Submission #1024232

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024232		vanea	Detecting Molecules (IOI16_molecules)	C++14	9 / 100	1 ms	348 KiB

molecules

#include <bits/stdc++.h>
//#include "molecules.h"
using namespace std;
using ll = long long;

vector<int> find_subset(int l, int u, vector<int> w) {
    set<pair<int, int>> s;
    vector<pair<ll, int>> v;
    int n = w.size();
    for(int i = 0; i < n; i++) {
        v.push_back({w[i], i});
    }
    sort(v.begin(), v.end());
    int i = 0, j = 1;
    ll curr = v[0].first;
    s.insert(v[0]);
    while(i < n && j < n) {
        if(curr >= l && curr <= u) break;
        else if(curr < l) {
            curr += v[j].first;
            s.insert(v[j]);
            ++j;
        }
        else if(curr > u) {
            curr -= s.begin()->first;
            s.erase(s.begin());
            ++i;
        }
    }
    if(curr >= l && curr <= u) {
        vector<int> res;
        for(auto it : s) res.push_back(it.second);
        return res;
    }
    return {};
}

/*
int main()
{
    vector<int> ans = find_subset(15, 17, {6, 8, 8, 7});

    for(auto it : ans) {
        cout << it << ' ';
    }
}*/

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