#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(y[i] == y[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(x[i] == 6 || (x[i] == 4 && y[i]%4 == 0))
{
a.push_back(x[i]+1);
M2[{x[i]+1, y[i]+1}] = 1;
}
else
{
a.push_back(x[i]-1);
M2[{x[i]-1, y[i]+1}] = 1;
}
}
for(auto U : E)
{
int i = U.first, j = U.second;
if(y[i] != y[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(M2[{x[i]+1, y[i]+1}]) b.push_back(y[i]-1);
else b.push_back(y[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 |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
395 ms |
48816 KB |
Output is correct |
10 |
Correct |
24 ms |
9420 KB |
Output is correct |
11 |
Correct |
126 ms |
28992 KB |
Output is correct |
12 |
Correct |
34 ms |
11664 KB |
Output is correct |
13 |
Correct |
75 ms |
18116 KB |
Output is correct |
14 |
Correct |
4 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
403 ms |
45816 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 |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
395 ms |
48816 KB |
Output is correct |
10 |
Correct |
24 ms |
9420 KB |
Output is correct |
11 |
Correct |
126 ms |
28992 KB |
Output is correct |
12 |
Correct |
34 ms |
11664 KB |
Output is correct |
13 |
Correct |
75 ms |
18116 KB |
Output is correct |
14 |
Correct |
4 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
403 ms |
45816 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 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 |
4940 KB |
Output is correct |
22 |
Correct |
3 ms |
4940 KB |
Output is correct |
23 |
Incorrect |
1004 ms |
78948 KB |
Tree @(3, 5) appears more than once: for edges on positions 111193 and 111194 |
24 |
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 |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
395 ms |
48816 KB |
Output is correct |
10 |
Correct |
24 ms |
9420 KB |
Output is correct |
11 |
Correct |
126 ms |
28992 KB |
Output is correct |
12 |
Correct |
34 ms |
11664 KB |
Output is correct |
13 |
Correct |
75 ms |
18116 KB |
Output is correct |
14 |
Correct |
4 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
403 ms |
45816 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 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 |
4940 KB |
Output is correct |
22 |
Correct |
3 ms |
4940 KB |
Output is correct |
23 |
Incorrect |
1004 ms |
78948 KB |
Tree @(3, 5) appears more than once: for edges on positions 111193 and 111194 |
24 |
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 |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
395 ms |
48816 KB |
Output is correct |
10 |
Correct |
24 ms |
9420 KB |
Output is correct |
11 |
Correct |
126 ms |
28992 KB |
Output is correct |
12 |
Correct |
34 ms |
11664 KB |
Output is correct |
13 |
Correct |
75 ms |
18116 KB |
Output is correct |
14 |
Correct |
4 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
403 ms |
45816 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Incorrect |
867 ms |
82264 KB |
Tree @(7, 199995) appears more than once: for edges on positions 2 and 100001 |
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 |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
395 ms |
48816 KB |
Output is correct |
10 |
Correct |
24 ms |
9420 KB |
Output is correct |
11 |
Correct |
126 ms |
28992 KB |
Output is correct |
12 |
Correct |
34 ms |
11664 KB |
Output is correct |
13 |
Correct |
75 ms |
18116 KB |
Output is correct |
14 |
Correct |
4 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
403 ms |
45816 KB |
Output is correct |
17 |
Correct |
975 ms |
94664 KB |
Output is correct |
18 |
Correct |
950 ms |
88528 KB |
Output is correct |
19 |
Incorrect |
905 ms |
79256 KB |
Tree @(7, 50005) appears more than once: for edges on positions 23802 and 123800 |
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 |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
395 ms |
48816 KB |
Output is correct |
10 |
Correct |
24 ms |
9420 KB |
Output is correct |
11 |
Correct |
126 ms |
28992 KB |
Output is correct |
12 |
Correct |
34 ms |
11664 KB |
Output is correct |
13 |
Correct |
75 ms |
18116 KB |
Output is correct |
14 |
Correct |
4 ms |
5196 KB |
Output is correct |
15 |
Correct |
6 ms |
5452 KB |
Output is correct |
16 |
Correct |
403 ms |
45816 KB |
Output is correct |
17 |
Correct |
3 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 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 |
4940 KB |
Output is correct |
22 |
Correct |
3 ms |
4940 KB |
Output is correct |
23 |
Incorrect |
1004 ms |
78948 KB |
Tree @(3, 5) appears more than once: for edges on positions 111193 and 111194 |
24 |
Halted |
0 ms |
0 KB |
- |