Submission #491312

#	Time	Username	Problem	Language	Result	Execution time	Memory
491312		tempus	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	1 ms	292 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define ll int

using namespace std;

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

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