Submission #1072312

#	Time	Username	Problem	Language	Result	Execution time	Memory
1072312		ivaziva	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	44 ms	6348 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<pair<int,int>> vec;
    vec.push_back({0,0});
    int n=w.size();
    for (int i=0;i<n;i++) vec.push_back({w[i],i});
    sort(vec.begin(),vec.end());
    int levo=1,desno=1;
    long long val=vec[1].first;
    bool resenje=false;
    while (true)
    {
        if (val>=l and val<=u) {resenje=true;break;}
        if (val<l and desno<n) {desno++;val+=vec[desno].first;}
        else if (val<l and desno==n) break;
        else if (val>u and levo<desno) {val-=vec[levo].first;levo++;}
        else if (val>u and levo==desno) break;
    }
    vector<int> ans;
    if (!resenje) return ans;
    for (int i=levo;i<=desno;i++) ans.push_back(vec[i].second);
    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