Submission #554355

#	Time	Username	Problem	Language	Result	Execution time	Memory
554355		n0sk1ll	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	49 ms	6212 KiB

molecules

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

using namespace std;
long long int typedef li;

vector<int> find_subset(int l, int u, vector<int> w)
{
    int n=w.size();

    vector<int> ans;
    li tsum=0;

    vector<pair<int,int>> pom;
    for (int i=0;i<n;i++) pom.push_back({w[i],i});
    sort(pom.begin(),pom.end());

    int p=0,q=-1;
    while (true)
    {
        if (q==n-1) break;
        tsum+=pom[++q].first;
        while (tsum>u) tsum-=pom[p++].first;
        if (l<=tsum && tsum<=u)
        {
            for (int i=p;i<=q;i++) ans.push_back(pom[i].second);
            break;
        }
    }

    sort(ans.begin(),ans.end());
    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