i];
				sk.insert(stk[res]);
			}else{
				it=lower_bound(sk.begin(),sk.end(),a[i]);
				if(it==sk.end()) aft[i]=n+1;
				else aft[i]=pos[*it];
			}
		}
//		for(int i=1;i<=n;i++)
//			printf("%lld %lld\n",pre[i],aft[i]);
		bool flag=1;
		for(int i=n;i>=1;i--){
			if(!c[pos[i]]){
				int len=aft[pos[i]]-pre[pos[i]]-1;
				int mis=query(aft[pos[i]])-query(pre[pos[i]]);
				len-=mis;
//				cout<<i<<' '<<pos[i]<<' '<<len<<' '<<query2(len)<<endl;
				if(query2(len)<=0){
//					if(t==24)printf("%lld %lld %lld %lld %lld\n",i,pos[i],len,query2(len),s[1]);
					printf("NO\n");
					flag=0;
					break;
				}
				int lft=1,rgt=len;
				int aim=lft;
				while(lft<rgt){
					int mid=(lft+rgt)>>1;
					if(query2(mid)>0) aim=mid,lft=mid+1;
					else rgt=mid-1;
				}
				update2(aim,-1);
				update(pos[i]);
			}
		}
		if(flag)printf("YES\n");
//		if(t==23) printf("23");
//		if(t==24) printf("24");
		for(int i=1;i<=2*n;i++){
			a[i]=0,pos[i]=0,b[i]=0,c[i]=0,pre[i]=0,aft[i]=0,stk[i]=0,s[i]=0,s2[i]=0;sk.clear();
		}
	}
	return 0; 
}
/*
1
6 2 6
2 3 5 6 1 4
2 1
5 5 6 6 3 6
*/

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 2ms

memory: 16004kb

input:

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100

Wrong Answer

time: 0ms

memory: 16052kb

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
6 4 3
4 5 1 6 3 2 4 1 3 2 6 6 3 NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YE...

result:

wrong answer 50th lines differ - expected: 'YES', found: '6 4 3'