Submission #925820

#	Time	Username	Problem	Language	Result	Execution time	Memory
925820		Art_ogo	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	39 ms	9040 KiB

molecules

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

#define ve vector
#define ll long long
#define fi first
#define se second

using namespace std;

vector<int> find_subset(int L, int u, vector<int> w) {
    int n = w.size();
    ve<pair<ll, ll> > v(n);
    for(int i = 0; i < n; i++)
        v[i] = {w[i], i};
    sort(v.begin(), v.end());
    ve<ll> p(n + 1, 0);
    for(int i = 1; i <= n; i++)
        p[i] = p[i - 1] + v[i - 1].fi;
    int l= 0, r = 0;
    while(l <= n && r <= n){
       ll sum = p[r] - p[l];
       if(sum >= L && sum <= u){
            ve<int> res;
            for(int i = l; i < r; i++)   
                res.push_back(v[i].se);
            return res;
        }
        else if(sum < L)
            r++;
        else l++;
    }
    return {};
}

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