#include "cross.h"
#include<vector>
#include<set>
#include<algorithm>
using namespace std;
multiset<long long> S; // keep as size K
vector<pair<int,int>> cross;
long long SelectCross(int K, std::vector<int> I, std::vector<int> O) {
int N = I.size();
for(int i=0;i<N;++i){
cross.push_back({I[i],O[i]});
}
sort(cross.begin(),cross.end(),[](auto x,auto y){return x.first>y.first;});
long long mx=0;
for(int i=0;i<N;++i){
long long mi = cross[i].first;
// put the O in the set
S.insert(cross[i].second);
// keep the size(evict the smallest o)
if((int)S.size()>K) S.erase(S.begin());
if((int)S.size()<K) continue;
// get the smallest element
long long statQuo = (int)(*S.begin());
// update maxma
if(mx < 2 * statQuo * mi - mi * mi){
mx = 2 * statQuo * mi - mi * mi;
}
}
return mx;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
384 KB |
Output is correct |
2 |
Correct |
6 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
6 ms |
384 KB |
Output is correct |
5 |
Correct |
13 ms |
768 KB |
Output is correct |
6 |
Correct |
116 ms |
5608 KB |
Output is correct |
7 |
Correct |
122 ms |
5736 KB |
Output is correct |
8 |
Correct |
129 ms |
5736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
384 KB |
Output is correct |
2 |
Correct |
6 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
6 ms |
384 KB |
Output is correct |
5 |
Correct |
13 ms |
768 KB |
Output is correct |
6 |
Correct |
116 ms |
5608 KB |
Output is correct |
7 |
Correct |
122 ms |
5736 KB |
Output is correct |
8 |
Correct |
129 ms |
5736 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
6 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
256 KB |
Output is correct |
12 |
Correct |
15 ms |
768 KB |
Output is correct |
13 |
Correct |
62 ms |
3056 KB |
Output is correct |
14 |
Correct |
116 ms |
5740 KB |
Output is correct |
15 |
Correct |
127 ms |
5740 KB |
Output is correct |
16 |
Correct |
128 ms |
5872 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
384 KB |
Output is correct |
2 |
Correct |
6 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
6 ms |
384 KB |
Output is correct |
5 |
Correct |
13 ms |
768 KB |
Output is correct |
6 |
Correct |
116 ms |
5608 KB |
Output is correct |
7 |
Correct |
122 ms |
5736 KB |
Output is correct |
8 |
Correct |
129 ms |
5736 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
6 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
256 KB |
Output is correct |
12 |
Correct |
15 ms |
768 KB |
Output is correct |
13 |
Correct |
62 ms |
3056 KB |
Output is correct |
14 |
Correct |
116 ms |
5740 KB |
Output is correct |
15 |
Correct |
127 ms |
5740 KB |
Output is correct |
16 |
Correct |
128 ms |
5872 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
6 ms |
384 KB |
Output is correct |
19 |
Correct |
16 ms |
1280 KB |
Output is correct |
20 |
Correct |
69 ms |
3180 KB |
Output is correct |
21 |
Correct |
97 ms |
4996 KB |
Output is correct |
22 |
Correct |
121 ms |
5612 KB |
Output is correct |
23 |
Correct |
127 ms |
5736 KB |
Output is correct |
24 |
Correct |
144 ms |
6544 KB |
Output is correct |
25 |
Correct |
220 ms |
11108 KB |
Output is correct |
26 |
Correct |
240 ms |
14428 KB |
Output is correct |