Submission #641649

#	Time	Username	Problem	Language	Result	Execution time	Memory
641649		device	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	57 ms	5536 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size(), ptr = 0;
	vector<pair<int,int>> v(n);
	for (int i = 0; i < n; i++) v[i].first = w[i], v[i].second = i;
	sort(v.begin(), v.end());
	long long cur = 0;
	for (int i = 0; i < n; i++) {
		cur += v[i].first;
		while (cur > u && ptr <= i) {
			cur -= v[ptr].first;
			ptr++;
		}
		if (cur >= l && cur <= u) {
			vector<int> ret;
			for (int j = ptr; j <= i; j++) ret.push_back(v[j].second);
			return ret;
		}
	}
    return vector<int>(0);
}

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