Submission #227600

#	Time	Username	Problem	Language	Result	Execution time	Memory
227600		AASG	Detecting Molecules (IOI16_molecules)	C++11	9 / 100	6 ms	512 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<long long,int> >r;
    vector<int> rr;
    for(int i=0;i<n;i++){
        r.push_back(make_pair(w[i],i));
    }
    sort(r.begin(),r.end());
    long long rt=0;
    int p1=0,p2=n-1;bool x=false;
    while(rt<=u && p2>=p1){
        if(rt+r[p2].first<=u){
                rr.push_back(r[p2].second);
                rt=rt+r[p2].first;
                p2--;
        }
        else {
            rr.push_back(r[p1].second);
            rt=rt+r[p1].first;
            p1++;
        }
        if(rt>=l && rt<=u){x=true;
        break;
        }
    }
    sort(rr.begin(),rr.end());
    if(!x)rr.clear();
    return rr;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31