#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;
typedef long long ll;
vector<ll> lnk1, lnk2;
ll find1(ll a) {
if (lnk1[a] != a) lnk1[a] = find1(lnk1[a]);
return lnk1[a];
}
ll find2(ll a) {
if (lnk2[a] != a) lnk2[a] = find2(lnk2[a]);
return lnk2[a];
}
void unite1(ll a, ll b) {
a = find1(a); b = find1(b);
lnk1[b] = a;
}
void unite2(ll a, ll b) {
a = find2(a); b = find2(b);
lnk2[b] = a;
}
int construct(vector<vector<int>> p) {
ll n = p.size();
lnk1 = vector<ll>(p.size());
lnk2 = vector<ll>(p.size());
for (int i = 0; i < n; i++) lnk1[i] = lnk2[i] = i;
for (int i = 0; i < n; i++) {
for (int j = i+1; j < n; j++) {
if (p[i][j] == 3) return 0;
if (p[i][j] == 2) unite2(i, j);
if (p[i][j] == 1) unite1(i, j);
}
}
vector<set<ll>> clubs1(n), clubs2(n);
for (int i = 0; i < n; i++) {
clubs1[find1(i)].insert(i);
clubs2[find2(i)].insert(find1(i));
}
vector<vector<int>> res(n, vector<int>(n));
for (int i = 0; i < n; i++) {
if (clubs2[i].size() > 1) {
ll prev = *--clubs2[i].end();
for (auto &e : clubs2[i]) {
res[prev][e] = 1;
res[e][prev] = 1;
unite2(e, prev);
prev = e;
}
}
if (clubs1[i].size() > 1) {
ll prev = -1;
for (auto &e : clubs1[i]) {
if (prev != -1) {
res[prev][e] = 1;
res[e][prev] = 1;
unite2(e, prev);
}
prev = e;
}
}
}
for (int i = 0; i < n; i++) {
for (int j = i+1; j < n; j++) {
if (p[i][j] == 0 && find2(i) == find2(j)) return 0;
if (p[i][j] == 2 && find1(i) == find1(j)) return 0;
}
}
build(res);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1364 KB |
Output is correct |
7 |
Correct |
118 ms |
22356 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1364 KB |
Output is correct |
7 |
Correct |
118 ms |
22356 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
6 ms |
1368 KB |
Output is correct |
13 |
Correct |
117 ms |
22260 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
60 ms |
12368 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
29 ms |
5892 KB |
Output is correct |
21 |
Correct |
125 ms |
22296 KB |
Output is correct |
22 |
Correct |
127 ms |
22356 KB |
Output is correct |
23 |
Correct |
130 ms |
22300 KB |
Output is correct |
24 |
Correct |
119 ms |
22352 KB |
Output is correct |
25 |
Correct |
58 ms |
12312 KB |
Output is correct |
26 |
Correct |
50 ms |
12368 KB |
Output is correct |
27 |
Correct |
135 ms |
22232 KB |
Output is correct |
28 |
Correct |
113 ms |
22356 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Answer gives possible 1 while actual possible 0 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
30 ms |
6396 KB |
Output is correct |
5 |
Correct |
151 ms |
23472 KB |
Output is correct |
6 |
Correct |
116 ms |
23516 KB |
Output is correct |
7 |
Correct |
130 ms |
23632 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
29 ms |
6476 KB |
Output is correct |
10 |
Correct |
129 ms |
23632 KB |
Output is correct |
11 |
Correct |
118 ms |
23572 KB |
Output is correct |
12 |
Correct |
128 ms |
23632 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
30 ms |
6272 KB |
Output is correct |
17 |
Correct |
122 ms |
23460 KB |
Output is correct |
18 |
Correct |
132 ms |
23484 KB |
Output is correct |
19 |
Correct |
121 ms |
23576 KB |
Output is correct |
20 |
Correct |
115 ms |
23480 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1364 KB |
Output is correct |
7 |
Correct |
118 ms |
22356 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
6 ms |
1368 KB |
Output is correct |
13 |
Correct |
117 ms |
22260 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
60 ms |
12368 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
29 ms |
5892 KB |
Output is correct |
21 |
Correct |
125 ms |
22296 KB |
Output is correct |
22 |
Correct |
127 ms |
22356 KB |
Output is correct |
23 |
Correct |
130 ms |
22300 KB |
Output is correct |
24 |
Correct |
119 ms |
22352 KB |
Output is correct |
25 |
Correct |
58 ms |
12312 KB |
Output is correct |
26 |
Correct |
50 ms |
12368 KB |
Output is correct |
27 |
Correct |
135 ms |
22232 KB |
Output is correct |
28 |
Correct |
113 ms |
22356 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
344 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Incorrect |
0 ms |
348 KB |
Answer gives possible 1 while actual possible 0 |
33 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1364 KB |
Output is correct |
7 |
Correct |
118 ms |
22356 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
6 ms |
1368 KB |
Output is correct |
13 |
Correct |
117 ms |
22260 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
60 ms |
12368 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
29 ms |
5892 KB |
Output is correct |
21 |
Correct |
125 ms |
22296 KB |
Output is correct |
22 |
Correct |
127 ms |
22356 KB |
Output is correct |
23 |
Correct |
130 ms |
22300 KB |
Output is correct |
24 |
Correct |
119 ms |
22352 KB |
Output is correct |
25 |
Correct |
58 ms |
12312 KB |
Output is correct |
26 |
Correct |
50 ms |
12368 KB |
Output is correct |
27 |
Correct |
135 ms |
22232 KB |
Output is correct |
28 |
Correct |
113 ms |
22356 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
344 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Incorrect |
0 ms |
348 KB |
Answer gives possible 1 while actual possible 0 |
33 |
Halted |
0 ms |
0 KB |
- |