#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
template <class T>
void read(T &x)
{
x = 0;
register int c;
while ((c = getchar()) && (c > '9' || c < '0'))
;
for (; c >= '0' && c <= '9'; c = getchar())
x = x * 10 + c - '0';
}
constexpr bool typetest = 0;
constexpr int N = 2e3 + 5;
//Ảo thật đấy
int lcam[N][N];
int LCA(int u, int v)
{
if (u == v)
return u;
if (u == 0 || v == 0)
return 0;
if (lcam[u][v] != -1)
return lcam[u][v];
return (lcam[u][v] = lcam[v][u] = Query(0, u, v));
}
void Recursive(int root, vector<int> &s)
{
if (s.size() == 1)
return;
if (s.size() == 2)
{
Bridge(min(s[0], s[1]), max(s[0], s[1]));
return;
}
map<int, vector<int>> subtree;
int u;
do
{
u = s[rand() % s.size()];
} while (u == root);
vector<int> chain;
for (auto i : s)
{
int lca = LCA(i, u);
if (lca == i)
chain.emplace_back(i);
subtree[lca].emplace_back(i);
}
sort(chain.begin(), chain.end(), [&](const int &x, const int &y)
{ return LCA(x, y) == x; });
for (int i = 0; i < (int)chain.size() - 1; ++i)
Bridge(min(chain[i], chain[i + 1]), max(chain[i], chain[i + 1]));
for (auto i : subtree)
Recursive(i.first, i.second);
}
void Solve(int n)
{
memset(lcam, -1, sizeof lcam);
vector<int> s;
for (int i = 0; i < n; ++i)
s.emplace_back(i);
random_shuffle(s.begin(), s.end());
Recursive(0, s);
}
/*
void Read()
{
}
void Solve()
{
}
int32_t main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
if (fopen("xor.INP", "r"))
{
freopen("xor.inp", "r", stdin);
freopen("xor.out", "w", stdout);
}
int t(1);
if (typetest)
cin >> t;
for (int _ = 1; _ <= t; ++_)
{
// cout << "Case #" << _ << ": ";
Read();
Solve();
}
// cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
}
*/
Compilation message
meetings.cpp: In function 'void read(T&)':
meetings.cpp:13:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
13 | register int c;
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
16072 KB |
Output is correct |
2 |
Correct |
6 ms |
16072 KB |
Output is correct |
3 |
Correct |
7 ms |
16072 KB |
Output is correct |
4 |
Correct |
6 ms |
16072 KB |
Output is correct |
5 |
Correct |
6 ms |
16060 KB |
Output is correct |
6 |
Correct |
6 ms |
16008 KB |
Output is correct |
7 |
Correct |
6 ms |
16072 KB |
Output is correct |
8 |
Correct |
6 ms |
16072 KB |
Output is correct |
9 |
Correct |
6 ms |
16072 KB |
Output is correct |
10 |
Correct |
6 ms |
16072 KB |
Output is correct |
11 |
Correct |
6 ms |
16072 KB |
Output is correct |
12 |
Correct |
6 ms |
16072 KB |
Output is correct |
13 |
Correct |
7 ms |
16072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
16072 KB |
Output is correct |
2 |
Correct |
6 ms |
16072 KB |
Output is correct |
3 |
Correct |
7 ms |
16072 KB |
Output is correct |
4 |
Correct |
6 ms |
16072 KB |
Output is correct |
5 |
Correct |
6 ms |
16060 KB |
Output is correct |
6 |
Correct |
6 ms |
16008 KB |
Output is correct |
7 |
Correct |
6 ms |
16072 KB |
Output is correct |
8 |
Correct |
6 ms |
16072 KB |
Output is correct |
9 |
Correct |
6 ms |
16072 KB |
Output is correct |
10 |
Correct |
6 ms |
16072 KB |
Output is correct |
11 |
Correct |
6 ms |
16072 KB |
Output is correct |
12 |
Correct |
6 ms |
16072 KB |
Output is correct |
13 |
Correct |
7 ms |
16072 KB |
Output is correct |
14 |
Correct |
7 ms |
16072 KB |
Output is correct |
15 |
Correct |
6 ms |
16072 KB |
Output is correct |
16 |
Correct |
6 ms |
16072 KB |
Output is correct |
17 |
Correct |
7 ms |
16048 KB |
Output is correct |
18 |
Correct |
6 ms |
16072 KB |
Output is correct |
19 |
Correct |
7 ms |
16072 KB |
Output is correct |
20 |
Correct |
6 ms |
16072 KB |
Output is correct |
21 |
Correct |
7 ms |
16072 KB |
Output is correct |
22 |
Correct |
6 ms |
16072 KB |
Output is correct |
23 |
Correct |
6 ms |
16072 KB |
Output is correct |
24 |
Correct |
7 ms |
16072 KB |
Output is correct |
25 |
Correct |
7 ms |
16076 KB |
Output is correct |
26 |
Correct |
7 ms |
16040 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
16072 KB |
Output is correct |
2 |
Correct |
6 ms |
16072 KB |
Output is correct |
3 |
Correct |
7 ms |
16072 KB |
Output is correct |
4 |
Correct |
6 ms |
16072 KB |
Output is correct |
5 |
Correct |
6 ms |
16060 KB |
Output is correct |
6 |
Correct |
6 ms |
16008 KB |
Output is correct |
7 |
Correct |
6 ms |
16072 KB |
Output is correct |
8 |
Correct |
6 ms |
16072 KB |
Output is correct |
9 |
Correct |
6 ms |
16072 KB |
Output is correct |
10 |
Correct |
6 ms |
16072 KB |
Output is correct |
11 |
Correct |
6 ms |
16072 KB |
Output is correct |
12 |
Correct |
6 ms |
16072 KB |
Output is correct |
13 |
Correct |
7 ms |
16072 KB |
Output is correct |
14 |
Correct |
7 ms |
16072 KB |
Output is correct |
15 |
Correct |
6 ms |
16072 KB |
Output is correct |
16 |
Correct |
6 ms |
16072 KB |
Output is correct |
17 |
Correct |
7 ms |
16048 KB |
Output is correct |
18 |
Correct |
6 ms |
16072 KB |
Output is correct |
19 |
Correct |
7 ms |
16072 KB |
Output is correct |
20 |
Correct |
6 ms |
16072 KB |
Output is correct |
21 |
Correct |
7 ms |
16072 KB |
Output is correct |
22 |
Correct |
6 ms |
16072 KB |
Output is correct |
23 |
Correct |
6 ms |
16072 KB |
Output is correct |
24 |
Correct |
7 ms |
16072 KB |
Output is correct |
25 |
Correct |
7 ms |
16076 KB |
Output is correct |
26 |
Correct |
7 ms |
16040 KB |
Output is correct |
27 |
Correct |
10 ms |
16072 KB |
Output is correct |
28 |
Correct |
10 ms |
16072 KB |
Output is correct |
29 |
Correct |
10 ms |
16072 KB |
Output is correct |
30 |
Correct |
12 ms |
16232 KB |
Output is correct |
31 |
Correct |
11 ms |
16072 KB |
Output is correct |
32 |
Correct |
13 ms |
16072 KB |
Output is correct |
33 |
Correct |
19 ms |
16140 KB |
Output is correct |
34 |
Correct |
18 ms |
16104 KB |
Output is correct |
35 |
Correct |
18 ms |
16072 KB |
Output is correct |
36 |
Correct |
10 ms |
16072 KB |
Output is correct |
37 |
Correct |
16 ms |
16148 KB |
Output is correct |
38 |
Correct |
15 ms |
16152 KB |
Output is correct |
39 |
Correct |
16 ms |
16140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
461 ms |
16296 KB |
Output is correct |
2 |
Correct |
473 ms |
16516 KB |
Output is correct |
3 |
Correct |
461 ms |
16320 KB |
Output is correct |
4 |
Correct |
433 ms |
16380 KB |
Output is correct |
5 |
Correct |
351 ms |
16324 KB |
Output is correct |
6 |
Correct |
328 ms |
16280 KB |
Output is correct |
7 |
Correct |
522 ms |
16380 KB |
Output is correct |
8 |
Correct |
686 ms |
16668 KB |
Output is correct |
9 |
Correct |
615 ms |
16648 KB |
Output is correct |
10 |
Correct |
617 ms |
16320 KB |
Output is correct |
11 |
Correct |
622 ms |
16368 KB |
Output is correct |
12 |
Correct |
409 ms |
16448 KB |
Output is correct |
13 |
Correct |
259 ms |
16452 KB |
Output is correct |
14 |
Correct |
410 ms |
16392 KB |
Output is correct |
15 |
Correct |
443 ms |
16260 KB |
Output is correct |
16 |
Correct |
437 ms |
16432 KB |
Output is correct |
17 |
Correct |
639 ms |
16524 KB |
Output is correct |
18 |
Correct |
346 ms |
16320 KB |
Output is correct |
19 |
Correct |
344 ms |
16272 KB |
Output is correct |
20 |
Correct |
456 ms |
16364 KB |
Output is correct |
21 |
Correct |
477 ms |
16448 KB |
Output is correct |
22 |
Correct |
480 ms |
16324 KB |
Output is correct |
23 |
Correct |
507 ms |
16320 KB |
Output is correct |
24 |
Correct |
460 ms |
16268 KB |
Output is correct |
25 |
Correct |
431 ms |
16388 KB |
Output is correct |
26 |
Correct |
445 ms |
16276 KB |
Output is correct |
27 |
Correct |
427 ms |
16364 KB |
Output is correct |
28 |
Correct |
710 ms |
16448 KB |
Output is correct |
29 |
Correct |
598 ms |
16320 KB |
Output is correct |
30 |
Correct |
615 ms |
16380 KB |
Output is correct |
31 |
Correct |
634 ms |
16468 KB |
Output is correct |
32 |
Correct |
971 ms |
16520 KB |
Output is correct |
33 |
Correct |
855 ms |
16572 KB |
Output is correct |
34 |
Correct |
11 ms |
16120 KB |
Output is correct |
35 |
Correct |
10 ms |
16116 KB |
Output is correct |
36 |
Correct |
9 ms |
16072 KB |
Output is correct |
37 |
Correct |
11 ms |
16072 KB |
Output is correct |
38 |
Correct |
10 ms |
16072 KB |
Output is correct |
39 |
Correct |
13 ms |
16072 KB |
Output is correct |
40 |
Correct |
17 ms |
16124 KB |
Output is correct |
41 |
Correct |
20 ms |
16072 KB |
Output is correct |
42 |
Correct |
20 ms |
16124 KB |
Output is correct |
43 |
Correct |
10 ms |
16072 KB |
Output is correct |
44 |
Correct |
15 ms |
16200 KB |
Output is correct |
45 |
Correct |
15 ms |
16116 KB |
Output is correct |
46 |
Correct |
15 ms |
16136 KB |
Output is correct |
47 |
Correct |
6 ms |
16072 KB |
Output is correct |
48 |
Correct |
6 ms |
16072 KB |
Output is correct |
49 |
Correct |
7 ms |
16072 KB |
Output is correct |
50 |
Correct |
6 ms |
16072 KB |
Output is correct |
51 |
Correct |
6 ms |
16072 KB |
Output is correct |
52 |
Correct |
6 ms |
16072 KB |
Output is correct |
53 |
Correct |
6 ms |
16072 KB |
Output is correct |
54 |
Correct |
6 ms |
16072 KB |
Output is correct |
55 |
Correct |
7 ms |
16072 KB |
Output is correct |
56 |
Correct |
7 ms |
16072 KB |
Output is correct |
57 |
Correct |
6 ms |
16072 KB |
Output is correct |
58 |
Correct |
6 ms |
16072 KB |
Output is correct |
59 |
Correct |
6 ms |
16072 KB |
Output is correct |
60 |
Correct |
7 ms |
15976 KB |
Output is correct |
61 |
Correct |
6 ms |
16056 KB |
Output is correct |
62 |
Correct |
6 ms |
16072 KB |
Output is correct |
63 |
Correct |
6 ms |
16072 KB |
Output is correct |
64 |
Correct |
7 ms |
16064 KB |
Output is correct |
65 |
Correct |
6 ms |
16072 KB |
Output is correct |
66 |
Correct |
6 ms |
16072 KB |
Output is correct |
67 |
Correct |
6 ms |
15968 KB |
Output is correct |
68 |
Correct |
6 ms |
16036 KB |
Output is correct |
69 |
Correct |
6 ms |
16072 KB |
Output is correct |
70 |
Correct |
6 ms |
16072 KB |
Output is correct |
71 |
Correct |
6 ms |
16072 KB |
Output is correct |
72 |
Correct |
6 ms |
16072 KB |
Output is correct |