Submission #646308

#	Time	Username	Problem	Language	Result	Execution time	Memory
646308		JJAnawat	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	50 ms	6180 KiB

molecules

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

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    int n=w.size();
    vector<pair<int,int>> v;
    for(int i=0;i<n;i++){
        v.push_back({w[i],i});
    }
    sort(v.begin(),v.end());
    long long sum=0;
    int lo=0,hi=0;
    vector<int> ans;
    while(sum<l||sum>u){
        if(sum<l){
            if(hi==n)
                return vector<int>(0);
            sum+=v[hi].first;
            hi++;
        }
        else{
            if(lo>hi)
                return vector<int>(0);
            sum-=v[lo].first;
            lo++;
        }
    }
    for(int i=lo;i<hi;i++){
        ans.push_back(v[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