#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
using vi = vector<int>;
#define pb push_back
#define sz(a) (int)a.size()
const int mxN = (int)2e3+10;
int n, used[mxN];
vi v[mxN];
void mergeSort(vi &v, int a, int b){
if(sz(v)<=1) return;
int mid = sz(v)/2;
vi w,x; w.clear(), x.clear();
for(int i = 0; i < mid; i++) w.pb(v[i]);
for(int i = mid; i < sz(v); i++) x.pb(v[i]);
mergeSort(w,a,b), mergeSort(x,a,b); v.clear();
int i = 0, j = 0;
while(i<sz(w) and j<sz(x)){
if(Query(a,w[i],x[j])==w[i]) v.pb(w[i++]);
else v.pb(x[j++]);
}
while(i<sz(w)) v.pb(w[i++]);
while(j<sz(x)) v.pb(x[j++]);
}
void bridge(int a, int b){
if(a>b) swap(a,b);
return Bridge(a,b);
}
void recur(int a, vi &w){
if(w.empty()) return;
int b = w[rand()%sz(w)]; used[a]=used[b]=1;
vi path, v[n+1]; path.clear();
for(int i = 0; i < n; i++) v[i].clear();
for(auto i : w){ if(!used[i]){
int x = Query(a,b,i);
if(x==i) path.pb(i),used[i]=1;
else v[x].pb(i);
} }
mergeSort(path,a,b);
if(path.empty()) bridge(a,b);
else bridge(a,path[0]),bridge(path.back(),b);
for(int i = 0; i < sz(path)-1; i++) bridge(path[i],path[i+1]);
for(auto u : path) recur(u,v[u]);
recur(a,v[a]); recur(b,v[b]);
}
void Solve(int N) {
n = N; int x = rand()%N;
for(int i = 0; i < n; i++) if(x!=i) v[x].pb(i);
random_shuffle(begin(v[x]),end(v[x])); recur(x,v[x]);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
336 KB |
Output is correct |
| 7 |
Correct |
0 ms |
336 KB |
Output is correct |
| 8 |
Correct |
0 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
0 ms |
336 KB |
Output is correct |
| 12 |
Correct |
0 ms |
336 KB |
Output is correct |
| 13 |
Correct |
0 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
336 KB |
Output is correct |
| 7 |
Correct |
0 ms |
336 KB |
Output is correct |
| 8 |
Correct |
0 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
0 ms |
336 KB |
Output is correct |
| 12 |
Correct |
0 ms |
336 KB |
Output is correct |
| 13 |
Correct |
0 ms |
336 KB |
Output is correct |
| 14 |
Correct |
0 ms |
336 KB |
Output is correct |
| 15 |
Correct |
0 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
0 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
0 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
336 KB |
Output is correct |
| 7 |
Correct |
0 ms |
336 KB |
Output is correct |
| 8 |
Correct |
0 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
0 ms |
336 KB |
Output is correct |
| 12 |
Correct |
0 ms |
336 KB |
Output is correct |
| 13 |
Correct |
0 ms |
336 KB |
Output is correct |
| 14 |
Correct |
0 ms |
336 KB |
Output is correct |
| 15 |
Correct |
0 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
0 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
0 ms |
336 KB |
Output is correct |
| 27 |
Correct |
6 ms |
464 KB |
Output is correct |
| 28 |
Correct |
3 ms |
464 KB |
Output is correct |
| 29 |
Correct |
4 ms |
464 KB |
Output is correct |
| 30 |
Correct |
4 ms |
464 KB |
Output is correct |
| 31 |
Correct |
3 ms |
464 KB |
Output is correct |
| 32 |
Correct |
7 ms |
464 KB |
Output is correct |
| 33 |
Correct |
10 ms |
592 KB |
Output is correct |
| 34 |
Correct |
12 ms |
592 KB |
Output is correct |
| 35 |
Correct |
12 ms |
592 KB |
Output is correct |
| 36 |
Correct |
4 ms |
464 KB |
Output is correct |
| 37 |
Correct |
11 ms |
464 KB |
Output is correct |
| 38 |
Correct |
10 ms |
464 KB |
Output is correct |
| 39 |
Correct |
9 ms |
448 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
409 ms |
1640 KB |
Output is correct |
| 2 |
Correct |
397 ms |
1576 KB |
Output is correct |
| 3 |
Correct |
428 ms |
1568 KB |
Output is correct |
| 4 |
Correct |
402 ms |
1432 KB |
Output is correct |
| 5 |
Correct |
278 ms |
1204 KB |
Output is correct |
| 6 |
Correct |
288 ms |
1224 KB |
Output is correct |
| 7 |
Correct |
532 ms |
1936 KB |
Output is correct |
| 8 |
Correct |
563 ms |
2284 KB |
Output is correct |
| 9 |
Correct |
599 ms |
2560 KB |
Output is correct |
| 10 |
Correct |
540 ms |
2420 KB |
Output is correct |
| 11 |
Correct |
613 ms |
2420 KB |
Output is correct |
| 12 |
Correct |
269 ms |
1052 KB |
Output is correct |
| 13 |
Correct |
199 ms |
1032 KB |
Output is correct |
| 14 |
Correct |
403 ms |
1672 KB |
Output is correct |
| 15 |
Correct |
422 ms |
1688 KB |
Output is correct |
| 16 |
Correct |
385 ms |
1544 KB |
Output is correct |
| 17 |
Correct |
575 ms |
2508 KB |
Output is correct |
| 18 |
Correct |
339 ms |
1536 KB |
Output is correct |
| 19 |
Correct |
344 ms |
1592 KB |
Output is correct |
| 20 |
Correct |
425 ms |
1552 KB |
Output is correct |
| 21 |
Correct |
422 ms |
1532 KB |
Output is correct |
| 22 |
Correct |
458 ms |
1656 KB |
Output is correct |
| 23 |
Correct |
543 ms |
1840 KB |
Output is correct |
| 24 |
Correct |
500 ms |
1816 KB |
Output is correct |
| 25 |
Correct |
425 ms |
1664 KB |
Output is correct |
| 26 |
Correct |
405 ms |
1660 KB |
Output is correct |
| 27 |
Correct |
423 ms |
1712 KB |
Output is correct |
| 28 |
Correct |
657 ms |
2644 KB |
Output is correct |
| 29 |
Correct |
540 ms |
2632 KB |
Output is correct |
| 30 |
Correct |
575 ms |
2592 KB |
Output is correct |
| 31 |
Correct |
583 ms |
2504 KB |
Output is correct |
| 32 |
Correct |
716 ms |
1104 KB |
Output is correct |
| 33 |
Correct |
675 ms |
1096 KB |
Output is correct |
| 34 |
Correct |
5 ms |
464 KB |
Output is correct |
| 35 |
Correct |
4 ms |
464 KB |
Output is correct |
| 36 |
Correct |
4 ms |
464 KB |
Output is correct |
| 37 |
Correct |
4 ms |
464 KB |
Output is correct |
| 38 |
Correct |
4 ms |
472 KB |
Output is correct |
| 39 |
Correct |
6 ms |
464 KB |
Output is correct |
| 40 |
Correct |
11 ms |
640 KB |
Output is correct |
| 41 |
Correct |
13 ms |
636 KB |
Output is correct |
| 42 |
Correct |
12 ms |
592 KB |
Output is correct |
| 43 |
Correct |
3 ms |
464 KB |
Output is correct |
| 44 |
Correct |
9 ms |
476 KB |
Output is correct |
| 45 |
Correct |
9 ms |
464 KB |
Output is correct |
| 46 |
Correct |
10 ms |
464 KB |
Output is correct |
| 47 |
Correct |
1 ms |
336 KB |
Output is correct |
| 48 |
Correct |
1 ms |
336 KB |
Output is correct |
| 49 |
Correct |
1 ms |
336 KB |
Output is correct |
| 50 |
Correct |
1 ms |
336 KB |
Output is correct |
| 51 |
Correct |
1 ms |
336 KB |
Output is correct |
| 52 |
Correct |
1 ms |
336 KB |
Output is correct |
| 53 |
Correct |
1 ms |
336 KB |
Output is correct |
| 54 |
Correct |
1 ms |
336 KB |
Output is correct |
| 55 |
Correct |
1 ms |
336 KB |
Output is correct |
| 56 |
Correct |
1 ms |
336 KB |
Output is correct |
| 57 |
Correct |
1 ms |
336 KB |
Output is correct |
| 58 |
Correct |
1 ms |
336 KB |
Output is correct |
| 59 |
Correct |
1 ms |
336 KB |
Output is correct |
| 60 |
Correct |
1 ms |
336 KB |
Output is correct |
| 61 |
Correct |
0 ms |
336 KB |
Output is correct |
| 62 |
Correct |
0 ms |
336 KB |
Output is correct |
| 63 |
Correct |
1 ms |
336 KB |
Output is correct |
| 64 |
Correct |
1 ms |
336 KB |
Output is correct |
| 65 |
Correct |
1 ms |
336 KB |
Output is correct |
| 66 |
Correct |
0 ms |
336 KB |
Output is correct |
| 67 |
Correct |
1 ms |
336 KB |
Output is correct |
| 68 |
Correct |
0 ms |
336 KB |
Output is correct |
| 69 |
Correct |
1 ms |
336 KB |
Output is correct |
| 70 |
Correct |
1 ms |
336 KB |
Output is correct |
| 71 |
Correct |
0 ms |
336 KB |
Output is correct |
| 72 |
Correct |
0 ms |
336 KB |
Output is correct |
