#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define pb push_back
#define ALL(v) v.begin(), v.end()
#define SZ(a) ((int)a.size())
int construct_roads(vector<int> x, vector<int> y) {
if (x.size() == 1) {
build({}, {}, {}, {});
return 1;
}
int n = SZ(x);
vector<int> idx(n);
iota(ALL(idx), 0);
sort(ALL(idx), [&](int p, int q){ return y[p] < y[q]; });
vector<int> u, v, a, b;
for (int i = 0; i + 1 < n; ++i) {
if (y[idx[i + 1]] - y[idx[i]] > 2)
return 0;
u.pb(idx[i]);
v.pb(idx[i + 1]);
a.pb(x[idx[i]] + 1);
b.pb(y[idx[i]] + 1);
}
build(u, v, a, b);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
68 ms |
7852 KB |
Output is correct |
10 |
Correct |
6 ms |
1228 KB |
Output is correct |
11 |
Correct |
37 ms |
4352 KB |
Output is correct |
12 |
Correct |
9 ms |
1668 KB |
Output is correct |
13 |
Correct |
10 ms |
2168 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
69 ms |
7904 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
68 ms |
7852 KB |
Output is correct |
10 |
Correct |
6 ms |
1228 KB |
Output is correct |
11 |
Correct |
37 ms |
4352 KB |
Output is correct |
12 |
Correct |
9 ms |
1668 KB |
Output is correct |
13 |
Correct |
10 ms |
2168 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
69 ms |
7904 KB |
Output is correct |
17 |
Incorrect |
1 ms |
208 KB |
Tree (a[0], b[0]) = (5, 3) is not adjacent to edge between u[0]=2 @(4, 2) and v[0]=3 @(2, 2) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
68 ms |
7852 KB |
Output is correct |
10 |
Correct |
6 ms |
1228 KB |
Output is correct |
11 |
Correct |
37 ms |
4352 KB |
Output is correct |
12 |
Correct |
9 ms |
1668 KB |
Output is correct |
13 |
Correct |
10 ms |
2168 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
69 ms |
7904 KB |
Output is correct |
17 |
Incorrect |
1 ms |
208 KB |
Tree (a[0], b[0]) = (5, 3) is not adjacent to edge between u[0]=2 @(4, 2) and v[0]=3 @(2, 2) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
68 ms |
7852 KB |
Output is correct |
10 |
Correct |
6 ms |
1228 KB |
Output is correct |
11 |
Correct |
37 ms |
4352 KB |
Output is correct |
12 |
Correct |
9 ms |
1668 KB |
Output is correct |
13 |
Correct |
10 ms |
2168 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
69 ms |
7904 KB |
Output is correct |
17 |
Incorrect |
0 ms |
204 KB |
Tree (a[0], b[0]) = (200001, 3) is not adjacent to edge between u[0]=0 @(200000, 2) and v[0]=2 @(199998, 2) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
68 ms |
7852 KB |
Output is correct |
10 |
Correct |
6 ms |
1228 KB |
Output is correct |
11 |
Correct |
37 ms |
4352 KB |
Output is correct |
12 |
Correct |
9 ms |
1668 KB |
Output is correct |
13 |
Correct |
10 ms |
2168 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
69 ms |
7904 KB |
Output is correct |
17 |
Incorrect |
149 ms |
15820 KB |
Pair u[0]=144319 @(81514, 2) and v[0]=55086 @(31010, 2) does not form a valid edge (distance != 2) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
68 ms |
7852 KB |
Output is correct |
10 |
Correct |
6 ms |
1228 KB |
Output is correct |
11 |
Correct |
37 ms |
4352 KB |
Output is correct |
12 |
Correct |
9 ms |
1668 KB |
Output is correct |
13 |
Correct |
10 ms |
2168 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
69 ms |
7904 KB |
Output is correct |
17 |
Incorrect |
1 ms |
208 KB |
Tree (a[0], b[0]) = (5, 3) is not adjacent to edge between u[0]=2 @(4, 2) and v[0]=3 @(2, 2) |
18 |
Halted |
0 ms |
0 KB |
- |