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Submission #113616

# Submission time Handle Problem Language Result Execution time Memory
113616 2019-05-27T06:23:40 Z imsifile Crosses on the Grid (FXCUP4_cross) C++17
63 / 100
 1000 ms 6760 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];

lld ent[202020], cnt;

lld SelectCross(int N, int K, vector<int> I, vector<int> O) {
	for(int i=0; i<N; i++) ba[i].in=I[i], ba[i].ou=O[i];
	sort(ba, ba+N);
	lld mx=0; cnt=0;
	for(int i=0; i<N; i++){
		ent[cnt++]=-ba[i].in; sort(ent, ent+cnt);
		if(i>=K) cnt--;
		if(i>=K-1){
			lld ii=-ent[cnt-1], 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 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 7 ms 716 KB Output is correct
6 Correct 85 ms 6760 KB Output is correct
7 Correct 86 ms 6632 KB Output is correct
8 Correct 84 ms 6760 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 7 ms 716 KB Output is correct
6 Correct 85 ms 6760 KB Output is correct
7 Correct 86 ms 6632 KB Output is correct
8 Correct 84 ms 6760 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 7 ms 768 KB Output is correct
13 Correct 52 ms 3636 KB Output is correct
14 Correct 85 ms 6760 KB Output is correct
15 Correct 94 ms 6760 KB Output is correct
16 Correct 95 ms 6636 KB Output is correct

Subtask #3
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 7 ms 716 KB Output is correct
6 Correct 85 ms 6760 KB Output is correct
7 Correct 86 ms 6632 KB Output is correct
8 Correct 84 ms 6760 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 7 ms 768 KB Output is correct
13 Correct 52 ms 3636 KB Output is correct
14 Correct 85 ms 6760 KB Output is correct
15 Correct 94 ms 6760 KB Output is correct
16 Correct 95 ms 6636 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 12 ms 384 KB Output is correct
19 Execution timed out 1072 ms 1080 KB Time limit exceeded
20 Halted 0 ms 0 KB -