| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 236589 |
2020-06-02T14:15:40 Z |
MvC |
Meetings (JOI19_meetings) |
C++14 |
|
1274 ms |
1432 KB |
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#include "meetings.h"
#define fr first
#define sc second
#define vec vector
#define pb push_back
#define pii pair<int, int>
#define forn(x,y) for(int x = 1 ; x <= (int)y ; ++x)
#define all(x) (x).begin(),(x).end()
#define fast cin.tie(0);cout.tie(0);cin.sync_with_stdio(0);cout.sync_with_stdio(0);
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
typedef unsigned int uint;
typedef complex<int> point;
const int nmax = 100005;
const ll linf = 1e18;
const ll mod = 998244353;
const int inf = INT_MAX;
vec < pii > eds;
int cnt[nmax];
int find_center(vec <int> &asd){
if(asd.size() <= 10)return asd[0];
int tries = asd.size()/10;
srand(time(0));
while(tries --){
int m = asd.size();
int a, b, c;
a = asd[rand()%m];
b = asd[rand()%m];
while(b == a) b = asd[rand()%m];
c = asd[rand()%m];
while(c == b || c == a)c = asd[rand()%m];
// a,b,c - random din asd
int p = Query(a,b,c);
cnt[p]++;
}
int mx = asd[0];
for(int i :asd){
if(cnt[mx] < cnt[i])mx = i;
cnt[i]=0;
}
return asd[mx];
}
void solves(vec <int> &tb){
if(tb.size() == 1)return ;
int A = find_center(tb);
int B = tb[0];
if(B == A)B = tb[1];
for(int i : tb){
if(i != A && i != B && Query(A,B,i) == i) B = i;
}
eds.pb({A,B});
vec < int > left;
vec < int > right;
for(int i : tb){
if(i != A && i != B){
if(Query(A,B,i) == A){
left.pb(i);
}else{
right.pb(i);
}
}
}
left.pb(A);
sort(all(left));
solves(left);
left.clear();
right.pb(B);
sort(all(right));
solves(right);
right.clear();
}
void Solve(int n){
vec < int > asd;
for(int i= 0; i <n ; i++)asd.pb(i);
solves(asd);
for(pii ed : eds){
Bridge(min(ed.fr,ed.sc),max(ed.fr,ed.sc));
}
asd.clear();
}
| # |
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 |
5 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 |
4 ms |
384 KB |
Output is correct |
| 9 |
Correct |
6 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
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 |
5 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 |
4 ms |
384 KB |
Output is correct |
| 9 |
Correct |
6 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Incorrect |
7 ms |
384 KB |
Wrong Answer [5] |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
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 |
5 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 |
4 ms |
384 KB |
Output is correct |
| 9 |
Correct |
6 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Incorrect |
7 ms |
384 KB |
Wrong Answer [5] |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1274 ms |
1432 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
