Submission #746912

#	Time	Username	Problem	Language	Result	Execution time	Memory
746912		ZeroCool	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	49 ms	6208 KiB

molecules

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

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {

    //return vector<int>(0);
    
    int n = w.size();
    vector<pair<int,int> > v;
    for(int i = 0;i<n;i++){
        v.push_back({w[i], i});
    }
    sort(v.begin(),v.end());
    int lo = 0;
    int hi = 0;
    ll sum = 0;
    while(hi < n && lo < n){
        sum += v[hi].first;

        while(sum > u && lo < n){
           sum -= v[lo].first;
           lo++; 
        }
        if(sum >= l && sum <= u){
            vector<int> r;
            for(int i = lo;i<=hi;i++){
                r.push_back(v[i].second);
            }
            return r;
        }
        hi++;
    }
    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