Submission #1356588

#	Time	Username	Problem	Language	Result	Execution time	Memory
1356588		dreamofsecretuniverse	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	29 ms	4148 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long int
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<int> res;
    vector<pair<int, int>> a;
    int n = w.size();
    for(int i = 0; i < n; ++i) a.emplace_back(w[i], i);
    int i = 0, j = 0;
    sort(a.begin(), a.end());
    ll cur = 0;
    while(j<n){
        cur += 1LL*a[j].first;
        while(cur>u){
            cur -= 1LL*a[i].first;
            ++i;
        }
        if(cur>=l){
            for(int k = i; k <= j; ++k){
                res.push_back(a[k].second);
            }
            break;
        }
        ++j;
    }
    return res;
}

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