#include<bits/stdc++.h>
#include "parks.h"
using namespace std;
#define mp make_pair
#define pb push_back
vector<pair<int,int>> G;
vector<pair<int,int>> x_axis[200005];
vector<pair<int,int>> y_axis[200005];
vector<pair<int,int>> choose;
vector<int> u,v,a,b;
int Boss[200005];
int query(int node){
if(Boss[node]==node) return node;
return Boss[node]=query(Boss[node]);
}
int Union(int x,int y){
if(query(x)==query(y)) return 0;
Boss[query(x)]=query(y);
return 1;
}
int construct_roads(vector<int> x,vector<int> y){
for(int i=0;i<200005;i++){
Boss[i]=i;
}
for(int i=0;i<(int)x.size();i++){
x_axis[x[i]].pb(mp(y[i],i));
y_axis[y[i]].pb(mp(x[i],i));
}
for(int i=0;i<200005;i++){
sort(x_axis[i].begin(),x_axis[i].end());
sort(y_axis[i].begin(),y_axis[i].end());
}
//construct graph
for(int i=0;i<200005;i++){
for(int j=0;j<(int)x_axis[i].size()-1;j++){
//cout<<x_axis[i][j+1].first<<"\n";
if(x_axis[i][j+1].first-x_axis[i][j].first==2){
G.pb(mp(x_axis[i][j+1].second,x_axis[i][j].second));
}
}
for(int j=0;j<(int)y_axis[i].size()-1;j++){
if(y_axis[i][j+1].first-y_axis[i][j].first==2){
G.pb(mp(y_axis[i][j+1].second,y_axis[i][j].second));
}
}
}
for(auto i:G){
//cout<<i.first<<" "<<i.second<<"\n";
if(Union(i.first,i.second)){
choose.pb(mp(i.first,i.second));
}
}
for(auto i:choose){
//cout<<x[i.first]<<" "<<y[i.first]<<" "<<x[i.second]<<" "<<y[i.second]<<"\n";
if(x[i.first]==x[i.second] && x[i.first]==2){
u.pb(i.first);v.pb(i.second);a.pb(1);b.pb((y[i.first]+y[i.second])/2);
}
else if(x[i.first]==x[i.second] && x[i.first]==4){
u.pb(i.first);v.pb(i.second);a.pb(5);b.pb((y[i.first]+y[i.second])/2);
}
else{
u.pb(i.first);v.pb(i.second);a.pb(3);b.pb(y[i.first]+1);
}
//cout<<v.back()<<" \n";
}
//for(int i:v) cout<<i<<" ";
if((int)choose.size()==(int)x.size()-1){
build(u,v,a,b);
return 1;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
10476 KB |
Output is correct |
2 |
Correct |
7 ms |
10452 KB |
Output is correct |
3 |
Correct |
7 ms |
10452 KB |
Output is correct |
4 |
Correct |
6 ms |
10452 KB |
Output is correct |
5 |
Correct |
7 ms |
10452 KB |
Output is correct |
6 |
Correct |
6 ms |
10452 KB |
Output is correct |
7 |
Correct |
6 ms |
10416 KB |
Output is correct |
8 |
Correct |
6 ms |
10472 KB |
Output is correct |
9 |
Correct |
77 ms |
23776 KB |
Output is correct |
10 |
Correct |
14 ms |
11840 KB |
Output is correct |
11 |
Correct |
35 ms |
17508 KB |
Output is correct |
12 |
Correct |
14 ms |
12500 KB |
Output is correct |
13 |
Correct |
17 ms |
14788 KB |
Output is correct |
14 |
Correct |
6 ms |
10452 KB |
Output is correct |
15 |
Correct |
8 ms |
10580 KB |
Output is correct |
16 |
Correct |
77 ms |
23836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
10476 KB |
Output is correct |
2 |
Correct |
7 ms |
10452 KB |
Output is correct |
3 |
Correct |
7 ms |
10452 KB |
Output is correct |
4 |
Correct |
6 ms |
10452 KB |
Output is correct |
5 |
Correct |
7 ms |
10452 KB |
Output is correct |
6 |
Correct |
6 ms |
10452 KB |
Output is correct |
7 |
Correct |
6 ms |
10416 KB |
Output is correct |
8 |
Correct |
6 ms |
10472 KB |
Output is correct |
9 |
Correct |
77 ms |
23776 KB |
Output is correct |
10 |
Correct |
14 ms |
11840 KB |
Output is correct |
11 |
Correct |
35 ms |
17508 KB |
Output is correct |
12 |
Correct |
14 ms |
12500 KB |
Output is correct |
13 |
Correct |
17 ms |
14788 KB |
Output is correct |
14 |
Correct |
6 ms |
10452 KB |
Output is correct |
15 |
Correct |
8 ms |
10580 KB |
Output is correct |
16 |
Correct |
77 ms |
23836 KB |
Output is correct |
17 |
Correct |
6 ms |
10392 KB |
Output is correct |
18 |
Correct |
6 ms |
10452 KB |
Output is correct |
19 |
Correct |
6 ms |
10452 KB |
Output is correct |
20 |
Correct |
6 ms |
10452 KB |
Output is correct |
21 |
Correct |
6 ms |
10468 KB |
Output is correct |
22 |
Correct |
6 ms |
10452 KB |
Output is correct |
23 |
Correct |
154 ms |
37132 KB |
Output is correct |
24 |
Correct |
9 ms |
10452 KB |
Output is correct |
25 |
Correct |
7 ms |
10604 KB |
Output is correct |
26 |
Correct |
8 ms |
10740 KB |
Output is correct |
27 |
Correct |
8 ms |
10740 KB |
Output is correct |
28 |
Correct |
60 ms |
21084 KB |
Output is correct |
29 |
Correct |
90 ms |
26116 KB |
Output is correct |
30 |
Correct |
119 ms |
32000 KB |
Output is correct |
31 |
Correct |
158 ms |
37228 KB |
Output is correct |
32 |
Correct |
6 ms |
10452 KB |
Output is correct |
33 |
Correct |
7 ms |
10452 KB |
Output is correct |
34 |
Correct |
7 ms |
10472 KB |
Output is correct |
35 |
Correct |
6 ms |
10452 KB |
Output is correct |
36 |
Correct |
6 ms |
10452 KB |
Output is correct |
37 |
Correct |
6 ms |
10452 KB |
Output is correct |
38 |
Correct |
7 ms |
10452 KB |
Output is correct |
39 |
Correct |
8 ms |
10464 KB |
Output is correct |
40 |
Correct |
6 ms |
10452 KB |
Output is correct |
41 |
Correct |
6 ms |
10452 KB |
Output is correct |
42 |
Correct |
6 ms |
10468 KB |
Output is correct |
43 |
Correct |
7 ms |
10580 KB |
Output is correct |
44 |
Correct |
7 ms |
10708 KB |
Output is correct |
45 |
Correct |
75 ms |
23748 KB |
Output is correct |
46 |
Correct |
114 ms |
30508 KB |
Output is correct |
47 |
Correct |
114 ms |
30500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
10476 KB |
Output is correct |
2 |
Correct |
7 ms |
10452 KB |
Output is correct |
3 |
Correct |
7 ms |
10452 KB |
Output is correct |
4 |
Correct |
6 ms |
10452 KB |
Output is correct |
5 |
Correct |
7 ms |
10452 KB |
Output is correct |
6 |
Correct |
6 ms |
10452 KB |
Output is correct |
7 |
Correct |
6 ms |
10416 KB |
Output is correct |
8 |
Correct |
6 ms |
10472 KB |
Output is correct |
9 |
Correct |
77 ms |
23776 KB |
Output is correct |
10 |
Correct |
14 ms |
11840 KB |
Output is correct |
11 |
Correct |
35 ms |
17508 KB |
Output is correct |
12 |
Correct |
14 ms |
12500 KB |
Output is correct |
13 |
Correct |
17 ms |
14788 KB |
Output is correct |
14 |
Correct |
6 ms |
10452 KB |
Output is correct |
15 |
Correct |
8 ms |
10580 KB |
Output is correct |
16 |
Correct |
77 ms |
23836 KB |
Output is correct |
17 |
Correct |
6 ms |
10392 KB |
Output is correct |
18 |
Correct |
6 ms |
10452 KB |
Output is correct |
19 |
Correct |
6 ms |
10452 KB |
Output is correct |
20 |
Correct |
6 ms |
10452 KB |
Output is correct |
21 |
Correct |
6 ms |
10468 KB |
Output is correct |
22 |
Correct |
6 ms |
10452 KB |
Output is correct |
23 |
Correct |
154 ms |
37132 KB |
Output is correct |
24 |
Correct |
9 ms |
10452 KB |
Output is correct |
25 |
Correct |
7 ms |
10604 KB |
Output is correct |
26 |
Correct |
8 ms |
10740 KB |
Output is correct |
27 |
Correct |
8 ms |
10740 KB |
Output is correct |
28 |
Correct |
60 ms |
21084 KB |
Output is correct |
29 |
Correct |
90 ms |
26116 KB |
Output is correct |
30 |
Correct |
119 ms |
32000 KB |
Output is correct |
31 |
Correct |
158 ms |
37228 KB |
Output is correct |
32 |
Correct |
6 ms |
10452 KB |
Output is correct |
33 |
Correct |
7 ms |
10452 KB |
Output is correct |
34 |
Correct |
7 ms |
10472 KB |
Output is correct |
35 |
Correct |
6 ms |
10452 KB |
Output is correct |
36 |
Correct |
6 ms |
10452 KB |
Output is correct |
37 |
Correct |
6 ms |
10452 KB |
Output is correct |
38 |
Correct |
7 ms |
10452 KB |
Output is correct |
39 |
Correct |
8 ms |
10464 KB |
Output is correct |
40 |
Correct |
6 ms |
10452 KB |
Output is correct |
41 |
Correct |
6 ms |
10452 KB |
Output is correct |
42 |
Correct |
6 ms |
10468 KB |
Output is correct |
43 |
Correct |
7 ms |
10580 KB |
Output is correct |
44 |
Correct |
7 ms |
10708 KB |
Output is correct |
45 |
Correct |
75 ms |
23748 KB |
Output is correct |
46 |
Correct |
114 ms |
30508 KB |
Output is correct |
47 |
Correct |
114 ms |
30500 KB |
Output is correct |
48 |
Incorrect |
7 ms |
10452 KB |
Tree (a[0], b[0]) = (3, 3) is not adjacent to edge between u[0]=0 @(6, 2) and v[0]=1 @(4, 2) |
49 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
10476 KB |
Output is correct |
2 |
Correct |
7 ms |
10452 KB |
Output is correct |
3 |
Correct |
7 ms |
10452 KB |
Output is correct |
4 |
Correct |
6 ms |
10452 KB |
Output is correct |
5 |
Correct |
7 ms |
10452 KB |
Output is correct |
6 |
Correct |
6 ms |
10452 KB |
Output is correct |
7 |
Correct |
6 ms |
10416 KB |
Output is correct |
8 |
Correct |
6 ms |
10472 KB |
Output is correct |
9 |
Correct |
77 ms |
23776 KB |
Output is correct |
10 |
Correct |
14 ms |
11840 KB |
Output is correct |
11 |
Correct |
35 ms |
17508 KB |
Output is correct |
12 |
Correct |
14 ms |
12500 KB |
Output is correct |
13 |
Correct |
17 ms |
14788 KB |
Output is correct |
14 |
Correct |
6 ms |
10452 KB |
Output is correct |
15 |
Correct |
8 ms |
10580 KB |
Output is correct |
16 |
Correct |
77 ms |
23836 KB |
Output is correct |
17 |
Incorrect |
8 ms |
10476 KB |
Tree (a[0], b[0]) = (3, 3) is not adjacent to edge between u[0]=0 @(200000, 2) and v[0]=2 @(199998, 2) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
10476 KB |
Output is correct |
2 |
Correct |
7 ms |
10452 KB |
Output is correct |
3 |
Correct |
7 ms |
10452 KB |
Output is correct |
4 |
Correct |
6 ms |
10452 KB |
Output is correct |
5 |
Correct |
7 ms |
10452 KB |
Output is correct |
6 |
Correct |
6 ms |
10452 KB |
Output is correct |
7 |
Correct |
6 ms |
10416 KB |
Output is correct |
8 |
Correct |
6 ms |
10472 KB |
Output is correct |
9 |
Correct |
77 ms |
23776 KB |
Output is correct |
10 |
Correct |
14 ms |
11840 KB |
Output is correct |
11 |
Correct |
35 ms |
17508 KB |
Output is correct |
12 |
Correct |
14 ms |
12500 KB |
Output is correct |
13 |
Correct |
17 ms |
14788 KB |
Output is correct |
14 |
Correct |
6 ms |
10452 KB |
Output is correct |
15 |
Correct |
8 ms |
10580 KB |
Output is correct |
16 |
Correct |
77 ms |
23836 KB |
Output is correct |
17 |
Incorrect |
175 ms |
33956 KB |
Tree (a[50001], b[50001]) = (3, 3) is not adjacent to edge between u[50001]=134526 @(6, 2) and v[50001]=22196 @(4, 2) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
10476 KB |
Output is correct |
2 |
Correct |
7 ms |
10452 KB |
Output is correct |
3 |
Correct |
7 ms |
10452 KB |
Output is correct |
4 |
Correct |
6 ms |
10452 KB |
Output is correct |
5 |
Correct |
7 ms |
10452 KB |
Output is correct |
6 |
Correct |
6 ms |
10452 KB |
Output is correct |
7 |
Correct |
6 ms |
10416 KB |
Output is correct |
8 |
Correct |
6 ms |
10472 KB |
Output is correct |
9 |
Correct |
77 ms |
23776 KB |
Output is correct |
10 |
Correct |
14 ms |
11840 KB |
Output is correct |
11 |
Correct |
35 ms |
17508 KB |
Output is correct |
12 |
Correct |
14 ms |
12500 KB |
Output is correct |
13 |
Correct |
17 ms |
14788 KB |
Output is correct |
14 |
Correct |
6 ms |
10452 KB |
Output is correct |
15 |
Correct |
8 ms |
10580 KB |
Output is correct |
16 |
Correct |
77 ms |
23836 KB |
Output is correct |
17 |
Correct |
6 ms |
10392 KB |
Output is correct |
18 |
Correct |
6 ms |
10452 KB |
Output is correct |
19 |
Correct |
6 ms |
10452 KB |
Output is correct |
20 |
Correct |
6 ms |
10452 KB |
Output is correct |
21 |
Correct |
6 ms |
10468 KB |
Output is correct |
22 |
Correct |
6 ms |
10452 KB |
Output is correct |
23 |
Correct |
154 ms |
37132 KB |
Output is correct |
24 |
Correct |
9 ms |
10452 KB |
Output is correct |
25 |
Correct |
7 ms |
10604 KB |
Output is correct |
26 |
Correct |
8 ms |
10740 KB |
Output is correct |
27 |
Correct |
8 ms |
10740 KB |
Output is correct |
28 |
Correct |
60 ms |
21084 KB |
Output is correct |
29 |
Correct |
90 ms |
26116 KB |
Output is correct |
30 |
Correct |
119 ms |
32000 KB |
Output is correct |
31 |
Correct |
158 ms |
37228 KB |
Output is correct |
32 |
Correct |
6 ms |
10452 KB |
Output is correct |
33 |
Correct |
7 ms |
10452 KB |
Output is correct |
34 |
Correct |
7 ms |
10472 KB |
Output is correct |
35 |
Correct |
6 ms |
10452 KB |
Output is correct |
36 |
Correct |
6 ms |
10452 KB |
Output is correct |
37 |
Correct |
6 ms |
10452 KB |
Output is correct |
38 |
Correct |
7 ms |
10452 KB |
Output is correct |
39 |
Correct |
8 ms |
10464 KB |
Output is correct |
40 |
Correct |
6 ms |
10452 KB |
Output is correct |
41 |
Correct |
6 ms |
10452 KB |
Output is correct |
42 |
Correct |
6 ms |
10468 KB |
Output is correct |
43 |
Correct |
7 ms |
10580 KB |
Output is correct |
44 |
Correct |
7 ms |
10708 KB |
Output is correct |
45 |
Correct |
75 ms |
23748 KB |
Output is correct |
46 |
Correct |
114 ms |
30508 KB |
Output is correct |
47 |
Correct |
114 ms |
30500 KB |
Output is correct |
48 |
Incorrect |
7 ms |
10452 KB |
Tree (a[0], b[0]) = (3, 3) is not adjacent to edge between u[0]=0 @(6, 2) and v[0]=1 @(4, 2) |
49 |
Halted |
0 ms |
0 KB |
- |