oj.uz

Submission #149046

# Submission time Handle Problem Language Result Execution time Memory
149046 2019-09-01T05:38:27 Z 1 WA = 5 Push Up(#3624, BaaaaaaaaaaaaaaaarkingDog, IohcEjnim, 0xrgb) Crosses on the Grid (FXCUP4_cross) C++17
100 / 100
 119 ms 6888 KB 
#include "cross.h"
#include <set>
#include <utility>
#include <algorithm>
#include <queue>
#define X first
#define Y second
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(N);
  for(int i = 0; i < N; i++){
    V[i] = {I[i], O[i]};
  }
  sort(V.begin(),V.end());
  long long mx = -1;
  priority_queue<int, vector<int>, less<int> > PQ1; // 큰 것 부터 튀어나옴
  priority_queue<int, vector<int>, greater<int> > PQ2; // 작은 것 부터 나감
  
  for(int i = N-1; i >= 0; i--){
    if(PQ2.size() < K) PQ2.push(V[i].Y);
    else{
      PQ1.push(V[i].Y);
      while(PQ1.top() > PQ2.top()){
        int v1 = PQ1.top();
        int v2 = PQ2.top();
        PQ1.pop();
        PQ2.pop();
        PQ1.push(v2);
        PQ2.push(v1);
      }
    }
    if(PQ2.size() < K) continue;
    mx = max(mx, 2ll*PQ2.top()*V[i].X - 1ll*V[i].X*V[i].X);
  }
  return mx;
}

Compilation message

cross.cpp: In function 'long long int SelectCross(int, std::vector<int>, std::vector<int>)':
cross.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(PQ2.size() < K) PQ2.push(V[i].Y);
        ~~~~~~~~~~~^~~
cross.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(PQ2.size() < K) continue;
        ~~~~~~~~~~~^~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 11 ms 816 KB Output is correct
6 Correct 108 ms 6632 KB Output is correct
7 Correct 113 ms 6628 KB Output is correct
8 Correct 113 ms 6408 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 11 ms 816 KB Output is correct
6 Correct 108 ms 6632 KB Output is correct
7 Correct 113 ms 6628 KB Output is correct
8 Correct 113 ms 6408 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 12 ms 768 KB Output is correct
13 Correct 59 ms 3572 KB Output is correct
14 Correct 108 ms 6628 KB Output is correct
15 Correct 108 ms 6504 KB Output is correct
16 Correct 110 ms 6632 KB Output is correct

Subtask #3
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 11 ms 816 KB Output is correct
6 Correct 108 ms 6632 KB Output is correct
7 Correct 113 ms 6628 KB Output is correct
8 Correct 113 ms 6408 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 12 ms 768 KB Output is correct
13 Correct 59 ms 3572 KB Output is correct
14 Correct 108 ms 6628 KB Output is correct
15 Correct 108 ms 6504 KB Output is correct
16 Correct 110 ms 6632 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 15 ms 768 KB Output is correct
20 Correct 63 ms 3568 KB Output is correct
21 Correct 92 ms 5608 KB Output is correct
22 Correct 111 ms 6632 KB Output is correct
23 Correct 108 ms 6636 KB Output is correct
24 Correct 117 ms 6888 KB Output is correct
25 Correct 119 ms 6632 KB Output is correct
26 Correct 108 ms 6668 KB Output is correct