#pragma GCC optimize("O3")
#include "meetings.h"
#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define X first
#define Y second
#define SZ(x) (int)(x).size()
unsigned seed=12345;
long long rnd(){
seed=seed^(seed<<7);
seed=seed^(seed>>4);
seed=seed^(seed>>3);
return seed;
}
map<vector<int>,int>mp;
int n;
int query(int a,int b,int c){
vector<int>vc={a,b,c};
sort(vc.begin(),vc.end());
if(vc[0]==vc[1]){return vc[0];}
if(vc[1]==vc[2]){return vc[2];}
if(mp[vc]){return mp[vc];}
mp[vc]=Query(vc[0]-1,vc[1]-1,vc[2]-1)+1;
return mp[vc];
}
set<pair<int,int>>ans;
int finmid(vector<int>&vc){
int a=rnd()%vc.size();
int b=rnd()%vc.size();
if(b==a){b++;b%=vc.size();}
int c=rnd()%vc.size();
if(c==a){
c++;c%=vc.size();
}
if(c==b){
c++;c%=vc.size();
}
return query(vc[0],vc[1],vc[2]);
}
void slv(vector<int>vc){
if(vc.size()==1){return;}
if(vc.size()==2){
ans.insert({min(vc[0],vc[1]),max(vc[0],vc[1])});
return;
}
random_shuffle(vc.begin(),vc.end());
random_shuffle(vc.begin(),vc.end());
vector<int>vcb;vector<int>vca;
int md=vc[0];
int w=vc[1];
md=query(vc[0],vc[1],vc[2]);
for(int i=0;i<vc.size();i++){
if(vc[i]==md){
swap(vc[i],vc[0]);
}
}
w=vc[1];
set<int>st;
st.insert(w);
for(int i=2;i<vc.size();i++){
int v=vc[i];
if(v==w){
st.insert(v);
continue;
}
int vv=query(md,w,v);
if(vv==md){continue;}
st.insert(vc[i]);
w=vv;
}
for(int i=0;i<vc.size();i++){
if(st.find(vc[i])!=st.end()){
vca.push_back(vc[i]);
}else{
vcb.push_back(vc[i]);
}
}
ans.insert({min(md,w),max(md,w)});
slv(vca);
slv(vcb);
}
void Solve(int N){
n=N;
vector<int>vc;
for(int i=1;i<=n;i++){
vc.push_back(i);
}
slv(vc);
for(auto it=ans.begin();it!=ans.end();it++){
Bridge((*it).first-1, (*it).second-1);
}
}
Compilation message
meetings.cpp: In function 'void slv(std::vector<int>)':
meetings.cpp:60:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
60 | for(int i=0;i<vc.size();i++){
| ~^~~~~~~~~~
meetings.cpp:68:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
68 | for(int i=2;i<vc.size();i++){
| ~^~~~~~~~~~
meetings.cpp:79:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
79 | for(int i=0;i<vc.size();i++){
| ~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Correct |
7 ms |
856 KB |
Output is correct |
28 |
Correct |
8 ms |
856 KB |
Output is correct |
29 |
Correct |
8 ms |
880 KB |
Output is correct |
30 |
Correct |
6 ms |
600 KB |
Output is correct |
31 |
Correct |
7 ms |
856 KB |
Output is correct |
32 |
Correct |
8 ms |
856 KB |
Output is correct |
33 |
Correct |
9 ms |
1112 KB |
Output is correct |
34 |
Correct |
11 ms |
1112 KB |
Output is correct |
35 |
Correct |
10 ms |
1028 KB |
Output is correct |
36 |
Correct |
7 ms |
856 KB |
Output is correct |
37 |
Correct |
8 ms |
632 KB |
Output is correct |
38 |
Correct |
8 ms |
600 KB |
Output is correct |
39 |
Correct |
7 ms |
600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
410 ms |
3920 KB |
Output is correct |
2 |
Correct |
425 ms |
4444 KB |
Output is correct |
3 |
Correct |
425 ms |
4220 KB |
Output is correct |
4 |
Correct |
398 ms |
4184 KB |
Output is correct |
5 |
Correct |
417 ms |
3476 KB |
Output is correct |
6 |
Correct |
356 ms |
4476 KB |
Output is correct |
7 |
Correct |
440 ms |
4964 KB |
Output is correct |
8 |
Correct |
499 ms |
5464 KB |
Output is correct |
9 |
Correct |
464 ms |
6036 KB |
Output is correct |
10 |
Correct |
419 ms |
6524 KB |
Output is correct |
11 |
Correct |
517 ms |
6016 KB |
Output is correct |
12 |
Correct |
398 ms |
3464 KB |
Output is correct |
13 |
Correct |
328 ms |
3756 KB |
Output is correct |
14 |
Correct |
411 ms |
5188 KB |
Output is correct |
15 |
Correct |
448 ms |
5240 KB |
Output is correct |
16 |
Correct |
431 ms |
5344 KB |
Output is correct |
17 |
Correct |
658 ms |
6316 KB |
Output is correct |
18 |
Correct |
526 ms |
5520 KB |
Output is correct |
19 |
Correct |
484 ms |
5508 KB |
Output is correct |
20 |
Correct |
466 ms |
5712 KB |
Output is correct |
21 |
Correct |
427 ms |
5136 KB |
Output is correct |
22 |
Correct |
418 ms |
5252 KB |
Output is correct |
23 |
Correct |
414 ms |
4936 KB |
Output is correct |
24 |
Correct |
384 ms |
5056 KB |
Output is correct |
25 |
Correct |
484 ms |
4776 KB |
Output is correct |
26 |
Correct |
525 ms |
5356 KB |
Output is correct |
27 |
Correct |
446 ms |
4988 KB |
Output is correct |
28 |
Correct |
536 ms |
6180 KB |
Output is correct |
29 |
Correct |
430 ms |
6344 KB |
Output is correct |
30 |
Correct |
522 ms |
6480 KB |
Output is correct |
31 |
Correct |
447 ms |
5768 KB |
Output is correct |
32 |
Correct |
498 ms |
3316 KB |
Output is correct |
33 |
Correct |
395 ms |
3204 KB |
Output is correct |
34 |
Correct |
7 ms |
856 KB |
Output is correct |
35 |
Correct |
8 ms |
856 KB |
Output is correct |
36 |
Correct |
7 ms |
856 KB |
Output is correct |
37 |
Correct |
6 ms |
600 KB |
Output is correct |
38 |
Correct |
7 ms |
1108 KB |
Output is correct |
39 |
Correct |
8 ms |
856 KB |
Output is correct |
40 |
Correct |
10 ms |
1112 KB |
Output is correct |
41 |
Correct |
12 ms |
1032 KB |
Output is correct |
42 |
Correct |
10 ms |
1112 KB |
Output is correct |
43 |
Correct |
8 ms |
856 KB |
Output is correct |
44 |
Correct |
8 ms |
680 KB |
Output is correct |
45 |
Correct |
8 ms |
600 KB |
Output is correct |
46 |
Correct |
7 ms |
576 KB |
Output is correct |
47 |
Correct |
1 ms |
344 KB |
Output is correct |
48 |
Correct |
1 ms |
344 KB |
Output is correct |
49 |
Correct |
1 ms |
480 KB |
Output is correct |
50 |
Correct |
1 ms |
344 KB |
Output is correct |
51 |
Correct |
1 ms |
344 KB |
Output is correct |
52 |
Correct |
1 ms |
344 KB |
Output is correct |
53 |
Correct |
1 ms |
344 KB |
Output is correct |
54 |
Correct |
1 ms |
344 KB |
Output is correct |
55 |
Correct |
1 ms |
344 KB |
Output is correct |
56 |
Correct |
1 ms |
344 KB |
Output is correct |
57 |
Correct |
1 ms |
344 KB |
Output is correct |
58 |
Correct |
1 ms |
344 KB |
Output is correct |
59 |
Correct |
1 ms |
344 KB |
Output is correct |
60 |
Correct |
0 ms |
344 KB |
Output is correct |
61 |
Correct |
0 ms |
344 KB |
Output is correct |
62 |
Correct |
1 ms |
344 KB |
Output is correct |
63 |
Correct |
0 ms |
344 KB |
Output is correct |
64 |
Correct |
0 ms |
344 KB |
Output is correct |
65 |
Correct |
0 ms |
592 KB |
Output is correct |
66 |
Correct |
0 ms |
344 KB |
Output is correct |
67 |
Correct |
0 ms |
344 KB |
Output is correct |
68 |
Correct |
0 ms |
344 KB |
Output is correct |
69 |
Correct |
1 ms |
344 KB |
Output is correct |
70 |
Correct |
1 ms |
344 KB |
Output is correct |
71 |
Correct |
0 ms |
344 KB |
Output is correct |
72 |
Correct |
0 ms |
344 KB |
Output is correct |