#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<pair<int,int>,null_type,less<pair<int,int>>,rb_tree_tag,tree_order_statistics_node_update>;
int n,k;
void slv(deque<int>dq,int p){
int kk=k;
deque<int>a,b;
while(dq.size()){
if(dq.size()==1){
kk--;
break;
}
int f=dq.back();
dq.pop_back();
auto it=lower_bound(dq.begin(),dq.end(),p-f);
if(it==dq.end()||*it!=p-f){
kk--;
continue;
}else{
while(dq.front()!=*it){
dq.pop_front();
kk--;
}
a.push_back(dq.front());
b.push_front(f);
dq.pop_front();
}
}
if(kk==0){
for(auto &i:a)cout<<i<<' ';
for(auto &i:b)cout<<i<<' ';
exit(0);
}
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>k;
deque<int>dq(n+k);
for(auto &i:dq)cin>>i;
srand(543634);
map<int,int>mp;
vector<pair<int,int>>v;
for(int i=0;i<1000000;i++)mp[abs(dq[rand()%(n+k)]+dq[rand()%(n+k)])]++;
for(auto &i:mp)v.push_back({i.second,i.first});
sort(v.begin(),v.end());
for(int i=v.size()-1;i>=0;i--){
slv(dq,v[i].second);
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
706 ms |
38672 KB |
Output is correct |
2 |
Correct |
150 ms |
964 KB |
Output is correct |
3 |
Correct |
771 ms |
53096 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
257 ms |
4156 KB |
Output is correct |
2 |
Correct |
1324 ms |
82752 KB |
Output is correct |
3 |
Correct |
1225 ms |
82696 KB |
Output is correct |
4 |
Correct |
1209 ms |
82800 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3026 ms |
78904 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
165 ms |
1256 KB |
Output is correct |
2 |
Correct |
153 ms |
1580 KB |
Output is correct |
3 |
Correct |
161 ms |
1740 KB |
Output is correct |
4 |
Correct |
164 ms |
1640 KB |
Output is correct |
5 |
Correct |
174 ms |
1644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
78 ms |
308 KB |
Output is correct |
2 |
Correct |
73 ms |
212 KB |
Output is correct |
3 |
Correct |
70 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
79 ms |
340 KB |
Output is correct |
2 |
Correct |
150 ms |
2300 KB |
Output is correct |
3 |
Correct |
1048 ms |
64780 KB |
Output is correct |
4 |
Correct |
799 ms |
54284 KB |
Output is correct |
5 |
Correct |
245 ms |
2292 KB |
Output is correct |
6 |
Correct |
135 ms |
1144 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
80 ms |
320 KB |
Output is correct |
2 |
Correct |
1202 ms |
82460 KB |
Output is correct |
3 |
Correct |
1476 ms |
82512 KB |
Output is correct |
4 |
Correct |
2707 ms |
73148 KB |
Output is correct |
5 |
Correct |
1176 ms |
82428 KB |
Output is correct |
6 |
Execution timed out |
3071 ms |
22692 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
306 ms |
8248 KB |
Output is correct |
2 |
Execution timed out |
3104 ms |
80964 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |