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Submission #1050029

# Submission time Handle Problem Language Result Execution time Memory
1050029 2024-08-09T06:56:40 Z ksun69(#11101) Hamburg Steak (JOI20_hamburg) C++17
15 / 100
 484 ms 89076 KB 
#include <bits/stdc++.h>
using namespace std;

namespace std {

template<class Fun>
class y_combinator_result {
	Fun fun_;
public:
	template<class T>
	explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}

	template<class ...Args>
	decltype(auto) operator()(Args &&...args) {
		return fun_(std::ref(*this), std::forward<Args>(args)...);
	}
};

template<class Fun>
decltype(auto) y_combinator(Fun &&fun) {
	return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}

} // namespace std

int main(){
	ios_base::sync_with_stdio(false), cin.tie(nullptr);
	int N, K;
	cin >> N >> K;
	vector<vector<int> > S(N, vector<int>(4));
	for(int i = 0; i < N; i++){
		for(int j = 0; j < 4; j++){
			cin >> S[i][j];
		}
	}
	// L D R U
	vector<pair<int,int> > bad = {{-1, -1}};
	auto sol = y_combinator([&](auto self, vector<vector<int>> s, int k) -> vector<pair<int,int> > {
		if(s.size() == 0) return vector<pair<int,int> >(k, {0, 0});
		if(k == 0) return bad;
		vector<int> bounds {int(-1e9), int(-1e9), int(1e9), int(1e9)};
		for(int i = 0; i < (int)s.size(); i++){
			bounds[0] = max(bounds[0], s[i][0]);
			bounds[1] = max(bounds[1], s[i][1]);
			bounds[2] = min(bounds[2], s[i][2]);
			bounds[3] = min(bounds[3], s[i][3]);
		}
		for(int x : {bounds[0], bounds[2]}){
			for(int y : {bounds[1], bounds[3]}){
				vector<vector<int> > nxt;
				for(int i = 0; i < (int)s.size(); i++){
					if(!(s[i][0] <= x && s[i][2] >= x && s[i][1] <= y && s[i][3] >= y)) nxt.push_back(s[i]);
				}
				auto res = self(nxt, k-1);
				if(res != bad) {
					res.push_back({x, y});
					return res;
				}
			}
		}
		return bad;
	})(S, K);
	if(sol != bad){
		for(int i = 0; i < K; i++){
			cout << sol[i].first << ' ' << sol[i].second << '\n';
		}
	} else {
		assert(false);
	}
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 1 ms 1056 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 5 ms 1116 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 4 ms 1116 KB Output is correct
11 Correct 2 ms 892 KB Output is correct
12 Correct 2 ms 860 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 14 ms 1500 KB Output is correct
9 Correct 3 ms 1116 KB Output is correct
10 Correct 8 ms 1116 KB Output is correct
11 Correct 15 ms 1624 KB Output is correct
12 Correct 4 ms 1156 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Runtime error 12 ms 2400 KB Execution killed with signal 6
15 Halted 0 ms 0 KB -

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 60 ms 22356 KB Output is correct
6 Correct 67 ms 22356 KB Output is correct
7 Correct 58 ms 22164 KB Output is correct
8 Correct 83 ms 22156 KB Output is correct

Subtask #6
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 1 ms 1056 KB Output is correct
5 Correct 78 ms 41144 KB Output is correct
6 Correct 91 ms 54528 KB Output is correct
7 Correct 67 ms 39684 KB Output is correct
8 Correct 150 ms 62500 KB Output is correct

Subtask #7
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 5 ms 1116 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 4 ms 1116 KB Output is correct
11 Correct 2 ms 892 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 75 ms 46600 KB Output is correct
14 Correct 89 ms 46340 KB Output is correct
15 Correct 79 ms 48932 KB Output is correct
16 Correct 77 ms 41132 KB Output is correct
17 Correct 82 ms 44288 KB Output is correct
18 Correct 68 ms 37896 KB Output is correct
19 Correct 74 ms 46264 KB Output is correct
20 Correct 484 ms 87856 KB Output is correct
21 Correct 89 ms 55584 KB Output is correct
22 Correct 187 ms 89076 KB Output is correct
23 Correct 322 ms 86448 KB Output is correct
24 Correct 213 ms 80512 KB Output is correct

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 14 ms 1500 KB Output is correct
9 Correct 3 ms 1116 KB Output is correct
10 Correct 8 ms 1116 KB Output is correct
11 Correct 15 ms 1624 KB Output is correct
12 Correct 4 ms 1156 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Runtime error 12 ms 2400 KB Execution killed with signal 6
15 Halted 0 ms 0 KB -