#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
struct dsu {
int n;
vector<int> p, s;
dsu(int n) : n(n), p(n), s(n, 1) {
iota(p.begin(), p.end(), 0);
}
int find(int x) {
return x == p[x] ? x : p[x] = find(p[x]);
}
int size(int x) {
return s[find(x)];
}
bool same(int x, int y) {
return find(x) == find(y);
}
bool unite(int x, int y) {
x = find(x);
y = find(y);
if (x == y) {
return 0;
}
if (s[x] > s[y]) {
swap(x, y);
}
p[x] = y;
s[y] += s[x];
return 1;
}
};
int construct_roads(vector<int> X, vector<int> Y) {
int N = X.size();
vector f(5, vector(200003, -1));
for (int i = 0; i < N; i++) {
f[X[i]][Y[i]] = i;
}
dsu uf(N);
vector<int> u, v, a, b;
for (int y = 2; y <= 200000; y += 2) {
for (int x = 2; x <= 4; x += 2) {
if (f[x][y] != -1 && f[x][y + 2] != -1) {
u.push_back(f[x][y]);
v.push_back(f[x][y + 2]);
a.push_back(2 * x - 3);
b.push_back(y + 1);
uf.unite(f[x][y], f[x][y + 2]);
}
}
if (f[2][y] != -1 && f[4][y] != -1) {
u.push_back(f[2][y]);
v.push_back(f[4][y]);
a.push_back(3);
b.push_back(y - 1);
uf.unite(f[2][y], f[4][y]);
}
}
if (uf.size(0) != N) {
return 0;
}
build(u, v, a, b);
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
47 ms |
11576 KB |
Output is correct |
10 |
Correct |
6 ms |
5076 KB |
Output is correct |
11 |
Correct |
22 ms |
8132 KB |
Output is correct |
12 |
Correct |
8 ms |
5316 KB |
Output is correct |
13 |
Correct |
10 ms |
6532 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
40 ms |
11608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
47 ms |
11576 KB |
Output is correct |
10 |
Correct |
6 ms |
5076 KB |
Output is correct |
11 |
Correct |
22 ms |
8132 KB |
Output is correct |
12 |
Correct |
8 ms |
5316 KB |
Output is correct |
13 |
Correct |
10 ms |
6532 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
40 ms |
11608 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
2 ms |
4948 KB |
Output is correct |
23 |
Correct |
113 ms |
23096 KB |
Output is correct |
24 |
Correct |
2 ms |
4948 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
43 ms |
11816 KB |
Output is correct |
29 |
Correct |
67 ms |
16124 KB |
Output is correct |
30 |
Correct |
86 ms |
19528 KB |
Output is correct |
31 |
Correct |
109 ms |
23092 KB |
Output is correct |
32 |
Correct |
2 ms |
4948 KB |
Output is correct |
33 |
Correct |
3 ms |
5004 KB |
Output is correct |
34 |
Correct |
2 ms |
4948 KB |
Output is correct |
35 |
Correct |
2 ms |
4948 KB |
Output is correct |
36 |
Correct |
2 ms |
4948 KB |
Output is correct |
37 |
Correct |
2 ms |
4948 KB |
Output is correct |
38 |
Correct |
2 ms |
4948 KB |
Output is correct |
39 |
Correct |
2 ms |
4948 KB |
Output is correct |
40 |
Correct |
2 ms |
4948 KB |
Output is correct |
41 |
Correct |
2 ms |
4948 KB |
Output is correct |
42 |
Correct |
3 ms |
4948 KB |
Output is correct |
43 |
Correct |
3 ms |
4948 KB |
Output is correct |
44 |
Correct |
3 ms |
4948 KB |
Output is correct |
45 |
Correct |
41 ms |
11588 KB |
Output is correct |
46 |
Correct |
62 ms |
15384 KB |
Output is correct |
47 |
Correct |
60 ms |
15280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
47 ms |
11576 KB |
Output is correct |
10 |
Correct |
6 ms |
5076 KB |
Output is correct |
11 |
Correct |
22 ms |
8132 KB |
Output is correct |
12 |
Correct |
8 ms |
5316 KB |
Output is correct |
13 |
Correct |
10 ms |
6532 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
40 ms |
11608 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
2 ms |
4948 KB |
Output is correct |
23 |
Correct |
113 ms |
23096 KB |
Output is correct |
24 |
Correct |
2 ms |
4948 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
43 ms |
11816 KB |
Output is correct |
29 |
Correct |
67 ms |
16124 KB |
Output is correct |
30 |
Correct |
86 ms |
19528 KB |
Output is correct |
31 |
Correct |
109 ms |
23092 KB |
Output is correct |
32 |
Correct |
2 ms |
4948 KB |
Output is correct |
33 |
Correct |
3 ms |
5004 KB |
Output is correct |
34 |
Correct |
2 ms |
4948 KB |
Output is correct |
35 |
Correct |
2 ms |
4948 KB |
Output is correct |
36 |
Correct |
2 ms |
4948 KB |
Output is correct |
37 |
Correct |
2 ms |
4948 KB |
Output is correct |
38 |
Correct |
2 ms |
4948 KB |
Output is correct |
39 |
Correct |
2 ms |
4948 KB |
Output is correct |
40 |
Correct |
2 ms |
4948 KB |
Output is correct |
41 |
Correct |
2 ms |
4948 KB |
Output is correct |
42 |
Correct |
3 ms |
4948 KB |
Output is correct |
43 |
Correct |
3 ms |
4948 KB |
Output is correct |
44 |
Correct |
3 ms |
4948 KB |
Output is correct |
45 |
Correct |
41 ms |
11588 KB |
Output is correct |
46 |
Correct |
62 ms |
15384 KB |
Output is correct |
47 |
Correct |
60 ms |
15280 KB |
Output is correct |
48 |
Runtime error |
5 ms |
8388 KB |
Execution killed with signal 6 |
49 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
47 ms |
11576 KB |
Output is correct |
10 |
Correct |
6 ms |
5076 KB |
Output is correct |
11 |
Correct |
22 ms |
8132 KB |
Output is correct |
12 |
Correct |
8 ms |
5316 KB |
Output is correct |
13 |
Correct |
10 ms |
6532 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
40 ms |
11608 KB |
Output is correct |
17 |
Runtime error |
5 ms |
8388 KB |
Execution killed with signal 11 |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
47 ms |
11576 KB |
Output is correct |
10 |
Correct |
6 ms |
5076 KB |
Output is correct |
11 |
Correct |
22 ms |
8132 KB |
Output is correct |
12 |
Correct |
8 ms |
5316 KB |
Output is correct |
13 |
Correct |
10 ms |
6532 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
40 ms |
11608 KB |
Output is correct |
17 |
Runtime error |
34 ms |
14692 KB |
Execution killed with signal 11 |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
47 ms |
11576 KB |
Output is correct |
10 |
Correct |
6 ms |
5076 KB |
Output is correct |
11 |
Correct |
22 ms |
8132 KB |
Output is correct |
12 |
Correct |
8 ms |
5316 KB |
Output is correct |
13 |
Correct |
10 ms |
6532 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
40 ms |
11608 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
2 ms |
4948 KB |
Output is correct |
23 |
Correct |
113 ms |
23096 KB |
Output is correct |
24 |
Correct |
2 ms |
4948 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
43 ms |
11816 KB |
Output is correct |
29 |
Correct |
67 ms |
16124 KB |
Output is correct |
30 |
Correct |
86 ms |
19528 KB |
Output is correct |
31 |
Correct |
109 ms |
23092 KB |
Output is correct |
32 |
Correct |
2 ms |
4948 KB |
Output is correct |
33 |
Correct |
3 ms |
5004 KB |
Output is correct |
34 |
Correct |
2 ms |
4948 KB |
Output is correct |
35 |
Correct |
2 ms |
4948 KB |
Output is correct |
36 |
Correct |
2 ms |
4948 KB |
Output is correct |
37 |
Correct |
2 ms |
4948 KB |
Output is correct |
38 |
Correct |
2 ms |
4948 KB |
Output is correct |
39 |
Correct |
2 ms |
4948 KB |
Output is correct |
40 |
Correct |
2 ms |
4948 KB |
Output is correct |
41 |
Correct |
2 ms |
4948 KB |
Output is correct |
42 |
Correct |
3 ms |
4948 KB |
Output is correct |
43 |
Correct |
3 ms |
4948 KB |
Output is correct |
44 |
Correct |
3 ms |
4948 KB |
Output is correct |
45 |
Correct |
41 ms |
11588 KB |
Output is correct |
46 |
Correct |
62 ms |
15384 KB |
Output is correct |
47 |
Correct |
60 ms |
15280 KB |
Output is correct |
48 |
Runtime error |
5 ms |
8388 KB |
Execution killed with signal 6 |
49 |
Halted |
0 ms |
0 KB |
- |