Submission #491989

#	Time	Username	Problem	Language	Result	Execution time	Memory
491989		aci	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	51 ms	3656 KiB

molecules

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

using namespace std;
typedef pair<int, int> pi;

std::vector<int> find_subset(int l, int u, std::vector<int> w) 
{
    vector<int> sol;
    int n = w.size();
    vector<pi> v(n);
    for (int i=0; i<n; i++) v[i] = {w[i], i};

    sort(v.begin(), v.end());
    int j = 0;
    long long sum = 0;
    for (int i=0; i<n; i++)
    {
        while(j < n && sum<l)
        {
            sum += v[j].first;
            j++;
        }
        if(sum>=l && sum<=u) 
        {
            for (int k=i; k<j; k++) sol.push_back(v[k].second);
            //cout << "i: "<<i<<" j: "<<j<<endl;
            return sol;
        }
        else sum -= v[i].first;
    }

    return sol;
    

}

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