Submission #305690

#	Time	Username	Problem	Language	Result	Execution time	Memory
305690		amunduzbaev	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	81 ms	8300 KiB

molecules

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


using namespace std;
#define ll long long


vector<int> find_subset(int l, int u, vector<int> a)
{

    vector<pair<ll,int > >ans;
    vector<int>ans1;
    int n=a.size();

    ll sum=0;
    for(int i=0;i<n;i++){
            sum+=a[i];
        ans.push_back({(ll)a[i],i});

    }
    if(sum<(ll)l)
        return ans1;
    sort(ans.begin(),ans.end());
    int s=0;
    sum=0;
    for(int i=0;i<n;i++){
        ll f=ans[i].first;
        sum+=f;
        while(sum>(ll)u){
            sum-=ans[s].first;
            s++;
        }
        if(sum>=(ll)l&&sum<=(ll)u){
            for(int j=s;j<=i;j++){
                ans1.push_back(ans[j].second);
            }
            return ans1;
        }

    }


    return ans1;

}

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