Submission #1129422

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129422		svorogaze	Detecting Molecules (IOI16_molecules)	C++20	9 / 100	1 ms	328 KiB

molecules

//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;

vector<int> find_subset(int l, int r, vector<int> ve) {
    vector<pair<int, int>> w;
    for (int i = 0; i < ve.size(); ++i) {
        w.push_back({ve[i], i});
    }
    sort(w.begin(), w.end());
    for (int i = 0; i < w.size(); ++i) {
        if (w[i].first >= l && w[i].first <= r) {
            return {w[i].second};
        }
    }
    long long kek = accumulate(ve.begin(), ve.end(), 0ll);
    if (kek >= l && kek <= r) {
        vector<int> rs(ve.size());
        iota(rs.begin(), rs.end(), 0ll);
        return rs;
    }
    long long sm = w[0].first;
    vector<int> ans;
    for (int i = 1; i < w.size(); ++i) {
        if (sm > r) break;
        sm += w[i].first;
        if (sm >= l && sm <= r) {
            for (int j = 0; j <= i; ++j) {
                ans.push_back(w[j].second);
            }
            return ans;
        }
        long long xx = sm - w[0].first + w.back().first;
        if (xx >= l && xx <= r) {
            for (int j = 1; j <= i; ++j) {
                ans.push_back(w[j].second);
            }
            ans.push_back(w.back().second);
            return ans;
        }
    }
    return {};
}
/*
signed main() {
    auto res = find_subset(14, 15, {5, 5, 6, 6});
    cout << res.size() << '\n';
    for (auto i : res) {
        cout << i << ' ';
    }
}*/

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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