Submission #425406

#	Time	Username	Problem	Language	Result	Execution time	Memory
425406		ngrace	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	68 ms	6156 KiB

molecules

#include "molecules.h"
#include <vector>
#include <algorithm>
#include <utility>
using namespace std;
#define v vector
#define pii pair<int,int>

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int N=w.size();
    v<pii> mol;
    for(int i=0;i<N;i++) mol.push_back({w[i],i});
    sort(mol.begin(),mol.end());

    v<int> out;
    long long tot=mol[0].first;
    int lb=0;
    int ub=1;

    while(lb!=N){
        if(tot<l){
            if(ub!=N) {
                ub++;
                tot+=mol[ub-1].first;
            }
            else break;
        }
        else if(tot>u){
            lb++;
            tot-=mol[lb-1].first;
        }
        else{
            for(int i=lb;i<ub;i++){
                out.push_back(mol[i].second);
            }
            break;
        }
    }

    return out;
}

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