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Submission #149419

# Submission time Handle Problem Language Result Execution time Memory
149419 2019-09-01T06:26:53 Z etyu(#3586, kimjihoon) Crosses on the Grid (FXCUP4_cross) C++17
100 / 100
 235 ms 14436 KB 
#include "cross.h"
#include <algorithm>
#include <utility>
#include <set>

std::vector<std::pair<int, int> > p;
std::multiset<int> st;

long long SelectCross(int K, std::vector<int> I, std::vector<int> O) {
	int N = I.size();
	for (int i = 0; i < N; i++)
		p.push_back(std::make_pair(O[i], I[i]));
	std::sort(p.begin(), p.end()); std::reverse(p.begin(), p.end());
	for (int i = 0; i < K - 1; i++) 
		st.insert(p[i].second);
	st.insert(2000000000);
	auto si = st.begin();
	long long ans = 0;
	for (int i = K - 1; i < N; i++) {
		int t = p[i].first - std::min((*si), p[i].second);
		ans = std::max(ans, 1LL * p[i].first * p[i].first - 1LL * t * t);
		if (p[i].second >(*si)) {
			st.insert(p[i].second); ++si;
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 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 12 ms 768 KB Output is correct
6 Correct 118 ms 5736 KB Output is correct
7 Correct 118 ms 5740 KB Output is correct
8 Correct 137 ms 5608 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 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 12 ms 768 KB Output is correct
6 Correct 118 ms 5736 KB Output is correct
7 Correct 118 ms 5740 KB Output is correct
8 Correct 137 ms 5608 KB Output is correct
9 Correct 6 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 640 KB Output is correct
13 Correct 64 ms 3184 KB Output is correct
14 Correct 119 ms 5732 KB Output is correct
15 Correct 120 ms 5736 KB Output is correct
16 Correct 117 ms 5736 KB Output is correct

Subtask #3
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 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 12 ms 768 KB Output is correct
6 Correct 118 ms 5736 KB Output is correct
7 Correct 118 ms 5740 KB Output is correct
8 Correct 137 ms 5608 KB Output is correct
9 Correct 6 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 640 KB Output is correct
13 Correct 64 ms 3184 KB Output is correct
14 Correct 119 ms 5732 KB Output is correct
15 Correct 120 ms 5736 KB Output is correct
16 Correct 117 ms 5736 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 15 ms 1152 KB Output is correct
20 Correct 68 ms 3944 KB Output is correct
21 Correct 95 ms 5096 KB Output is correct
22 Correct 115 ms 5740 KB Output is correct
23 Correct 118 ms 5740 KB Output is correct
24 Correct 139 ms 8168 KB Output is correct
25 Correct 219 ms 13148 KB Output is correct
26 Correct 235 ms 14436 KB Output is correct