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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#178834#7105. Pixel ArtPlentyOfPenaltyWA 937ms35768kbC++206.5kb2023-09-14 14:17:322023-09-14 14:17:34

Judging History

你现在查看的是最新测评结果

  • [2023-09-14 14:17:34]
  • 评测
  • 测评结果:WA
  • 用时:937ms
  • 内存:35768kb
  • [2023-09-14 14:17:32]
  • 提交

answer

#include<bits/stdc++.h>
#ifndef memset0
	#define endl '\n'
#endif
#define getl get<0>
#define getr get<1>
#define getid get<2>
using namespace std;
const int N=1e5+9;
int T,n,m,k,tot,cnt[N],s[N];
int ap[N],vis[N],tim;
long long sum[N];
void add(int k,int x){
	for(;k<N;k+=k&-k)s[k]+=x;
}
int ask(int k){
	int sum=0;
	for(;k;k-=k&-k)sum+=s[k];
	return sum;
}
vector<int> ins[N],del[N],used;
vector<tuple<int,int,int>> a[N],b[N];
vector<int>ad[N],dl[N];
void shrink(vector<tuple<int,int,int>> &a){
	sort(a.begin(),a.end());
	vector<tuple<int,int,int>> b;
	for(const auto &it:a){
		if(b.size()&&getr(b.back())>=getl(it)-1){
			getr(b.back())=max(getr(b.back()),getr(it));
		}else{
			b.push_back(it);
		}
	}
	a.swap(b);
	for(auto &it:a){
		getid(it)=++tot;
	}
}
void A(int x){
	if(vis[x]<tim)vis[x]=tim,ap[x]=0;
}
set<int>ele;
set<tuple<int,int,int> >st;
int tans,IND,fa[N*10];
int getf(int x){
	return fa[x]==x?x:fa[x]=getf(fa[x]);
}
void Merge(int l,int r){
	// cerr<<"MERGE "<<l<<" "<<r<<"\n";
	set<tuple<int,int,int> >::iterator ii=st.lower_bound({r,N,0});
	if(ii==st.begin())return;
	--ii;
	if(getr(*ii)<l)return;
	int tl=getl(*ii),tr=getr(*ii),ti=getid(*ii),tf;
	st.erase(ii);
	while(1){
		ii=st.lower_bound({r,N,0});
		if(ii==st.begin())break;
		--ii;
		// cerr<<"FIND "<<getl(*ii)<<" "<<getr(*ii)<<"\n";
		if(getr(*ii)<l)break;
		tl=getl(*ii);
		tf=getf(getid(*ii));
		if(tf!=getf(ti))fa[tf]=fa[ti],--tans;
		st.erase(ii);
	}
	// cerr<<"TL="<<tl<<" tr="<<tr<<"\n";
	st.insert({tl,tr,ti});
}
void Ins(int x){
	//cerr<<"INS "<<x<<"\n";
	set<tuple<int,int,int> >::iterator ii=st.lower_bound({x,N,0});
	set<int>::iterator it;
	++tans;
	if(ii!=st.begin()){
		--ii;
		if(getl(*ii)<=x&&x<=getr(*ii)){
			it=ele.lower_bound(x);
			int tl=getl(*ii),tr=getr(*ii),ti=getid(*ii);
			st.erase(ii);
			st.insert({*it,tr,ti}),--it,st.insert({tl,*it,ti});
		}
	}
	st.insert({x,x,++IND}),fa[IND]=IND;
	it=ele.lower_bound(x);
	if(it!=ele.end()&&(*it)==x+1)Merge(x,x+1);
	if(it!=ele.begin()){
		--it;
		if((*it)==x-1)Merge(x-1,x);
	}
	ele.insert(x);
}
void Del(int x){
	// cerr<<"DEL "<<x<<"\n";
	set<tuple<int,int,int> >::iterator ii=st.lower_bound({x,N,0});
	set<int>::iterator it=ele.lower_bound(x);
	ele.erase(it);
	if(ii!=st.begin()){
		--ii;
		int tl=getl(*ii),tr=getr(*ii),ti=getid(*ii);
		if(getl(*ii)==x&&getr(*ii)==x)return(void)(st.erase(ii));
		else if(getl(*ii)==x){
			st.erase(ii);
			it=ele.upper_bound(x),st.insert({*it,tr,ti});
		}else if(getr(*ii)==x){
			st.erase(ii);
			it=ele.upper_bound(x),--it;
			st.insert({tl,*it,ti});
		}
	}
	// cerr<<"SEGS:\n";
	// for(ii=st.begin();ii!=st.end();++ii)cerr<<getl(*ii)<<" "<<getr(*ii)<<" "<<getf(getid(*ii))<<"\n";
}
int main(){
#ifdef memset0
	freopen("D.in","r",stdin);
	// freopen("D.out","w",stdout);
#endif
	ios::sync_with_stdio(0),cin.tie(0);
	cin>>T;
	while(T--){
		++tim;
		cin>>n>>m>>k;
		fill_n(sum+1,n,0);
		fill_n(cnt+1,n,0);
		for(int i=1;i<=n;i++){
			a[i].clear();
			ins[i].clear();
			del[i].clear();
		}
		for(int x1,x2,y1,y2,i=1;i<=k;i++){
			cin>>x1>>y1>>x2>>y2;
			if(x1==x2){
				a[x1].emplace_back(y1,y2,-1);
				// b[y1].emplace_back(x1,x2,-1);
				// b[y2].emplace_back(x1,x2,-1);
			}else{
				b[y1].emplace_back(x1,x2,-1);
				//a[x1].emplace_back(y1,y2,-1),a[x2].emplace_back(y1,y2,-1);
				used.push_back(y1);
			}
		}
		tot=0;
		for(int i=1;i<=n;i++)shrink(a[i]);
		for(int i=1;i<=n;i++)
			for(const auto &[l,r,id]:a[i]){
				b[l].emplace_back(i,i,-1);
				b[r].emplace_back(i,i,-1);
				used.push_back(l);
				used.push_back(r);
			}
		sort(used.begin(),used.end());
		used.erase(unique(used.begin(),used.end()),used.end());
		for(int k=1;k<n;k++){
			auto &x=a[k],&y=a[k+1];
			if(x.empty()||y.empty())continue;
			auto check=[&k](const tuple<int,int,int> &x,const tuple<int,int,int> &y){
				// fprintf(stderr,"check (%d %d %d) (%d %d %d)\n",getl(x),getr(x),getid(x),getl(y),getr(y),getid(y));
				if(getl(x)<getl(y)){
					if(getl(y)<=getr(x)){
						b[getl(y)].emplace_back(k,k+1,-1);
					}
				}else{
					if(getl(x)<=getr(y)){
						b[getl(x)].emplace_back(k,k+1,-1);
					}
				}
			};
			int i=0,j=0;
			check(x[i],y[j]);
			// cerr<<"! "<<k<<" "<<x.size()<<" "<<y.size()<<endl;
			while(i+1<x.size()||j+1<y.size()){
				// cerr<<"! "<<i<<" "<<j<<" "<<x.size()<<" "<<y.size()<<endl;
				if(i+1<x.size()&&j+1<y.size()){
					if(getl(x[i])<getl(y[j])){
						++i;
					}else{
						++j;
					}
				}else if(i+1<x.size()){
					++i;
				}else{
					++j;
				}
				check(x[i],y[j]);
			}
		}
		// cerr<<"!!"<<endl;
		for(int i:used)shrink(b[i]);
		// for(int i=1;i<=n;i++)for(auto it:a[i])cerr<<"a::"<<i<<" "<<getl(it)<<" "<<getr(it)<<endl;
		// for(int i=1;i<=m;i++)for(auto it:b[i])cerr<<"b::"<<i<<" "<<getl(it)<<" "<<getr(it)<<endl;

		for(int i:used)
			for(const auto &[l,r,id]:b[i]){
				ins[l].push_back(i);
				del[r].push_back(i);
			}
		for(int cur=0,i=1;i<=n;i++){
			for(int x:ins[i])add(x,1),++cur;
			sum[i]=sum[i-1]+cur;
			for(const auto &[l,r,id]:a[i]){
				sum[i]+=r-l+1;
				sum[i]-=ask(r)-ask(l-1);
			}
			for(int x:del[i])add(x,-1),--cur;
		}

		// cerr<<"!!! "<<n<<" "<<m<<" "<<k<<" :: xry"<<endl;
		IND=0;
		for(int i=1;i<=n;++i)vector<int>().swap(ad[i]),vector<int>().swap(dl[i]);
		for(int i:used)for(int j=0;j<b[i].size();++j)ad[getl(b[i][j])].push_back(i),dl[getr(b[i][j])+1].push_back(i);
		tans=0;
		st.clear(),ele.clear();
		for(int i=1;i<=n;++i){
			//cerr<<"---------------------------------i="<<i<<"\n";
			for(int j=0;j<dl[i].size();++j)A(dl[i][j]),--ap[dl[i][j]];
			for(int j=0;j<ad[i].size();++j)A(ad[i][j]),++ap[ad[i][j]];
			// for(int i=1;i<=m;++i)cerr<<"AP "<<i<<"="<<(A(i),ap[i])<<"\n";
			//cerr<<ap[1]<<"\n";
			for(int j=0;j<dl[i].size();++j)if(!ap[dl[i][j]]){
				set<int>::iterator it=ele.lower_bound(dl[i][j]);
				if(it!=ele.end()&&(*it)==dl[i][j])Del(dl[i][j]);
			}
			for(int j=0;j<ad[i].size();++j){
				set<int>::iterator it=ele.lower_bound(ad[i][j]);
				//assert(ap[ad[i][j]]);
				if(it==ele.end()||(*it)!=ad[i][j])Ins(ad[i][j]);
			}
			for(int j=0;j<a[i].size();++j)Merge(getl(a[i][j])-1,getr(a[i][j])+1);
			cnt[i]=tans;
			// cerr<<"SEGS:\n";
			// for(set<tuple<int,int,int> >::iterator ii=st.begin();ii!=st.end();++ii)cerr<<getl(*ii)<<" "<<getr(*ii)<<" "<<getf(getid(*ii))<<"\n";
			// cerr<<"TANS="<<tans<<"\n";
		}

		// cerr<<"!!! "<<n<<" "<<m<<" "<<k<<" :: output"<<endl;
		for(int i=1;i<=n;i++)cout<<sum[i]<<" "<<cnt[i]<<endl;
		for(int i:used)b[i].clear();
		used.clear();
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 20068kb

input:

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

output:

2 1
5 2
3 1
6 1
3 1
4 1
6 2

result:

ok 7 lines

Test #2:

score: -100
Wrong Answer
time: 937ms
memory: 35768kb

input:

2130
2 5 2
1 1 1 2
2 3 2 5
2 5 2
1 1 1 3
2 3 2 5
3 3 3
1 1 1 2
3 1 3 2
1 3 2 3
3 100 51
1 2 2 2
1 4 2 4
1 6 2 6
1 8 2 8
1 10 2 10
1 12 2 12
1 14 2 14
1 16 2 16
1 18 2 18
1 20 2 20
1 22 2 22
1 24 2 24
1 26 2 26
1 28 2 28
1 30 2 30
1 32 2 32
1 34 2 34
1 36 2 36
1 38 2 38
1 40 2 40
1 42 2 42
1 44 2 44
...

output:

2 1
5 2
3 1
6 1
3 1
4 1
6 2
50 50
100 50
200 50
50 50
150 1
200 1
2 1
4 1
6 1
8 1
10 1
12 1
14 1
16 1
18 1
20 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
42 1
44 1
46 1
48 1
50 1
52 1
54 1
56 1
58 1
60 1
62 1
64 1
66 1
68 1
70 1
72 1
74 1
76 1
78 1
80 1
82 1
84 1
86 1
88 1
90 1
92 1
94 1
96 ...

result:

wrong answer 10th lines differ - expected: '200 1', found: '200 50'