Submission #1235874

#	Time	Username	Problem	Language	Result	Execution time	Memory
1235874		kaltspielerhy	Detecting Molecules (IOI16_molecules)	C++20	9 / 100	1 ms	328 KiB

molecules

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

vector<int> trans(deque<int> q) {
    vector<int> res;
    while (!q.empty()) {
        res.push_back(q.back());
        q.pop_back();
    }

    return res;
}

vector<int> find_subset(int l, int u, vector<int> w) {
    sort(w.begin(), w.end());

    int N = w.size();
    int idx = N-1;
    ll somme = 0;
    int nbAjouts = 0;
    deque<int> result;
    while (idx >= 0 && somme < l) {
        somme += w[idx];
        result.push_front(idx);
        idx--;
        nbAjouts++;
    }
    if (somme >= l && somme <= u) return trans(result);
    if (somme < l) return vector<int>();

    for (int i = 0; i < N; i++) {
        somme -= w[result.back()];
        result.pop_back();
        if (i <= idx) {
            somme += w[i];
            result.push_front(i);
        }

        if (somme >= l && somme <= u) return trans(result);
    }

    return vector<int>();
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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