#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
map<pair<int, int>, int> M, M2;
vector<int> adj[200000];
bool counting[200000];
vector<pair<int, int>> E;
int cnt = 0;
void count_fountains(int x)
{
cnt++;
counting[x] = true;
for(int i : adj[x])
{
if(counting[i]) continue;
count_fountains(i);
E.push_back({x, i});
}
}
int construct_roads(vector<int> x, vector<int> y) {
if (x.size() == 1) {
build({}, {}, {}, {});
return 1;
}
int n = x.size();
vector<int> u, v, a, b;
for(int i=0;i<n;i++)
M[{x[i], y[i]}] = i+1;
for(int i=0;i<n;i++)
{
if(M[{x[i]+2, y[i]}]) adj[i].push_back(M[{x[i]+2, y[i]}]-1);
if(M[{x[i], y[i]+2}]) adj[i].push_back(M[{x[i], y[i]+2}]-1);
if(M[{x[i]-2, y[i]}]) adj[i].push_back(M[{x[i]-2, y[i]}]-1);
if(M[{x[i], y[i]-2}]) adj[i].push_back(M[{x[i], y[i]-2}]-1);
}
count_fountains(0);
if(cnt < n) return 0;
for(auto U : E)
{
int i = U.first, j = U.second;
if(x[i] == x[j]) continue;
if(x[i] > x[j]) swap(i, j);
u.push_back(i);
v.push_back(j);
a.push_back(x[i]+1);
if(x[i]%4 == 0)
{
b.push_back(y[i]+1);
M2[{x[i]+1, y[i]+1}] = 1;
}
else
{
b.push_back(y[i]-1);
M2[{x[i]+1, y[i]-1}] = 1;
}
}
for(auto U : E)
{
int i = U.first, j = U.second;
if(x[i] != x[j]) continue;
if(y[i] > y[j]) swap(i, j);
u.push_back(i);
v.push_back(j);
b.push_back(y[i]+1);
if(M2[{x[i]+1, y[i]+1}]) a.push_back(x[i]-1);
else a.push_back(x[i]+1);
}
build(u, v, a, b);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
455 ms |
49656 KB |
Output is correct |
10 |
Correct |
24 ms |
9544 KB |
Output is correct |
11 |
Correct |
126 ms |
29324 KB |
Output is correct |
12 |
Correct |
36 ms |
11756 KB |
Output is correct |
13 |
Correct |
79 ms |
18496 KB |
Output is correct |
14 |
Correct |
5 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
398 ms |
46568 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
455 ms |
49656 KB |
Output is correct |
10 |
Correct |
24 ms |
9544 KB |
Output is correct |
11 |
Correct |
126 ms |
29324 KB |
Output is correct |
12 |
Correct |
36 ms |
11756 KB |
Output is correct |
13 |
Correct |
79 ms |
18496 KB |
Output is correct |
14 |
Correct |
5 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
398 ms |
46568 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4996 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
3 ms |
4940 KB |
Output is correct |
21 |
Correct |
3 ms |
5000 KB |
Output is correct |
22 |
Correct |
3 ms |
4940 KB |
Output is correct |
23 |
Correct |
1059 ms |
80576 KB |
Output is correct |
24 |
Correct |
3 ms |
4940 KB |
Output is correct |
25 |
Correct |
5 ms |
5324 KB |
Output is correct |
26 |
Correct |
10 ms |
5520 KB |
Output is correct |
27 |
Correct |
9 ms |
5652 KB |
Output is correct |
28 |
Correct |
307 ms |
34928 KB |
Output is correct |
29 |
Correct |
522 ms |
49288 KB |
Output is correct |
30 |
Correct |
774 ms |
66648 KB |
Output is correct |
31 |
Correct |
1075 ms |
80892 KB |
Output is correct |
32 |
Correct |
3 ms |
4940 KB |
Output is correct |
33 |
Correct |
3 ms |
4940 KB |
Output is correct |
34 |
Correct |
3 ms |
4940 KB |
Output is correct |
35 |
Correct |
3 ms |
4940 KB |
Output is correct |
36 |
Correct |
3 ms |
4940 KB |
Output is correct |
37 |
Correct |
3 ms |
4940 KB |
Output is correct |
38 |
Correct |
4 ms |
4940 KB |
Output is correct |
39 |
Correct |
3 ms |
4996 KB |
Output is correct |
40 |
Correct |
3 ms |
4940 KB |
Output is correct |
41 |
Correct |
3 ms |
4996 KB |
Output is correct |
42 |
Correct |
3 ms |
4940 KB |
Output is correct |
43 |
Correct |
7 ms |
5452 KB |
Output is correct |
44 |
Correct |
8 ms |
5580 KB |
Output is correct |
45 |
Correct |
497 ms |
42544 KB |
Output is correct |
46 |
Correct |
752 ms |
60596 KB |
Output is correct |
47 |
Correct |
754 ms |
60160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
455 ms |
49656 KB |
Output is correct |
10 |
Correct |
24 ms |
9544 KB |
Output is correct |
11 |
Correct |
126 ms |
29324 KB |
Output is correct |
12 |
Correct |
36 ms |
11756 KB |
Output is correct |
13 |
Correct |
79 ms |
18496 KB |
Output is correct |
14 |
Correct |
5 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
398 ms |
46568 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4996 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
3 ms |
4940 KB |
Output is correct |
21 |
Correct |
3 ms |
5000 KB |
Output is correct |
22 |
Correct |
3 ms |
4940 KB |
Output is correct |
23 |
Correct |
1059 ms |
80576 KB |
Output is correct |
24 |
Correct |
3 ms |
4940 KB |
Output is correct |
25 |
Correct |
5 ms |
5324 KB |
Output is correct |
26 |
Correct |
10 ms |
5520 KB |
Output is correct |
27 |
Correct |
9 ms |
5652 KB |
Output is correct |
28 |
Correct |
307 ms |
34928 KB |
Output is correct |
29 |
Correct |
522 ms |
49288 KB |
Output is correct |
30 |
Correct |
774 ms |
66648 KB |
Output is correct |
31 |
Correct |
1075 ms |
80892 KB |
Output is correct |
32 |
Correct |
3 ms |
4940 KB |
Output is correct |
33 |
Correct |
3 ms |
4940 KB |
Output is correct |
34 |
Correct |
3 ms |
4940 KB |
Output is correct |
35 |
Correct |
3 ms |
4940 KB |
Output is correct |
36 |
Correct |
3 ms |
4940 KB |
Output is correct |
37 |
Correct |
3 ms |
4940 KB |
Output is correct |
38 |
Correct |
4 ms |
4940 KB |
Output is correct |
39 |
Correct |
3 ms |
4996 KB |
Output is correct |
40 |
Correct |
3 ms |
4940 KB |
Output is correct |
41 |
Correct |
3 ms |
4996 KB |
Output is correct |
42 |
Correct |
3 ms |
4940 KB |
Output is correct |
43 |
Correct |
7 ms |
5452 KB |
Output is correct |
44 |
Correct |
8 ms |
5580 KB |
Output is correct |
45 |
Correct |
497 ms |
42544 KB |
Output is correct |
46 |
Correct |
752 ms |
60596 KB |
Output is correct |
47 |
Correct |
754 ms |
60160 KB |
Output is correct |
48 |
Correct |
3 ms |
4940 KB |
Output is correct |
49 |
Correct |
3 ms |
4940 KB |
Output is correct |
50 |
Correct |
3 ms |
4940 KB |
Output is correct |
51 |
Correct |
3 ms |
4940 KB |
Output is correct |
52 |
Correct |
3 ms |
4940 KB |
Output is correct |
53 |
Incorrect |
3 ms |
4940 KB |
Tree @(3, 5) appears more than once: for edges on positions 2 and 5 |
54 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
455 ms |
49656 KB |
Output is correct |
10 |
Correct |
24 ms |
9544 KB |
Output is correct |
11 |
Correct |
126 ms |
29324 KB |
Output is correct |
12 |
Correct |
36 ms |
11756 KB |
Output is correct |
13 |
Correct |
79 ms |
18496 KB |
Output is correct |
14 |
Correct |
5 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
398 ms |
46568 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
4 ms |
4992 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Incorrect |
912 ms |
81588 KB |
Tree @(3, 199999) appears more than once: for edges on positions 0 and 99999 |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
455 ms |
49656 KB |
Output is correct |
10 |
Correct |
24 ms |
9544 KB |
Output is correct |
11 |
Correct |
126 ms |
29324 KB |
Output is correct |
12 |
Correct |
36 ms |
11756 KB |
Output is correct |
13 |
Correct |
79 ms |
18496 KB |
Output is correct |
14 |
Correct |
5 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
398 ms |
46568 KB |
Output is correct |
17 |
Correct |
984 ms |
96624 KB |
Output is correct |
18 |
Correct |
1026 ms |
90716 KB |
Output is correct |
19 |
Incorrect |
920 ms |
81544 KB |
Tree @(47609, 97609) appears more than once: for edges on positions 2 and 99998 |
20 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
455 ms |
49656 KB |
Output is correct |
10 |
Correct |
24 ms |
9544 KB |
Output is correct |
11 |
Correct |
126 ms |
29324 KB |
Output is correct |
12 |
Correct |
36 ms |
11756 KB |
Output is correct |
13 |
Correct |
79 ms |
18496 KB |
Output is correct |
14 |
Correct |
5 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
398 ms |
46568 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4996 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
3 ms |
4940 KB |
Output is correct |
21 |
Correct |
3 ms |
5000 KB |
Output is correct |
22 |
Correct |
3 ms |
4940 KB |
Output is correct |
23 |
Correct |
1059 ms |
80576 KB |
Output is correct |
24 |
Correct |
3 ms |
4940 KB |
Output is correct |
25 |
Correct |
5 ms |
5324 KB |
Output is correct |
26 |
Correct |
10 ms |
5520 KB |
Output is correct |
27 |
Correct |
9 ms |
5652 KB |
Output is correct |
28 |
Correct |
307 ms |
34928 KB |
Output is correct |
29 |
Correct |
522 ms |
49288 KB |
Output is correct |
30 |
Correct |
774 ms |
66648 KB |
Output is correct |
31 |
Correct |
1075 ms |
80892 KB |
Output is correct |
32 |
Correct |
3 ms |
4940 KB |
Output is correct |
33 |
Correct |
3 ms |
4940 KB |
Output is correct |
34 |
Correct |
3 ms |
4940 KB |
Output is correct |
35 |
Correct |
3 ms |
4940 KB |
Output is correct |
36 |
Correct |
3 ms |
4940 KB |
Output is correct |
37 |
Correct |
3 ms |
4940 KB |
Output is correct |
38 |
Correct |
4 ms |
4940 KB |
Output is correct |
39 |
Correct |
3 ms |
4996 KB |
Output is correct |
40 |
Correct |
3 ms |
4940 KB |
Output is correct |
41 |
Correct |
3 ms |
4996 KB |
Output is correct |
42 |
Correct |
3 ms |
4940 KB |
Output is correct |
43 |
Correct |
7 ms |
5452 KB |
Output is correct |
44 |
Correct |
8 ms |
5580 KB |
Output is correct |
45 |
Correct |
497 ms |
42544 KB |
Output is correct |
46 |
Correct |
752 ms |
60596 KB |
Output is correct |
47 |
Correct |
754 ms |
60160 KB |
Output is correct |
48 |
Correct |
3 ms |
4940 KB |
Output is correct |
49 |
Correct |
3 ms |
4940 KB |
Output is correct |
50 |
Correct |
3 ms |
4940 KB |
Output is correct |
51 |
Correct |
3 ms |
4940 KB |
Output is correct |
52 |
Correct |
3 ms |
4940 KB |
Output is correct |
53 |
Incorrect |
3 ms |
4940 KB |
Tree @(3, 5) appears more than once: for edges on positions 2 and 5 |
54 |
Halted |
0 ms |
0 KB |
- |