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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#109309 | #5668. Cell Nuclei Detection | chenshi# | AC ✓ | 349ms | 127160kb | C++ | 1.5kb | 2023-05-28 11:46:36 | 2023-05-28 11:46:38 |
Judging History
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;
}
详细
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'