#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
#include "parks.h"
map<pii,int> M;
int parent[200000];
int find(int n) {
if (parent[n] != n) parent[n] = find(parent[n]);
return parent[n];
}
int construct_roads(vector<int> x,vector<int> y) {
int i,n = x.size();
vi u,v,a,b;
for (i = 0; i < n; i++) M[mp(x[i],y[i])] = parent[i] = i;
for (i = 0; i < n; i++) {
if (((x[i]+y[i])/2) & 1) {
if (M.count(mp(x[i]-2,y[i])) && (find(M[mp(x[i]-2,y[i])]) != find(i))) {
u.pb(M[mp(x[i]-2,y[i])]),v.pb(i);
parent[find(M[mp(x[i]-2,y[i])])] = find(i);
a.pb(x[i]-1),b.pb(y[i]+1);
}
if (M.count(mp(x[i],y[i]-2)) && (find(M[mp(x[i],y[i]-2)]) != find(i))) {
u.pb(M[mp(x[i],y[i]-2)]),v.pb(i);
parent[find(M[mp(x[i],y[i]-2)])] = find(i);
a.pb(x[i]-1),b.pb(y[i]-1);
}
}
else {
if (M.count(mp(x[i],y[i]-2)) && (find(M[mp(x[i],y[i]-2)]) != find(i))) {
u.pb(M[mp(x[i],y[i]-2)]),v.pb(i);
parent[find(M[mp(x[i],y[i]-2)])] = find(i);
a.pb(x[i]+1),b.pb(y[i]-1);
}
if (M.count(mp(x[i]-2,y[i])) && (find(M[mp(x[i]-2,y[i])]) != find(i))) {
u.pb(M[mp(x[i]-2,y[i])]),v.pb(i);
parent[find(M[mp(x[i]-2,y[i])])] = find(i);
a.pb(x[i]-1),b.pb(y[i]-1);
}
}
}
for (i = 0; i < n; i++) {
if (find(i) != find(0)) return 0;
}
build(u,v,a,b);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
312 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
154 ms |
13576 KB |
Output is correct |
10 |
Correct |
10 ms |
2004 KB |
Output is correct |
11 |
Correct |
61 ms |
8252 KB |
Output is correct |
12 |
Correct |
15 ms |
2772 KB |
Output is correct |
13 |
Correct |
36 ms |
5268 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
159 ms |
13604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
312 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
154 ms |
13576 KB |
Output is correct |
10 |
Correct |
10 ms |
2004 KB |
Output is correct |
11 |
Correct |
61 ms |
8252 KB |
Output is correct |
12 |
Correct |
15 ms |
2772 KB |
Output is correct |
13 |
Correct |
36 ms |
5268 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
159 ms |
13604 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
312 KB |
Output is correct |
20 |
Incorrect |
1 ms |
308 KB |
Tree @(3, 7) appears more than once: for edges on positions 3 and 5 |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
312 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
154 ms |
13576 KB |
Output is correct |
10 |
Correct |
10 ms |
2004 KB |
Output is correct |
11 |
Correct |
61 ms |
8252 KB |
Output is correct |
12 |
Correct |
15 ms |
2772 KB |
Output is correct |
13 |
Correct |
36 ms |
5268 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
159 ms |
13604 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
312 KB |
Output is correct |
20 |
Incorrect |
1 ms |
308 KB |
Tree @(3, 7) appears more than once: for edges on positions 3 and 5 |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
312 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
154 ms |
13576 KB |
Output is correct |
10 |
Correct |
10 ms |
2004 KB |
Output is correct |
11 |
Correct |
61 ms |
8252 KB |
Output is correct |
12 |
Correct |
15 ms |
2772 KB |
Output is correct |
13 |
Correct |
36 ms |
5268 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
159 ms |
13604 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
433 ms |
26472 KB |
Output is correct |
21 |
Correct |
424 ms |
26504 KB |
Output is correct |
22 |
Correct |
417 ms |
26480 KB |
Output is correct |
23 |
Correct |
342 ms |
22712 KB |
Output is correct |
24 |
Correct |
258 ms |
16988 KB |
Output is correct |
25 |
Correct |
410 ms |
20148 KB |
Output is correct |
26 |
Correct |
396 ms |
20276 KB |
Output is correct |
27 |
Correct |
416 ms |
26516 KB |
Output is correct |
28 |
Correct |
452 ms |
26604 KB |
Output is correct |
29 |
Correct |
462 ms |
26552 KB |
Output is correct |
30 |
Correct |
482 ms |
26492 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
21 ms |
2588 KB |
Output is correct |
33 |
Correct |
84 ms |
8696 KB |
Output is correct |
34 |
Correct |
398 ms |
26552 KB |
Output is correct |
35 |
Correct |
12 ms |
1512 KB |
Output is correct |
36 |
Correct |
67 ms |
5576 KB |
Output is correct |
37 |
Correct |
164 ms |
10452 KB |
Output is correct |
38 |
Correct |
167 ms |
11212 KB |
Output is correct |
39 |
Correct |
234 ms |
15008 KB |
Output is correct |
40 |
Correct |
329 ms |
18736 KB |
Output is correct |
41 |
Correct |
400 ms |
22692 KB |
Output is correct |
42 |
Correct |
492 ms |
26512 KB |
Output is correct |
43 |
Correct |
1 ms |
316 KB |
Output is correct |
44 |
Correct |
1 ms |
212 KB |
Output is correct |
45 |
Correct |
1 ms |
312 KB |
Output is correct |
46 |
Correct |
0 ms |
316 KB |
Output is correct |
47 |
Correct |
1 ms |
212 KB |
Output is correct |
48 |
Correct |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
312 KB |
Output is correct |
50 |
Correct |
0 ms |
280 KB |
Output is correct |
51 |
Correct |
1 ms |
212 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
1 ms |
212 KB |
Output is correct |
54 |
Correct |
2 ms |
468 KB |
Output is correct |
55 |
Correct |
3 ms |
612 KB |
Output is correct |
56 |
Correct |
166 ms |
13620 KB |
Output is correct |
57 |
Correct |
292 ms |
19432 KB |
Output is correct |
58 |
Correct |
266 ms |
19384 KB |
Output is correct |
59 |
Correct |
1 ms |
212 KB |
Output is correct |
60 |
Correct |
1 ms |
212 KB |
Output is correct |
61 |
Correct |
1 ms |
212 KB |
Output is correct |
62 |
Correct |
356 ms |
26612 KB |
Output is correct |
63 |
Correct |
374 ms |
26492 KB |
Output is correct |
64 |
Correct |
384 ms |
26380 KB |
Output is correct |
65 |
Correct |
5 ms |
724 KB |
Output is correct |
66 |
Correct |
8 ms |
1108 KB |
Output is correct |
67 |
Correct |
171 ms |
13616 KB |
Output is correct |
68 |
Correct |
318 ms |
20132 KB |
Output is correct |
69 |
Correct |
448 ms |
26460 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
312 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
154 ms |
13576 KB |
Output is correct |
10 |
Correct |
10 ms |
2004 KB |
Output is correct |
11 |
Correct |
61 ms |
8252 KB |
Output is correct |
12 |
Correct |
15 ms |
2772 KB |
Output is correct |
13 |
Correct |
36 ms |
5268 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
159 ms |
13604 KB |
Output is correct |
17 |
Correct |
399 ms |
26532 KB |
Output is correct |
18 |
Correct |
406 ms |
26544 KB |
Output is correct |
19 |
Correct |
451 ms |
26564 KB |
Output is correct |
20 |
Correct |
503 ms |
26008 KB |
Output is correct |
21 |
Correct |
425 ms |
23280 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
50 ms |
5072 KB |
Output is correct |
24 |
Correct |
25 ms |
2752 KB |
Output is correct |
25 |
Correct |
103 ms |
7716 KB |
Output is correct |
26 |
Correct |
216 ms |
12364 KB |
Output is correct |
27 |
Correct |
195 ms |
13516 KB |
Output is correct |
28 |
Correct |
277 ms |
16884 KB |
Output is correct |
29 |
Correct |
415 ms |
20044 KB |
Output is correct |
30 |
Correct |
416 ms |
23236 KB |
Output is correct |
31 |
Correct |
506 ms |
26564 KB |
Output is correct |
32 |
Correct |
447 ms |
26532 KB |
Output is correct |
33 |
Correct |
362 ms |
26532 KB |
Output is correct |
34 |
Correct |
5 ms |
852 KB |
Output is correct |
35 |
Correct |
9 ms |
1364 KB |
Output is correct |
36 |
Correct |
185 ms |
13640 KB |
Output is correct |
37 |
Correct |
311 ms |
20132 KB |
Output is correct |
38 |
Correct |
476 ms |
26528 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
312 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
154 ms |
13576 KB |
Output is correct |
10 |
Correct |
10 ms |
2004 KB |
Output is correct |
11 |
Correct |
61 ms |
8252 KB |
Output is correct |
12 |
Correct |
15 ms |
2772 KB |
Output is correct |
13 |
Correct |
36 ms |
5268 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
159 ms |
13604 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
312 KB |
Output is correct |
20 |
Incorrect |
1 ms |
308 KB |
Tree @(3, 7) appears more than once: for edges on positions 3 and 5 |
21 |
Halted |
0 ms |
0 KB |
- |