Submission #1331640

#	Time	Username	Problem	Language	Result	Execution time	Memory
1331640		12345678	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	37 ms	6168 KiB

molecules

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

using namespace std;

#define ll long long

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int n=w.size();
    vector<pair<ll, ll>> srt;
    for (int i=0; i<n; i++) srt.push_back({w[i], i});
    sort(srt.begin(), srt.end());
    ll sm=0, lst=0;
    for (int i=0; i<n; i++)
    {
        sm+=srt[i].first;
        while (sm>u) sm-=srt[lst].first, lst++;
        if (sm>=l)
        {
            vector<int> res;
            for (int j=lst; j<=i; j++) res.push_back(srt[j].second);
            return res;
        }
    }
    return vector<int> ();
}

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