Submission #523587

#	Time	Username	Problem	Language	Result	Execution time	Memory
523587		obiu10	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	52 ms	5528 KiB

molecules

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

using namespace std;

vector<int> find_subset(int l, int u, std::vector<int> w){
    int n=w.size();
    vector<pair<int,int>> nums(n);
    for(int i=0; i<n; i++){
        nums[i]={w[i],i};
    }
    sort(nums.begin(), nums.end());
    int la=0,ra=0;
    long long sum=0;
    while(la!=n){
        while(sum<l && ra!=n){
            sum+=nums[ra].first;
            ra++;
        }
        if(sum<=u && sum>=l){
            vector<int> res;
            for(int i=la; i<ra; i++) res.push_back(nums[i].second);
            return res;
        }
        sum-=nums[la].first;
        la++;
    }   
    return vector<int>(0);
}

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