Submission #170133

#	Time	Username	Problem	Language	Result	Execution time	Memory
170133		buttercrab	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	66 ms	8296 KiB

molecules

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

using namespace std;
using ll = long long;

vector<int> find_subset(int l, int u, vector<int> w) {
    ll n = w.size();
    vector<pair<ll, ll>> v;
    for (ll i = 0; i < n; i++) {
        v.emplace_back(w[i], i);
    }

    sort(v.begin(), v.end());

    ll s = 0, h = 0, t = 0;
    while (h < n) {
        while (t < n && s < l) {
            s += v[t].first;
            t++;
        }
        if (l <= s && s <= u) {
            vector<int> ans;
            for (ll i = h; i < t; i++) ans.emplace_back(v[i].second);
            return ans;
        }
        s -= v[h++].first;
    }
    return vector<int>();
}

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