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Submission #149258

# Submission time Handle Problem Language Result Execution time Memory
149258 2019-09-01T06:04:47 Z 샌즈뼈(#3582, exqt, esselem) Crosses on the Grid (FXCUP4_cross) C++17
0 / 100
 6 ms 384 KB 
#include "cross.h"
#include <bits/stdc++.h>
using namespace std;

long long SelectCross(int K, std::vector<int> I, std::vector<int> O) {
	int N = I.size();

  vector<pair<int, int>> v;
  for(int i=0; i<N; i++) v.emplace_back(I[i], O[i]);

  sort(v.rbegin(), v.rend());

  //for(int i=0;i <N; i++) cout << v[i].first << ' '; cout << endl;
  //for(int i=0;i <N; i++) cout << v[i].second << ' '; cout << endl;


  priority_queue<int, vector<int>, greater<int>> s;
  for(int i=0; i<K-1; i++) {
    s.push(v[i].second);
  }

  long long res = 0;
  for(int i=K-1; i<N; i++) {
    int ii = v[i].first;
    int oo = s.size() ? min(s.top(), v[i].second) : v[i].second;

    // cout << oo << ' ' << ii << endl;

    res = max(res, 1LL*oo*oo - 1LL*(oo-ii)*(oo-ii));

    if((int)s.size() > K-1) s.pop();
    s.push(v[i].second);
  }

	return res;
}

Subtask #1
0 / 8.0

# 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 5 ms 384 KB Output is correct
4 Incorrect 6 ms 256 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# 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 5 ms 384 KB Output is correct
4 Incorrect 6 ms 256 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 37.0

# 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 5 ms 384 KB Output is correct
4 Incorrect 6 ms 256 KB Output isn't correct
5 Halted 0 ms 0 KB -