Submission #1354598

#	Time	Username	Problem	Language	Result	Execution time	Memory
1354598		lizi14	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	27 ms	3752 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>>x(n);
    
    for(int i=0; i<n; i++){
        x[i].first=w[i];
        x[i].second=i;
    }
    sort(x.begin(),x.end());
   
    vector<int>ans;
    long long sum=0;
    int j=0;
    for(int i=0; i<n; i++){
        sum+=x[i].first;
        if(sum<=u && sum>=l){
            for(int h=j; h<=i; h++){
                ans.push_back(x[h].second);
            }
            return ans;
        }
        if(sum>u){
            while(j<n && sum>u){
                sum-=x[j].first;
                j++;
            }
            if(sum>=l && sum<=u){
                for(int h=j; h<=i; h++){
                    ans.push_back(x[h].second);
                }
                return ans;
            }
        }
    }
    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