#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
typedef long double LD;
typedef long long ll;
#define pb push_back
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define all(v) v.begin(),v.end()
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;
#define F first
#define S second
vi gg[2005];
vpii edges;
int globalu;
int quer = 0;
bool cmp(int x,int y){
quer++;
return Query(globalu,x,y) == x;
}
void dfs(int u){
vi mkc;
for(auto x:gg[u]) mkc.pb(x);
gg[u].clear();
if(mkc.size() == 0) return;
if(mkc.size() == 1){
edges.pb({u,mkc[0]});
return;
}
int v = mkc[rand()%mkc.size()];
vi path;
for(auto x:mkc){
if(x == v) continue;
quer++;
int lol = Query(u,v,x);
if(lol == x) path.pb(x);
else gg[lol].pb(x);
}
path.pb(v);
globalu = u;
sort(all(path),cmp);
edges.pb({u,path[0]});
REP(i,path.size()-1) edges.pb({path[i],path[i+1]});
dfs(u);
for(auto x:path) dfs(x);
}
void Solve(int n){
int root = rand()%n;
REP(i,n){
if(i != root){
gg[root].pb(i);
}
}
dfs(root);
for(auto x:edges){
Bridge(min(x.F,x.S),max(x.F,x.S));
}
assert(quer <= 39000);
}
Compilation message
meetings.cpp: In function 'void dfs(int)':
meetings.cpp:8:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define REP(i,n) for (int i = 0; i < n; i++)
meetings.cpp:52:6:
REP(i,path.size()-1) edges.pb({path[i],path[i+1]});
~~~~~~~~~~~~~~~
meetings.cpp:52:2: note: in expansion of macro 'REP'
REP(i,path.size()-1) edges.pb({path[i],path[i+1]});
^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
512 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
512 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
12 ms |
512 KB |
Output is correct |
| 28 |
Correct |
9 ms |
512 KB |
Output is correct |
| 29 |
Correct |
9 ms |
512 KB |
Output is correct |
| 30 |
Correct |
10 ms |
512 KB |
Output is correct |
| 31 |
Correct |
9 ms |
512 KB |
Output is correct |
| 32 |
Correct |
13 ms |
512 KB |
Output is correct |
| 33 |
Correct |
18 ms |
512 KB |
Output is correct |
| 34 |
Correct |
20 ms |
512 KB |
Output is correct |
| 35 |
Correct |
20 ms |
512 KB |
Output is correct |
| 36 |
Correct |
11 ms |
512 KB |
Output is correct |
| 37 |
Correct |
17 ms |
512 KB |
Output is correct |
| 38 |
Correct |
18 ms |
512 KB |
Output is correct |
| 39 |
Correct |
19 ms |
512 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
525 ms |
760 KB |
Output is correct |
| 2 |
Correct |
590 ms |
888 KB |
Output is correct |
| 3 |
Correct |
651 ms |
760 KB |
Output is correct |
| 4 |
Correct |
567 ms |
888 KB |
Output is correct |
| 5 |
Correct |
366 ms |
760 KB |
Output is correct |
| 6 |
Correct |
376 ms |
760 KB |
Output is correct |
| 7 |
Correct |
650 ms |
1016 KB |
Output is correct |
| 8 |
Correct |
745 ms |
896 KB |
Output is correct |
| 9 |
Correct |
709 ms |
888 KB |
Output is correct |
| 10 |
Correct |
680 ms |
760 KB |
Output is correct |
| 11 |
Correct |
883 ms |
1016 KB |
Output is correct |
| 12 |
Correct |
569 ms |
888 KB |
Output is correct |
| 13 |
Correct |
301 ms |
760 KB |
Output is correct |
| 14 |
Correct |
544 ms |
900 KB |
Output is correct |
| 15 |
Correct |
467 ms |
760 KB |
Output is correct |
| 16 |
Correct |
479 ms |
760 KB |
Output is correct |
| 17 |
Correct |
742 ms |
888 KB |
Output is correct |
| 18 |
Correct |
434 ms |
812 KB |
Output is correct |
| 19 |
Correct |
467 ms |
736 KB |
Output is correct |
| 20 |
Correct |
573 ms |
760 KB |
Output is correct |
| 21 |
Correct |
713 ms |
888 KB |
Output is correct |
| 22 |
Correct |
546 ms |
764 KB |
Output is correct |
| 23 |
Correct |
605 ms |
888 KB |
Output is correct |
| 24 |
Correct |
542 ms |
824 KB |
Output is correct |
| 25 |
Correct |
573 ms |
760 KB |
Output is correct |
| 26 |
Correct |
555 ms |
736 KB |
Output is correct |
| 27 |
Correct |
605 ms |
888 KB |
Output is correct |
| 28 |
Correct |
791 ms |
888 KB |
Output is correct |
| 29 |
Correct |
686 ms |
768 KB |
Output is correct |
| 30 |
Correct |
691 ms |
760 KB |
Output is correct |
| 31 |
Correct |
798 ms |
888 KB |
Output is correct |
| 32 |
Correct |
861 ms |
760 KB |
Output is correct |
| 33 |
Runtime error |
1136 ms |
1528 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
