Submission #812950

#	Time	Username	Problem	Language	Result	Execution time	Memory
812950		ttamx	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	49 ms	4928 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
 
using namespace std;
 
vector<int> find_subset(int l,int u,vector<int> w){
    int n=w.size();
    vector<pair<int,int>> vec;
    for(int i=0;i<n;i++)vec.emplace_back(w[i],i);
    sort(vec.begin(),vec.end());
    int idx=0;
    long long sum=0;
    for(int i=0;i<n;i++){
        sum+=vec[i].first;
        while(sum>u)sum-=vec[idx++].first;
        if(l<=sum){
            vector<int> ans;
            while(idx<=i)ans.emplace_back(vec[idx++].second);
            return ans;
        }
    }
    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