QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#109309#5668. Cell Nuclei Detectionchenshi#AC ✓349ms127160kbC++1.5kb2023-05-28 11:46:362023-05-28 11:46:38

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-28 11:46:38]
  • 评测
  • 测评结果:AC
  • 用时:349ms
  • 内存:127160kb
  • [2023-05-28 11:46:36]
  • 提交

answer

#include<cstdio>
#include<iostream>
#include<vector>
using namespace std;
const int o=1e5+10;
int Tc,m,n,X1[o],Y1[o],X2[o],Y2[o],S,T,h[o],cur[o],cnt,d[o],q[o],hd,tl,ans;vector<int> vec[2001][2001];
struct Edge{int v,p,c;}e[o*100];
inline void ad(int U,int V,int C){e[++cnt].v=V;e[cnt].p=h[U];e[h[U]=cnt].c=C;}
inline void add(int ST,int ED,int CA){ad(ST,ED,CA);ad(ED,ST,0);}
inline bool bfs(){
	for(int i=S;i<=T;++i) cur[i]=h[i],d[i]=0;
	for(d[q[hd=tl=1]=S]=1;hd<=tl;++hd) for(int i=h[q[hd]];i;i=e[i].p)
		if(e[i].c&&!d[e[i].v]) d[q[++tl]=e[i].v]=d[q[hd]]+1;
	return d[T];
}
int dfs(int A,int B){
	if(A==T||!B) return B;
	int res=0,x;
	for(int&i=cur[A];i;i=e[i].p) if(e[i].c&&d[e[i].v]==d[A]+1)
		{x=dfs(e[i].v,min(e[i].c,B-res));e[i].c-=x;e[i^1].c+=x;if((res+=x)==B) return B;}
	return res;
}
int main(){
	for(scanf("%d",&Tc);Tc--;printf("%d\n",ans),ans=0){
		scanf("%d%d",&m,&n);S=0;T=n+m+1;cnt=1;
		for(int i=S;i<=T;++i) h[i]=0;
		for(int i=0;i<2001;++i) for(int j=0;j<2001;++j) vec[i][j].clear();
		for(int i=1;i<=m+n;++i) scanf("%d%d%d%d",&X1[i],&Y1[i],&X2[i],&Y2[i]);
		for(int i=1;i<=m;++i) add(S,i,1),vec[X1[i]][Y1[i]].push_back(i);
		for(int i=m+1;i<=m+n;++i){
			add(i,T,1);
			for(int x=max(0,X1[i]-4);x<=X2[i];++x) for(int y=max(0,Y1[i]-4);y<=Y2[i];++y) for(auto t:vec[x][y])
				if((X2[t]-X1[t])*(Y2[t]-Y1[t])<=2*max(0,min(X2[t],X2[i])-max(X1[t],X1[i]))
				*max(0,min(Y2[t],Y2[i])-max(Y1[t],Y1[i]))) add(t,i,1);
		}
		for(;bfs();ans+=dfs(S,o));
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 39ms
memory: 97484kb

input:

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

output:

0
1
3

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 41ms
memory: 97532kb

input:

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

output:

0
1
3

result:

ok 3 lines

Test #3:

score: 0
Accepted
time: 285ms
memory: 121036kb

input:

5
50000 50000
0 0 4 4
4 0 8 4
8 0 12 4
12 0 16 4
16 0 20 4
20 0 24 4
24 0 28 4
28 0 32 4
32 0 36 4
36 0 40 4
40 0 44 4
44 0 48 4
48 0 52 4
52 0 56 4
56 0 60 4
60 0 64 4
64 0 68 4
68 0 72 4
72 0 76 4
76 0 80 4
80 0 84 4
84 0 88 4
88 0 92 4
92 0 96 4
96 0 100 4
100 0 104 4
104 0 108 4
108 0 112 4
112 ...

output:

50000
50000
0
50000
3150

result:

ok 5 lines

Test #4:

score: 0
Accepted
time: 327ms
memory: 127160kb

input:

5
50000 50000
0 0 1 1
1 0 2 1
2 0 3 1
3 0 4 1
4 0 5 1
5 0 6 1
6 0 7 1
7 0 8 1
8 0 9 1
9 0 10 1
10 0 11 1
11 0 12 1
12 0 13 1
13 0 14 1
14 0 15 1
15 0 16 1
16 0 17 1
17 0 18 1
18 0 19 1
19 0 20 1
20 0 21 1
21 0 22 1
22 0 23 1
23 0 24 1
24 0 25 1
25 0 26 1
26 0 27 1
27 0 28 1
28 0 29 1
29 0 30 1
30 0 ...

output:

50000
25050
12500
16000
8000

result:

ok 5 lines

Test #5:

score: 0
Accepted
time: 300ms
memory: 104560kb

input:

5
50000 50000
0 0 2 4
4 0 7 1
8 0 10 1
12 0 15 3
16 0 19 1
20 0 22 2
24 0 26 4
28 0 30 4
32 0 36 3
36 0 40 1
40 0 44 1
44 0 47 2
48 0 49 3
52 0 54 1
56 0 59 4
60 0 64 3
64 0 68 3
68 0 70 1
72 0 76 4
76 0 80 3
80 0 84 4
84 0 87 2
88 0 90 1
92 0 94 4
96 0 98 1
100 0 104 1
104 0 107 2
108 0 110 4
112 0...

output:

10594
10779
10618
10381
10779

result:

ok 5 lines

Test #6:

score: 0
Accepted
time: 349ms
memory: 119556kb

input:

5
50000 50000
0 0 4 4
1 0 5 4
2 0 6 4
3 0 7 4
4 0 8 4
5 0 9 4
6 0 10 4
7 0 11 4
8 0 12 4
9 0 13 4
10 0 14 4
11 0 15 4
12 0 16 4
13 0 17 4
14 0 18 4
15 0 19 4
16 0 20 4
17 0 21 4
18 0 22 4
19 0 23 4
20 0 24 4
21 0 25 4
22 0 26 4
23 0 27 4
24 0 28 4
25 0 29 4
26 0 30 4
27 0 31 4
28 0 32 4
29 0 33 4
30...

output:

50000
50000
50000
50000
49600

result:

ok 5 lines

Test #7:

score: 0
Accepted
time: 33ms
memory: 99052kb

input:

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

output:

3

result:

ok single line: '3'