Submission #71821

#	Time	Username	Problem	Language	Result	Execution time	Memory
71821		XmtosX	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	75 ms	28376 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> w)
{
    vector <int> ans;
    pair <long long,long long> p[200005];
    long long n=w.size();
    for (long long i=0;i<n;i++)
    {
        p[i]={w[i],i};
    }
    sort(p,p+n);
    long long cur=0;
    for (long long i=0,j=0;j<n;j++)
    {
        cur+= (p[j].first);
        while (cur>u)
        {
            cur-=p[i].first;
            i++;
        }
        if (cur>=l)
        {
            for (long long q=i;q<=j;q++)
            {
                ans.push_back(p[q].second);
            }
            return ans;
        }
    }
    return ans;
}

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