| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 378272 |
2021-03-16T11:13:42 Z |
pit4h |
Meetings (JOI19_meetings) |
C++14 |
|
802 ms |
2076 KB |
#include "meetings.h"
#include<bits/stdc++.h>
using namespace std;
int n;
int RAND(int l, int r, mt19937& rng) {
return uniform_int_distribution<int>(l, r)(rng);
}
void solve(vector<int>& v, mt19937& rng) {
if((int)v.size()<=1) return;
if((int)v.size()==2) {
//cerr<<"bridge: "<<v[0]<<' '<<v[1]<<'\n';
Bridge(min(v[0], v[1]), max(v[0], v[1]));
return;
}
int sz = v.size();
int v1 = RAND(0, sz-1, rng), v2 = RAND(0, sz-2, rng);
if(v2>=v1) v2++;
//cerr<<"solve [";
/*for(int i=0; i<sz; ++i) {
cerr<<v[i];
if(i<sz-1) cerr<<' ';
else cerr<<"] ";
}
cerr<<v[v1]<<' '<<v[v2]<<" "<<n<<'\n';
*/
vector<vector<int>> vec(n);
vec[v[v1]].push_back(v[v1]);
vec[v[v2]].push_back(v[v2]);
vector<int> path = {v[v1], v[v2]};
for(int i=0; i<sz; ++i) {
if(i == v1 || i==v2) continue;
int u = Query(v[v1], v[v2], v[i]);
//cerr<<v[i]<<": "<<u<<'\n';
if(u == v[i]) {
path.push_back(v[i]);
}
vec[u].push_back(v[i]);
}
if((int)path.size() == 3) {
//cerr<<"Bridge: "<<v[0]<<' '<<path[2]<<'\n';
//cerr<<"Bridge: "<<v[1]<<' '<<path[2]<<'\n';
Bridge(min(v[v1], path[2]), max(v[v1], path[2]));
Bridge(min(v[v2], path[2]), max(v[v2], path[2]));
}
else {
solve(path, rng);
}
for(int i=0; i<n; ++i) {
//cerr<<' '<<i<<" - "<<vec[i].size()<<'\n';
solve(vec[i], rng);
}
}
void Solve(int N) {
n = N;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int> v;
for(int i=0; i<N; ++i) {
v.push_back(i);
}
solve(v, rng);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
0 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
0 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
0 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
8 ms |
492 KB |
Output is correct |
| 28 |
Correct |
6 ms |
492 KB |
Output is correct |
| 29 |
Correct |
8 ms |
640 KB |
Output is correct |
| 30 |
Correct |
7 ms |
492 KB |
Output is correct |
| 31 |
Correct |
8 ms |
492 KB |
Output is correct |
| 32 |
Correct |
7 ms |
492 KB |
Output is correct |
| 33 |
Correct |
10 ms |
492 KB |
Output is correct |
| 34 |
Correct |
12 ms |
620 KB |
Output is correct |
| 35 |
Correct |
10 ms |
492 KB |
Output is correct |
| 36 |
Correct |
8 ms |
492 KB |
Output is correct |
| 37 |
Correct |
11 ms |
492 KB |
Output is correct |
| 38 |
Correct |
8 ms |
492 KB |
Output is correct |
| 39 |
Correct |
8 ms |
492 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
460 ms |
1424 KB |
Output is correct |
| 2 |
Correct |
802 ms |
1548 KB |
Output is correct |
| 3 |
Correct |
459 ms |
1312 KB |
Output is correct |
| 4 |
Correct |
456 ms |
1380 KB |
Output is correct |
| 5 |
Correct |
386 ms |
1252 KB |
Output is correct |
| 6 |
Correct |
394 ms |
1536 KB |
Output is correct |
| 7 |
Correct |
551 ms |
1816 KB |
Output is correct |
| 8 |
Correct |
577 ms |
1908 KB |
Output is correct |
| 9 |
Correct |
624 ms |
2076 KB |
Output is correct |
| 10 |
Correct |
515 ms |
1928 KB |
Output is correct |
| 11 |
Correct |
555 ms |
1796 KB |
Output is correct |
| 12 |
Correct |
292 ms |
1512 KB |
Output is correct |
| 13 |
Correct |
354 ms |
1404 KB |
Output is correct |
| 14 |
Correct |
377 ms |
1580 KB |
Output is correct |
| 15 |
Correct |
340 ms |
1420 KB |
Output is correct |
| 16 |
Correct |
410 ms |
1452 KB |
Output is correct |
| 17 |
Correct |
513 ms |
1996 KB |
Output is correct |
| 18 |
Correct |
405 ms |
1652 KB |
Output is correct |
| 19 |
Correct |
359 ms |
1516 KB |
Output is correct |
| 20 |
Correct |
430 ms |
1480 KB |
Output is correct |
| 21 |
Correct |
554 ms |
1552 KB |
Output is correct |
| 22 |
Correct |
424 ms |
1592 KB |
Output is correct |
| 23 |
Correct |
461 ms |
1644 KB |
Output is correct |
| 24 |
Correct |
529 ms |
1692 KB |
Output is correct |
| 25 |
Correct |
474 ms |
1672 KB |
Output is correct |
| 26 |
Correct |
399 ms |
1448 KB |
Output is correct |
| 27 |
Correct |
426 ms |
1604 KB |
Output is correct |
| 28 |
Correct |
632 ms |
1832 KB |
Output is correct |
| 29 |
Correct |
476 ms |
1692 KB |
Output is correct |
| 30 |
Correct |
505 ms |
1760 KB |
Output is correct |
| 31 |
Correct |
541 ms |
1800 KB |
Output is correct |
| 32 |
Correct |
614 ms |
1672 KB |
Output is correct |
| 33 |
Correct |
532 ms |
1620 KB |
Output is correct |
| 34 |
Correct |
7 ms |
492 KB |
Output is correct |
| 35 |
Correct |
6 ms |
492 KB |
Output is correct |
| 36 |
Correct |
6 ms |
492 KB |
Output is correct |
| 37 |
Correct |
8 ms |
492 KB |
Output is correct |
| 38 |
Correct |
10 ms |
492 KB |
Output is correct |
| 39 |
Correct |
10 ms |
492 KB |
Output is correct |
| 40 |
Correct |
13 ms |
564 KB |
Output is correct |
| 41 |
Correct |
13 ms |
492 KB |
Output is correct |
| 42 |
Correct |
14 ms |
620 KB |
Output is correct |
| 43 |
Correct |
5 ms |
492 KB |
Output is correct |
| 44 |
Correct |
9 ms |
620 KB |
Output is correct |
| 45 |
Correct |
10 ms |
492 KB |
Output is correct |
| 46 |
Correct |
9 ms |
492 KB |
Output is correct |
| 47 |
Correct |
1 ms |
364 KB |
Output is correct |
| 48 |
Correct |
1 ms |
364 KB |
Output is correct |
| 49 |
Correct |
1 ms |
364 KB |
Output is correct |
| 50 |
Correct |
1 ms |
364 KB |
Output is correct |
| 51 |
Correct |
1 ms |
492 KB |
Output is correct |
| 52 |
Correct |
1 ms |
364 KB |
Output is correct |
| 53 |
Correct |
1 ms |
364 KB |
Output is correct |
| 54 |
Correct |
1 ms |
364 KB |
Output is correct |
| 55 |
Correct |
1 ms |
364 KB |
Output is correct |
| 56 |
Correct |
1 ms |
364 KB |
Output is correct |
| 57 |
Correct |
1 ms |
364 KB |
Output is correct |
| 58 |
Correct |
1 ms |
364 KB |
Output is correct |
| 59 |
Correct |
1 ms |
364 KB |
Output is correct |
| 60 |
Correct |
1 ms |
364 KB |
Output is correct |
| 61 |
Correct |
0 ms |
364 KB |
Output is correct |
| 62 |
Correct |
1 ms |
364 KB |
Output is correct |
| 63 |
Correct |
1 ms |
364 KB |
Output is correct |
| 64 |
Correct |
0 ms |
364 KB |
Output is correct |
| 65 |
Correct |
1 ms |
364 KB |
Output is correct |
| 66 |
Correct |
1 ms |
364 KB |
Output is correct |
| 67 |
Correct |
1 ms |
364 KB |
Output is correct |
| 68 |
Correct |
1 ms |
364 KB |
Output is correct |
| 69 |
Correct |
1 ms |
364 KB |
Output is correct |
| 70 |
Correct |
1 ms |
364 KB |
Output is correct |
| 71 |
Correct |
1 ms |
364 KB |
Output is correct |
| 72 |
Correct |
1 ms |
364 KB |
Output is correct |
