제출 #568460

#제출 시각아이디문제언어결과실행 시간메모리
568460Trisanu_DasDetecting Molecules (IOI16_molecules)C++17
100 / 100
45 ms4784 KiB
#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
#define ll long long int

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector <int> p(n);
    for (int i = 0; i < n; ++i) p[i] = i;
    sort(p.begin(), p.end(), [&](int u, int v) {
        return w[u] < w[v];
    });
    ll sum = 0;
    vector <int> ans;
    for (int i = 0, j = 0; i < n; ++i) {
        sum += w[p[i]];
        while (j <= i && sum > u) {
            sum -= w[p[j]];
            ++j;
        }
        if (sum >= l) {
            for (int k = j; k <= i; ++k) ans.push_back(p[k]);
            return ans;
        }
    }
    return ans;
}
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