Submission #502125

#	Time	Username	Problem	Language	Result	Execution time	Memory
502125		MurotY	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	48 ms	5188 KiB

molecules

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#include "molecules.h"
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {

    vector <pair <ll,ll> > a(w.size());
    int n=w.size();
    for (int i=0;i<n;i++) a[i].first=w[i], a[i].second=i;

    sort(a.begin(),a.end());
    long long sum=0, q=0;
    for (int i=0;i<n;i++){
        while (q < n && sum < l) sum+=a[q].first, q++;

        if (sum >= l && sum <= u and u-l >= a[n-1].first-a[0].first){
            vector <int> ans;
            for (int j=i;j<q;j++) ans.push_back(a[j].second);
            sort(ans.begin(), ans.end());
            return ans;
        }
        sum-=a[i].first;
    }
    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