#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC optimization ("Ofast")
#include<bits/stdc++.h>
#include"meetings.h"
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<vii> vvii;
#define INF INT_MAX
#define MOD 1000000007
#define all(x) x.begin(), x.end()
map<ii, int> qr;
int ask(int u, int v){
if(u>v)swap(u,v);
if(u==v)return u;
if(qr.find({u,v}) == qr.end())
qr[{u,v}] = Query(0, u, v);
return qr[{u,v}];
}
vi sol;
void doit(int root, vi S){
unordered_map<int, vi> tmp;
vi path;
int u = S[rand()%S.size()];
for(auto v : S){
int p = ask(u, v);
if(p == v) path.push_back(v);
else tmp[p].push_back(v);
}
sort(all(path), [&](int a, int b){
return (ask(a, b) == a);
});
for(int x = 1; x < path.size(); x++){
sol[path[x]] = path[x-1];
}
sol[path[0]] = root;
for(auto [rt, s] : tmp){
doit(rt, s);
}
return;
}
void Solve(int N){
vi S; sol.resize(N);
for(int x = 1; x < N; x++)
S.push_back(x);
doit(0, S);
for(int x = 1; x < N; x++)
Bridge(min(sol[x], x), max(sol[x], x));
}
Compilation message
meetings.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization ("O3")
meetings.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization ("unroll-loops")
meetings.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization ("Ofast")
meetings.cpp: In function 'void doit(int, vi)':
meetings.cpp:47:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int x = 1; x < path.size(); x++){
~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
360 KB |
Output is correct |
16 |
Correct |
1 ms |
512 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
360 KB |
Output is correct |
16 |
Correct |
1 ms |
512 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
7 ms |
512 KB |
Output is correct |
28 |
Correct |
7 ms |
512 KB |
Output is correct |
29 |
Correct |
6 ms |
512 KB |
Output is correct |
30 |
Correct |
7 ms |
512 KB |
Output is correct |
31 |
Correct |
7 ms |
512 KB |
Output is correct |
32 |
Correct |
10 ms |
512 KB |
Output is correct |
33 |
Correct |
15 ms |
640 KB |
Output is correct |
34 |
Correct |
20 ms |
760 KB |
Output is correct |
35 |
Correct |
28 ms |
640 KB |
Output is correct |
36 |
Correct |
7 ms |
512 KB |
Output is correct |
37 |
Correct |
14 ms |
640 KB |
Output is correct |
38 |
Correct |
15 ms |
640 KB |
Output is correct |
39 |
Correct |
13 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
538 ms |
1500 KB |
Output is correct |
2 |
Correct |
673 ms |
1784 KB |
Output is correct |
3 |
Correct |
600 ms |
1784 KB |
Output is correct |
4 |
Correct |
546 ms |
1528 KB |
Output is correct |
5 |
Correct |
370 ms |
1272 KB |
Output is correct |
6 |
Correct |
459 ms |
1400 KB |
Output is correct |
7 |
Correct |
755 ms |
2292 KB |
Output is correct |
8 |
Correct |
904 ms |
2736 KB |
Output is correct |
9 |
Correct |
884 ms |
2808 KB |
Output is correct |
10 |
Correct |
902 ms |
2936 KB |
Output is correct |
11 |
Correct |
960 ms |
3064 KB |
Output is correct |
12 |
Correct |
435 ms |
1528 KB |
Output is correct |
13 |
Correct |
345 ms |
1272 KB |
Output is correct |
14 |
Correct |
581 ms |
1912 KB |
Output is correct |
15 |
Correct |
532 ms |
1872 KB |
Output is correct |
16 |
Correct |
561 ms |
1984 KB |
Output is correct |
17 |
Correct |
862 ms |
3040 KB |
Output is correct |
18 |
Correct |
426 ms |
1656 KB |
Output is correct |
19 |
Correct |
427 ms |
1572 KB |
Output is correct |
20 |
Correct |
587 ms |
1784 KB |
Output is correct |
21 |
Correct |
589 ms |
1784 KB |
Output is correct |
22 |
Correct |
688 ms |
2180 KB |
Output is correct |
23 |
Correct |
663 ms |
2040 KB |
Output is correct |
24 |
Correct |
623 ms |
1784 KB |
Output is correct |
25 |
Correct |
527 ms |
1784 KB |
Output is correct |
26 |
Correct |
522 ms |
1784 KB |
Output is correct |
27 |
Correct |
581 ms |
1840 KB |
Output is correct |
28 |
Correct |
947 ms |
3064 KB |
Output is correct |
29 |
Correct |
870 ms |
3192 KB |
Output is correct |
30 |
Correct |
880 ms |
2936 KB |
Output is correct |
31 |
Correct |
941 ms |
2932 KB |
Output is correct |
32 |
Correct |
1223 ms |
2296 KB |
Output is correct |
33 |
Correct |
956 ms |
2168 KB |
Output is correct |
34 |
Correct |
8 ms |
512 KB |
Output is correct |
35 |
Correct |
8 ms |
512 KB |
Output is correct |
36 |
Correct |
7 ms |
512 KB |
Output is correct |
37 |
Correct |
8 ms |
512 KB |
Output is correct |
38 |
Correct |
7 ms |
512 KB |
Output is correct |
39 |
Correct |
10 ms |
512 KB |
Output is correct |
40 |
Correct |
15 ms |
640 KB |
Output is correct |
41 |
Correct |
21 ms |
768 KB |
Output is correct |
42 |
Correct |
18 ms |
640 KB |
Output is correct |
43 |
Correct |
6 ms |
512 KB |
Output is correct |
44 |
Correct |
15 ms |
640 KB |
Output is correct |
45 |
Correct |
18 ms |
512 KB |
Output is correct |
46 |
Correct |
11 ms |
512 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
384 KB |
Output is correct |
52 |
Correct |
1 ms |
384 KB |
Output is correct |
53 |
Correct |
1 ms |
384 KB |
Output is correct |
54 |
Correct |
1 ms |
384 KB |
Output is correct |
55 |
Correct |
1 ms |
384 KB |
Output is correct |
56 |
Correct |
1 ms |
384 KB |
Output is correct |
57 |
Correct |
1 ms |
384 KB |
Output is correct |
58 |
Correct |
1 ms |
384 KB |
Output is correct |
59 |
Correct |
1 ms |
384 KB |
Output is correct |
60 |
Correct |
0 ms |
384 KB |
Output is correct |
61 |
Correct |
0 ms |
384 KB |
Output is correct |
62 |
Correct |
0 ms |
384 KB |
Output is correct |
63 |
Correct |
0 ms |
384 KB |
Output is correct |
64 |
Correct |
0 ms |
384 KB |
Output is correct |
65 |
Correct |
0 ms |
384 KB |
Output is correct |
66 |
Correct |
0 ms |
384 KB |
Output is correct |
67 |
Correct |
0 ms |
384 KB |
Output is correct |
68 |
Correct |
0 ms |
384 KB |
Output is correct |
69 |
Correct |
0 ms |
384 KB |
Output is correct |
70 |
Correct |
0 ms |
384 KB |
Output is correct |
71 |
Correct |
0 ms |
384 KB |
Output is correct |
72 |
Correct |
0 ms |
384 KB |
Output is correct |