Submission #587917

#	Time	Username	Problem	Language	Result	Execution time	Memory
587917		shrimb	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	0 ms	212 KiB

molecules

#include "bits/stdc++.h"
#include "molecules.h"

using namespace std;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	int n = w.size();
	pair<int,int> v[n];
	for (int i = 0 ; i < n ; i++) {
		v[i] = {w[i], i};
	}
	sort(v, v + n);

	set<pair<int,int>> s = {{0,0}};

	int sm = 0;

	vector<int> ret;

	for (int i = 0 ; i < n ; i++) {
		sm += v[i].first;
		s.insert({sm, i + 1});
		auto it = s.lower_bound({sm - u, -INT_MAX});
		if (it != s.end()) {
			if (sm - it -> first >= l and sm - it -> first <= u) {
				for (int j = it -> second ; j <= i ; j++) {
					ret.push_back(v[j].second);
					return ret;
				}
			}
		}
	}
	return {};
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31