Submission #525897

#	Time	Username	Problem	Language	Result	Execution time	Memory
525897		buidangnguyen05	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	39 ms	4904 KiB

molecules

/* input

*/

#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
const int N = 2e5 + 10;

vector<int> find_subset(int l, int r, vector<int> w) {
	int n = w.size();
	pair<int, int> a[n + 1];
	for (int i = 0; i < n; ++i) a[i] = make_pair(w[i], i);
	sort (a, a + n);
	ll cur = 0; deque<int> ans;
	int R = n - 1;
	for (; ~R; --R) {
		cur += a[R].first; ans.push_back(a[R].second);
		if (cur >= l && cur <= r) {
			vector<int> ret;
			for (int i : ans) ret.push_back(i);
			return ret;
		}
		if (cur >= r) break;
	}

	int L = 0;
	while (L < ans.back() && cur > r) {
		cur -= w[ans.back()]; ans.pop_back();
		cur += a[L].first; ans.push_front(a[L++].second);
	}

	if (cur > r || cur < l) return vector<int>(0);
	vector<int> ret;
	for (int i : ans) ret.push_back(i);
	return ret;
}

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