Submission #611062

#	Time	Username	Problem	Language	Result	Execution time	Memory
611062		Temmie	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	212 KiB

molecules

#include <bits/stdc++.h>

inline std::vector <int> make(const std::vector <std::pair <int, int>>& a, int l, int r) {
	std::vector <int> res;
	for (int i = l; i <= r; i++) {
		res.push_back(a[i].second);
	}
	return res;
}

std::vector <int> find_subset(int l, int u, std::vector <int> w) {
	int n = w.size();
	std::vector <std::pair <int, int>> a(n);
	for (int i = 0; i < n; i++) {
		a[i] = { w[i], i };
	}
	std::sort(a.begin(), a.end());
	long long sum = 0;
	for (int i = 0; i < n; i++) {
		sum += a[i].first;
		if (sum >= l && sum <= u) {
			return make(a, 0, i);
		}
		if (sum > u) {
			for (int j = 0; j < i; j++) {
				sum -= a[j].first;
				if (sum >= l && sum <= u) {
					return make(a, j + 1, i);
				}
			}
			break;
		}
	}
	return { };
}

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