Submission #867413

#	Time	Username	Problem	Language	Result	Execution time	Memory
867413		cheat_when_I_was_young	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	49 ms	5408 KiB

molecules

#include "molecules.h"
#include "bits/stdc++.h"
using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<pair<int,int>> a;
    for (int i = 0; i < (int)w.size(); ++i)
        a.push_back({w[i], i});
    sort(a.begin(), a.end(), greater<pair<int,int>>());

    queue<int> q;
    vector<int> ans;

    long long s = 0;

    for (int i = 0; i < (int)a.size(); ++i) {
        q.push(a[i].second);
        s += a[i].first;

        if (l <= s && s <= u) break;

        while (!q.empty() && s > u) {
            s -= w[q.front()];
            q.pop();
        }
    }

    if (s < l || s > u) return vector<int>(0);

    while (!q.empty()) {
        ans.push_back(q.front());
        q.pop();
    }

    return ans;
}

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