#include "parks.h"
#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
using namespace std;
int N;
vector<pair<int, int > >node;
map<pair<int, int>, int>mp;
vector<int>u, v, a, b;
int padre[200005];
int findPadre(int k){
if(padre[k] == k)return k;
return padre[k] = findPadre(padre[k]);
}
void unir(int p, int q){
p = findPadre(p);
q = findPadre(q);
if(p == q){
return;
}
padre[p] = q;
}
int construct_roads(std::vector<int> x, std::vector<int> y) {
if (x.size() == 1) {
build({}, {}, {}, {});
return 1;
}
N = x.size();
for(int i = 0 ; i < N ; i ++){
node.pb({x[i], y[i]});
mp[{x[i], y[i]}] = i;
padre[i] = i;
}
for(int i = 0 ; i < N ; i++){
if(node[i].ff == 2 && mp.count({4, node[i].ss})){
u.pb(i);
v.pb(mp[{4, node[i].ss}]);
unir(i, mp[{4, node[i].ss}]);
a.pb(3);
b.pb(node[i].ss-1);
}
if(mp.count({node[i].ff, node[i].ss-2})){
if(node[i].ff == 2){
u.pb(i);
v.pb(mp[{2, node[i].ss-2}]);
unir(mp[{2, node[i].ss-2}], i);
a.pb(1);
b.pb(node[i].ss-1);
}else{
u.pb(i);
v.pb(mp[{4, node[i].ss-2}]);
unir(i, mp[{4, node[i].ss-2}]);
a.pb(5);
b.pb(node[i].ss-1);
}
}
}
for(int i =0 ; i < N ; i ++){
if(findPadre(i) != findPadre(0))return 0;
}
build(u, v, a, b);
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
312 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
143 ms |
16348 KB |
Output is correct |
10 |
Correct |
12 ms |
2112 KB |
Output is correct |
11 |
Correct |
57 ms |
9500 KB |
Output is correct |
12 |
Correct |
15 ms |
2856 KB |
Output is correct |
13 |
Correct |
34 ms |
6340 KB |
Output is correct |
14 |
Correct |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
148 ms |
16412 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
312 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
143 ms |
16348 KB |
Output is correct |
10 |
Correct |
12 ms |
2112 KB |
Output is correct |
11 |
Correct |
57 ms |
9500 KB |
Output is correct |
12 |
Correct |
15 ms |
2856 KB |
Output is correct |
13 |
Correct |
34 ms |
6340 KB |
Output is correct |
14 |
Correct |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
148 ms |
16412 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
452 ms |
37204 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
2 ms |
456 KB |
Output is correct |
26 |
Correct |
3 ms |
744 KB |
Output is correct |
27 |
Correct |
4 ms |
760 KB |
Output is correct |
28 |
Correct |
133 ms |
15660 KB |
Output is correct |
29 |
Correct |
229 ms |
22120 KB |
Output is correct |
30 |
Correct |
333 ms |
31472 KB |
Output is correct |
31 |
Correct |
482 ms |
37248 KB |
Output is correct |
32 |
Correct |
0 ms |
308 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
312 KB |
Output is correct |
35 |
Correct |
1 ms |
320 KB |
Output is correct |
36 |
Correct |
0 ms |
312 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
2 ms |
504 KB |
Output is correct |
44 |
Correct |
3 ms |
616 KB |
Output is correct |
45 |
Correct |
167 ms |
16532 KB |
Output is correct |
46 |
Correct |
253 ms |
24636 KB |
Output is correct |
47 |
Correct |
252 ms |
24660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
312 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
143 ms |
16348 KB |
Output is correct |
10 |
Correct |
12 ms |
2112 KB |
Output is correct |
11 |
Correct |
57 ms |
9500 KB |
Output is correct |
12 |
Correct |
15 ms |
2856 KB |
Output is correct |
13 |
Correct |
34 ms |
6340 KB |
Output is correct |
14 |
Correct |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
148 ms |
16412 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
452 ms |
37204 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
2 ms |
456 KB |
Output is correct |
26 |
Correct |
3 ms |
744 KB |
Output is correct |
27 |
Correct |
4 ms |
760 KB |
Output is correct |
28 |
Correct |
133 ms |
15660 KB |
Output is correct |
29 |
Correct |
229 ms |
22120 KB |
Output is correct |
30 |
Correct |
333 ms |
31472 KB |
Output is correct |
31 |
Correct |
482 ms |
37248 KB |
Output is correct |
32 |
Correct |
0 ms |
308 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
312 KB |
Output is correct |
35 |
Correct |
1 ms |
320 KB |
Output is correct |
36 |
Correct |
0 ms |
312 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
2 ms |
504 KB |
Output is correct |
44 |
Correct |
3 ms |
616 KB |
Output is correct |
45 |
Correct |
167 ms |
16532 KB |
Output is correct |
46 |
Correct |
253 ms |
24636 KB |
Output is correct |
47 |
Correct |
252 ms |
24660 KB |
Output is correct |
48 |
Incorrect |
1 ms |
340 KB |
Solution announced impossible, but it is possible. |
49 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
312 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
143 ms |
16348 KB |
Output is correct |
10 |
Correct |
12 ms |
2112 KB |
Output is correct |
11 |
Correct |
57 ms |
9500 KB |
Output is correct |
12 |
Correct |
15 ms |
2856 KB |
Output is correct |
13 |
Correct |
34 ms |
6340 KB |
Output is correct |
14 |
Correct |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
148 ms |
16412 KB |
Output is correct |
17 |
Incorrect |
1 ms |
312 KB |
Solution announced impossible, but it is possible. |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
312 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
143 ms |
16348 KB |
Output is correct |
10 |
Correct |
12 ms |
2112 KB |
Output is correct |
11 |
Correct |
57 ms |
9500 KB |
Output is correct |
12 |
Correct |
15 ms |
2856 KB |
Output is correct |
13 |
Correct |
34 ms |
6340 KB |
Output is correct |
14 |
Correct |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
148 ms |
16412 KB |
Output is correct |
17 |
Incorrect |
306 ms |
25464 KB |
Solution announced impossible, but it is possible. |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
312 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
143 ms |
16348 KB |
Output is correct |
10 |
Correct |
12 ms |
2112 KB |
Output is correct |
11 |
Correct |
57 ms |
9500 KB |
Output is correct |
12 |
Correct |
15 ms |
2856 KB |
Output is correct |
13 |
Correct |
34 ms |
6340 KB |
Output is correct |
14 |
Correct |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
148 ms |
16412 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
452 ms |
37204 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
2 ms |
456 KB |
Output is correct |
26 |
Correct |
3 ms |
744 KB |
Output is correct |
27 |
Correct |
4 ms |
760 KB |
Output is correct |
28 |
Correct |
133 ms |
15660 KB |
Output is correct |
29 |
Correct |
229 ms |
22120 KB |
Output is correct |
30 |
Correct |
333 ms |
31472 KB |
Output is correct |
31 |
Correct |
482 ms |
37248 KB |
Output is correct |
32 |
Correct |
0 ms |
308 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
312 KB |
Output is correct |
35 |
Correct |
1 ms |
320 KB |
Output is correct |
36 |
Correct |
0 ms |
312 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
2 ms |
504 KB |
Output is correct |
44 |
Correct |
3 ms |
616 KB |
Output is correct |
45 |
Correct |
167 ms |
16532 KB |
Output is correct |
46 |
Correct |
253 ms |
24636 KB |
Output is correct |
47 |
Correct |
252 ms |
24660 KB |
Output is correct |
48 |
Incorrect |
1 ms |
340 KB |
Solution announced impossible, but it is possible. |
49 |
Halted |
0 ms |
0 KB |
- |