QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#422616#8179. 2D ParenthesesyhdddWA 277ms50324kbC++143.3kb2024-05-27 17:30:542024-05-27 17:30:55

Judging History

你现在查看的是最新测评结果

  • [2024-05-27 17:30:55]
  • 评测
  • 测评结果:WA
  • 用时:277ms
  • 内存:50324kb
  • [2024-05-27 17:30:54]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define mod 998244353ll
#define pii pair<int,int>
#define fi first
#define se second
#define mems(x,y) memset(x,y,sizeof(x))
using namespace std;
const int maxn=400010;
const int inf=5;
inline int read(){
	int x=0,f=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+(ch-48);ch=getchar();}
	return x*f;
}
bool Mbe;

int n,ans[maxn];
struct nd{
	int x,y,id,fl;
}a[maxn];
struct node{
	int id;pii p;
	bool operator<(const node&tmp)const{return p<tmp.p;}
};
set<node> s;
struct ask{
	int p,l,r,val,fl;
}que[maxn];
int lsh[maxn],len;
#define mid (l+r>>1)
#define ls nd<<1
#define rs nd<<1|1
bool vis[maxn<<2];
int tree[maxn<<2],tag[maxn<<2];
void down(int nd){
	tree[ls]^=tag[nd],tag[ls]^=tag[nd];
	tree[rs]^=tag[nd],tag[rs]^=tag[nd];
	tag[nd]=0;
}
void updata(int nd,int l,int r,int ql,int qr,int w){
	if(ql>qr)return ;
	if(l>=ql&&r<=qr){
		tree[nd]^=w,tag[nd]^=w;
		return ;
	}
	if(tag[nd])down(nd);
	if(ql<=mid)updata(ls,l,mid,ql,qr,w);
	if(qr>mid)updata(rs,mid+1,r,ql,qr,w);
	tree[nd]=tree[ls];vis[nd]=vis[ls]&&vis[rs]&&(tree[ls]==tree[rs]);
	// cout<<l<<" "<<r<<" "<<tree[nd]<<" "<<vis[nd]<<"\n";
}
bool fl;int lst;
bool query(int nd,int l,int r,int ql,int qr){
	if(!nd||ql>qr||qr<l||ql>r)return 1;
	if(l>=ql&&r<=qr){
		if(!fl)lst=tree[nd],fl=1;
		// cout<<l<<" "<<r<<" "<<lst<<" "<<tree[nd]<<" "<<vis[nd]<<"\n";
		return vis[nd]&&(lst==tree[nd]);
	}
	if(tag[nd])down(nd);
	return query(ls,l,mid,ql,qr)&&query(rs,mid+1,r,ql,qr);
}
void work(){
	n=read();
	for(int i=1;i<=n;i++)a[i]={read(),read(),i,0};
	for(int i=1;i<=n;i++)a[n+i]={read(),read(),i,1};
	sort(a+1,a+2*n+1,[&](nd u,nd v){
		if(u.y==v.y)return u.x<v.x;
		return u.y<v.y;
	});
	for(int i=1;i<=2*n;i++){
		if(!a[i].fl){
			s.insert({a[i].id,{a[i].x,a[i].y}});
		}
		else{
			if(!s.size()){printf("No\n");return ;}
			auto it=s.upper_bound({0,{a[i].x,a[i].y}});
			if(it==s.begin()){printf("No\n");return ;}
			it--;ans[(*it).id]=a[i].id;s.erase(it);
		}
	}
	sort(a+1,a+2*n+1,[&](nd u,nd v){
		if(u.fl==v.fl)return u.id<v.id;
		return u.fl<v.fl;
	});
	srand(time(0));
	for(int i=1;i<=n;i++){
		int val=rand()*rand();
		que[i]={a[i].x,a[i].y,a[ans[i]+n].y-1,val,1};
		que[i+n]={a[ans[i]+n].x,a[i].y,a[ans[i]+n].y-1,val,0};
		lsh[++len]=a[i].y,lsh[++len]=a[ans[i]+n].y-1;
	}
	sort(lsh+1,lsh+len+1);len=unique(lsh+1,lsh+len+1)-lsh-1;
	for(int i=1;i<=2*n;i++)que[i].l=lower_bound(lsh+1,lsh+len+1,que[i].l)-lsh;
	for(int i=1;i<=2*n;i++)que[i].r=lower_bound(lsh+1,lsh+len+1,que[i].r)-lsh;
	sort(que+1,que+2*n+1,[&](ask u,ask v){
		if(u.p==v.p){
			if(u.fl!=v.fl)return u.fl<v.fl;
			if(u.fl)return u.r-u.l>v.r-v.l;
			return u.r-u.l<v.r-v.l;
		}
		return u.p<v.p;
	});
	mems(vis,1);
	for(int i=1;i<=2*n;i++){
		updata(1,1,len,que[i].l,que[i].r,que[i].val);
		// cout<<que[i].l<<" "<<que[i].r<<"\n";
		fl=0;if(!query(1,1,len,que[i].l,que[i].r)){printf("No\n");return ;}
		// cout<<i<<"\n";
	}
	printf("Yes\n");
	for(int i=1;i<=n;i++)printf("%lld\n",ans[i]);
}

// \
444

bool Med;
int T;
signed main(){
//	freopen(".in","r",stdin);
//	freopen(".out","w",stdout);
	
//	ios::sync_with_stdio(0);
//	cin.tie(0);cout.tie(0);
	
//	cerr<<(&Mbe-&Med)/1048576.0<<" MB\n";
	
	T=1;
	while(T--)work();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 13632kb

input:

3
0 0
2 -2
1 1
2 2
3 1
2 3

output:

Yes
3
2
1

result:

ok answer is YES, 3 tokens

Test #2:

score: 0
Accepted
time: 0ms
memory: 13528kb

input:

2
1 0
0 1
2 3
3 2

output:

No

result:

ok answer is NO

Test #3:

score: 0
Accepted
time: 1ms
memory: 5820kb

input:

1
1 1
0 0

output:

No

result:

ok answer is NO

Test #4:

score: -100
Wrong Answer
time: 277ms
memory: 50324kb

input:

199996
94702923 895749121
-830347683 823853414
-638337012 -528381915
774504965 -903560893
465975432 931026841
47062323 901390864
539345338 830099354
278774201 896803047
-445303873 568413124
80473317 828648317
804283391 -307873779
543648687 893783688
814084625 -664894626
169476937 -999435847
-8232728...

output:

No

result:

wrong answer expected YES, found NO