Submission #1226781

#	Time	Username	Problem	Language	Result	Execution time	Memory
1226781		Jer	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	1 ms	328 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 i = 0; i < n; i++)
    {
        int *s = lower_bound(pre, pre + n, l + pre[i]);
        int sum = pre[i] + *s;
        if (sum >= l and sum <= u)
        {
            vector<int> res;
            for (int j = (s - pre) - i - 1; j < (s - pre); 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: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31