Submission #1366560

#	Time	Username	Problem	Language	Result	Execution time	Memory
1366560		yavor_ptv	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	27 ms	4124 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
//#include "grader.cpp"
using namespace std;


vector<int> find_subset(int L, int R, vector<int> w)
{
    vector <pair<int,int>> v;
    int n = w.size();
    for (int i = 0; i < n; i++)
    {
        v.push_back({w[i], i});
    }
    sort(v.begin(), v.end());

    int l = 0, r = 0;
    long long sum = v[0].first;
    while (sum < L || sum > R)
    {
        if (sum < L)
        {
            if (r == n - 1) return {};

            r++;
            sum += v[r].first;
        }
        else
        {
            sum -= v[l].first;
            l++;

            if (l == n) return {};
        }
    }
    vector<int> ans;
    for (int i = l; i <= r; i++)
    {
        ans.push_back(v[i].second);
    }
    return ans;
}

/*
4 15 17
6 8 8 7

2
2 1
*/

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