Submission #678973

#	Time	Username	Problem	Language	Result	Execution time	Memory
678973		hgmhc	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	304 KiB

molecules

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

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int n = size(w);
    vector<int> I(n); iota(begin(I),end(I),0);
    sort(begin(I),end(I),[&](int x, int y) {
        return w[x] > w[y];
    });
    int i, j = 0, k;
    long long s = 0;
    for (i = 0; i < n; ++i) {
        k = I[i];
        s += w[k];
        if (s >= l) break;
    }
    while (true) {
        if (s <= u) {
            vector<int> res(i-j+1);
            for (int x = j; x <= i; ++x)
                res[x-j] = I[x];
            return res;
        }
        if (i+1 == n) break;
        s -= w[I[j++]], s += w[I[++i]];
    }
    return {};
}

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