#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll; typedef pair<int, int> pii;
#define pb emplace_back
#define AI(x) begin(x),end(x)
#define ff first
#define ss second
#ifdef OWO
#define debug(args...) LKJ("\033[1;32m[ " + string(#args) + " ]\033[0m", args)
template <class I> void LKJ(I&&x) { cerr << x << endl; }
template <class I, class...T> void LKJ(I&&x, T&&...t) { cerr << x << ", "; LKJ(t...); }
template <class I> void OI(I a, I b) { while (a != b) cerr << *a << " \n"[(a = next(a)) == b]; }
#else
#define debug(...) 0
#define OI(...) 0
#endif
namespace {
random_device rd;
mt19937 mt(rd());
const int kN = 2002;
int N, root, mem[kN][kN];
int queryLCA(int u, int v) {
assert(u != v);
if (mem[u][v] != -1) return mem[u][v];
return (mem[u][v] = Query(root, u, v));
}
void addEdge(int u, int v) {
if (u > v) swap(u, v);
debug("Add edge", u, v);
Bridge(u, v);
}
bool cmp(int u, int v) {
return queryLCA(u, v) == u;
}
void init(int N) {
::N = N;
for (int i = 0; i < N; ++i)
for (int j = 0; j < N; ++j)
mem[i][j] = -1;
}
void solve(int rt, vector<int> ids) {
debug(rt);
OI(AI(ids));
if (ids.empty()) return;
if (ids.size() == 1) {
addEdge(rt, ids[0]);
return;
}
int u = ids.back(); ids.pop_back();
map<int, vector<int>> mp;
vector<int> ps;
for (const int& v: ids) {
int lca = queryLCA(u, v);
if (lca == v and lca != u) ps.pb(lca);
else mp[lca].pb(v);
}
debug(u);
for (auto &[nrt, nids]: mp) {
debug(nrt);
OI(AI(nids));
}
if (ps.empty()) {
addEdge(rt, u);
} else {
sort(AI(ps));
ps.erase(unique(AI(ps)), end(ps));
sort(AI(ps), cmp);
debug("ps");
OI(AI(ps));
addEdge(rt, ps[0]);
addEdge(ps.back(), u);
for (int i = 1; i < ps.size(); ++i)
addEdge(ps[i - 1], ps[i]);
}
for (auto &[nrt, nids]: mp) {
shuffle(AI(nids), mt);
solve(nrt, nids);
}
}
} // namespace
void Solve(int N) {
init(N);
vector<int> ids(N);
iota(AI(ids), 0);
shuffle(AI(ids), mt);
root = ids.back();
ids.pop_back();
debug(root);
OI(AI(ids));
solve(root, ids);
/*
for (int u = 0; u < N - 1; ++u)
Bridge(u, u + 1);
*/
}
Compilation message
meetings.cpp: In function 'void {anonymous}::addEdge(int, int)':
meetings.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
meetings.cpp:34:2: note: in expansion of macro 'debug'
34 | debug("Add edge", u, v);
| ^~~~~
meetings.cpp: In function 'void {anonymous}::solve(int, std::vector<int>)':
meetings.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
meetings.cpp:50:2: note: in expansion of macro 'debug'
50 | debug(rt);
| ^~~~~
meetings.cpp:16:17: warning: statement has no effect [-Wunused-value]
16 | #define OI(...) 0
| ^
meetings.cpp:51:2: note: in expansion of macro 'OI'
51 | OI(AI(ids));
| ^~
meetings.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
meetings.cpp:67:2: note: in expansion of macro 'debug'
67 | debug(u);
| ^~~~~
meetings.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
meetings.cpp:69:3: note: in expansion of macro 'debug'
69 | debug(nrt);
| ^~~~~
meetings.cpp:16:17: warning: statement has no effect [-Wunused-value]
16 | #define OI(...) 0
| ^
meetings.cpp:70:3: note: in expansion of macro 'OI'
70 | OI(AI(nids));
| ^~
meetings.cpp:68:13: warning: unused structured binding declaration [-Wunused-variable]
68 | for (auto &[nrt, nids]: mp) {
| ^~~~~~~~~~~
meetings.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
meetings.cpp:79:3: note: in expansion of macro 'debug'
79 | debug("ps");
| ^~~~~
meetings.cpp:16:17: warning: statement has no effect [-Wunused-value]
16 | #define OI(...) 0
| ^
meetings.cpp:80:3: note: in expansion of macro 'OI'
80 | OI(AI(ps));
| ^~
meetings.cpp:84:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
84 | for (int i = 1; i < ps.size(); ++i)
| ~~^~~~~~~~~~~
meetings.cpp: In function 'void Solve(int)':
meetings.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
meetings.cpp:106:2: note: in expansion of macro 'debug'
106 | debug(root);
| ^~~~~
meetings.cpp:16:17: warning: statement has no effect [-Wunused-value]
16 | #define OI(...) 0
| ^
meetings.cpp:107:2: note: in expansion of macro 'OI'
107 | OI(AI(ids));
| ^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
0 ms |
328 KB |
Output is correct |
3 |
Correct |
0 ms |
328 KB |
Output is correct |
4 |
Correct |
0 ms |
328 KB |
Output is correct |
5 |
Correct |
0 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
0 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
328 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
0 ms |
328 KB |
Output is correct |
3 |
Correct |
0 ms |
328 KB |
Output is correct |
4 |
Correct |
0 ms |
328 KB |
Output is correct |
5 |
Correct |
0 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
0 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
328 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
456 KB |
Output is correct |
16 |
Correct |
1 ms |
456 KB |
Output is correct |
17 |
Correct |
1 ms |
456 KB |
Output is correct |
18 |
Correct |
1 ms |
456 KB |
Output is correct |
19 |
Correct |
1 ms |
456 KB |
Output is correct |
20 |
Correct |
1 ms |
456 KB |
Output is correct |
21 |
Correct |
1 ms |
456 KB |
Output is correct |
22 |
Correct |
1 ms |
456 KB |
Output is correct |
23 |
Correct |
1 ms |
456 KB |
Output is correct |
24 |
Correct |
1 ms |
456 KB |
Output is correct |
25 |
Correct |
1 ms |
456 KB |
Output is correct |
26 |
Correct |
1 ms |
456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
0 ms |
328 KB |
Output is correct |
3 |
Correct |
0 ms |
328 KB |
Output is correct |
4 |
Correct |
0 ms |
328 KB |
Output is correct |
5 |
Correct |
0 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
0 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
328 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
456 KB |
Output is correct |
16 |
Correct |
1 ms |
456 KB |
Output is correct |
17 |
Correct |
1 ms |
456 KB |
Output is correct |
18 |
Correct |
1 ms |
456 KB |
Output is correct |
19 |
Correct |
1 ms |
456 KB |
Output is correct |
20 |
Correct |
1 ms |
456 KB |
Output is correct |
21 |
Correct |
1 ms |
456 KB |
Output is correct |
22 |
Correct |
1 ms |
456 KB |
Output is correct |
23 |
Correct |
1 ms |
456 KB |
Output is correct |
24 |
Correct |
1 ms |
456 KB |
Output is correct |
25 |
Correct |
1 ms |
456 KB |
Output is correct |
26 |
Correct |
1 ms |
456 KB |
Output is correct |
27 |
Correct |
8 ms |
1864 KB |
Output is correct |
28 |
Correct |
5 ms |
1992 KB |
Output is correct |
29 |
Correct |
8 ms |
1864 KB |
Output is correct |
30 |
Correct |
5 ms |
1864 KB |
Output is correct |
31 |
Correct |
5 ms |
1864 KB |
Output is correct |
32 |
Correct |
12 ms |
1864 KB |
Output is correct |
33 |
Correct |
16 ms |
1920 KB |
Output is correct |
34 |
Correct |
14 ms |
1936 KB |
Output is correct |
35 |
Correct |
20 ms |
1940 KB |
Output is correct |
36 |
Correct |
5 ms |
1864 KB |
Output is correct |
37 |
Correct |
12 ms |
1864 KB |
Output is correct |
38 |
Correct |
10 ms |
1864 KB |
Output is correct |
39 |
Correct |
8 ms |
1944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
378 ms |
16312 KB |
Output is correct |
2 |
Correct |
415 ms |
16304 KB |
Output is correct |
3 |
Correct |
445 ms |
16264 KB |
Output is correct |
4 |
Correct |
414 ms |
16292 KB |
Output is correct |
5 |
Correct |
318 ms |
16260 KB |
Output is correct |
6 |
Correct |
306 ms |
16308 KB |
Output is correct |
7 |
Correct |
633 ms |
16316 KB |
Output is correct |
8 |
Correct |
661 ms |
16324 KB |
Output is correct |
9 |
Correct |
670 ms |
16372 KB |
Output is correct |
10 |
Correct |
625 ms |
16348 KB |
Output is correct |
11 |
Correct |
623 ms |
16340 KB |
Output is correct |
12 |
Correct |
397 ms |
16348 KB |
Output is correct |
13 |
Correct |
203 ms |
16340 KB |
Output is correct |
14 |
Correct |
473 ms |
16448 KB |
Output is correct |
15 |
Correct |
397 ms |
16320 KB |
Output is correct |
16 |
Correct |
449 ms |
16304 KB |
Output is correct |
17 |
Correct |
645 ms |
16440 KB |
Output is correct |
18 |
Correct |
453 ms |
16340 KB |
Output is correct |
19 |
Correct |
367 ms |
16216 KB |
Output is correct |
20 |
Correct |
597 ms |
16320 KB |
Output is correct |
21 |
Correct |
510 ms |
16276 KB |
Output is correct |
22 |
Correct |
548 ms |
16408 KB |
Output is correct |
23 |
Correct |
497 ms |
16312 KB |
Output is correct |
24 |
Correct |
427 ms |
16360 KB |
Output is correct |
25 |
Correct |
455 ms |
16440 KB |
Output is correct |
26 |
Correct |
452 ms |
16220 KB |
Output is correct |
27 |
Correct |
431 ms |
16420 KB |
Output is correct |
28 |
Correct |
647 ms |
16328 KB |
Output is correct |
29 |
Correct |
766 ms |
16392 KB |
Output is correct |
30 |
Correct |
652 ms |
16464 KB |
Output is correct |
31 |
Correct |
654 ms |
16396 KB |
Output is correct |
32 |
Correct |
1085 ms |
16376 KB |
Output is correct |
33 |
Correct |
779 ms |
16452 KB |
Output is correct |
34 |
Correct |
8 ms |
1864 KB |
Output is correct |
35 |
Correct |
4 ms |
1864 KB |
Output is correct |
36 |
Correct |
5 ms |
1920 KB |
Output is correct |
37 |
Correct |
6 ms |
1864 KB |
Output is correct |
38 |
Correct |
4 ms |
1880 KB |
Output is correct |
39 |
Correct |
6 ms |
1864 KB |
Output is correct |
40 |
Correct |
11 ms |
1884 KB |
Output is correct |
41 |
Correct |
12 ms |
1864 KB |
Output is correct |
42 |
Correct |
15 ms |
1864 KB |
Output is correct |
43 |
Correct |
8 ms |
1944 KB |
Output is correct |
44 |
Correct |
11 ms |
1940 KB |
Output is correct |
45 |
Correct |
17 ms |
1960 KB |
Output is correct |
46 |
Correct |
9 ms |
1956 KB |
Output is correct |
47 |
Correct |
1 ms |
456 KB |
Output is correct |
48 |
Correct |
1 ms |
476 KB |
Output is correct |
49 |
Correct |
1 ms |
456 KB |
Output is correct |
50 |
Correct |
1 ms |
456 KB |
Output is correct |
51 |
Correct |
1 ms |
456 KB |
Output is correct |
52 |
Correct |
1 ms |
456 KB |
Output is correct |
53 |
Correct |
1 ms |
456 KB |
Output is correct |
54 |
Correct |
1 ms |
456 KB |
Output is correct |
55 |
Correct |
1 ms |
456 KB |
Output is correct |
56 |
Correct |
1 ms |
456 KB |
Output is correct |
57 |
Correct |
1 ms |
456 KB |
Output is correct |
58 |
Correct |
1 ms |
456 KB |
Output is correct |
59 |
Correct |
1 ms |
456 KB |
Output is correct |
60 |
Correct |
0 ms |
328 KB |
Output is correct |
61 |
Correct |
1 ms |
328 KB |
Output is correct |
62 |
Correct |
0 ms |
328 KB |
Output is correct |
63 |
Correct |
1 ms |
328 KB |
Output is correct |
64 |
Correct |
1 ms |
328 KB |
Output is correct |
65 |
Correct |
1 ms |
328 KB |
Output is correct |
66 |
Correct |
0 ms |
328 KB |
Output is correct |
67 |
Correct |
0 ms |
328 KB |
Output is correct |
68 |
Correct |
0 ms |
328 KB |
Output is correct |
69 |
Correct |
1 ms |
328 KB |
Output is correct |
70 |
Correct |
1 ms |
328 KB |
Output is correct |
71 |
Correct |
1 ms |
328 KB |
Output is correct |
72 |
Correct |
0 ms |
328 KB |
Output is correct |