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Submission #148006

# Submission time Handle Problem Language Result Execution time Memory
148006 2019-08-31T11:00:41 Z imsifile Crosses on the Grid (FXCUP4_cross) C++17
100 / 100
 122 ms 12744 KB 
#include "cross.h"
#include <algorithm>
#include <queue>
using namespace std;
 
typedef long long lld;
 
struct cross {
	lld in, ou;
	bool operator< (const cross& c) const {
		return ou > c.ou;
	}
} ba[202020];
 
priority_queue<lld> pq;
 
lld SelectCross(int K, vector<int> I, vector<int> O) {
	int N=I.size();
	for(int i=0; i<N; i++) ba[i].in=I[i], ba[i].ou=O[i];
	sort(ba, ba+N);
	lld mx=0;
	for(int i=0; i<N; i++){
		pq.push(-ba[i].in);
		if(i>=K) pq.pop();
		if(i>=K-1){
			lld ii=-pq.top(), oo=ba[i].ou;
			if(mx < 2*ii*oo-ii*ii) mx = 2*ii*oo-ii*ii;
		}
	}
	return mx;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 15 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 8 ms 1016 KB Output is correct
6 Correct 101 ms 10644 KB Output is correct
7 Correct 101 ms 10584 KB Output is correct
8 Correct 100 ms 10592 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 15 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 8 ms 1016 KB Output is correct
6 Correct 101 ms 10644 KB Output is correct
7 Correct 101 ms 10584 KB Output is correct
8 Correct 100 ms 10592 KB Output is correct
9 Correct 2 ms 252 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 8 ms 1016 KB Output is correct
13 Correct 53 ms 5624 KB Output is correct
14 Correct 106 ms 10576 KB Output is correct
15 Correct 106 ms 10596 KB Output is correct
16 Correct 103 ms 10600 KB Output is correct

Subtask #3
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 15 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 8 ms 1016 KB Output is correct
6 Correct 101 ms 10644 KB Output is correct
7 Correct 101 ms 10584 KB Output is correct
8 Correct 100 ms 10592 KB Output is correct
9 Correct 2 ms 252 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 8 ms 1016 KB Output is correct
13 Correct 53 ms 5624 KB Output is correct
14 Correct 106 ms 10576 KB Output is correct
15 Correct 106 ms 10596 KB Output is correct
16 Correct 103 ms 10600 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 9 ms 1272 KB Output is correct
20 Correct 57 ms 5740 KB Output is correct
21 Correct 85 ms 8552 KB Output is correct
22 Correct 109 ms 10728 KB Output is correct
23 Correct 114 ms 10600 KB Output is correct
24 Correct 111 ms 10984 KB Output is correct
25 Correct 122 ms 12672 KB Output is correct
26 Correct 105 ms 12744 KB Output is correct