Submission #1235757

#	Time	Username	Problem	Language	Result	Execution time	Memory
1235757		badge881	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	4424 KiB

molecules

#include <bits/stdc++.h>
using namespace std;

vector<int> find_subset(int l, int u, vector<int> w)
{
    vector<int> ord(w.size());
    iota(ord.begin(), ord.end(), 0);
    sort(ord.begin(), ord.end(), [&](int i, int j)
         { return w[i] < w[j]; });
    vector<long long> ps(w.size() + 1, 0);
    for (int i = 1; i <= w.size(); i++)
        ps[i] = ps[i - 1] + w[ord[i - 1]];
    int j = 1;
    for (int i = 1; i <= w.size(); i++)
    {
        while (ps[i] - ps[j - 1] > u)
            j++;
        if (ps[i] - ps[j - 1] >= l)
        {
            vector<int> ans;
            for (int k = j; k <= i; k++)
                ans.push_back(ord[k - 1]);
            return ans;
        }
    }
    return {};
}

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