Submission #1226754

#	Time	Username	Problem	Language	Result	Execution time	Memory
1226754		Jer	Detecting Molecules (IOI16_molecules)	C++20	69 / 100	47 ms	3768 KiB

molecules

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

using namespace std;

const int MAXN = 10005;
int pre[MAXN];
int n;

std::vector<int> find_subset(int l, int u, std::vector<int> w)
{
    n = w.size();
    vector<pair<int, int>> a;

    for (int i = 0; i < n; i++)
        a.push_back({w[i], i});

    sort(a.begin(), a.end());
    for (int i = 0; i < n; i++)
        pre[i] = (i == 0) ? a[0].first : a[i].first + pre[i - 1];

    for (int k = 1; k <= n; k++)
    {
        for (int i = 0; i <= n - k; i++)
        {
            int sum = (i == 0) ? pre[i + k - 1] : pre[i + k - 1] - pre[i - 1];
            if (sum >= l and sum <= u)
            {
                vector<int> res;
                for (int j = i; j < i + k; j++)
                    res.push_back(a[j].second);
                return res;
            }
        }
    }

    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: 0 / 31