Submission #170128

#	Time	Username	Problem	Language	Result	Execution time	Memory
170128		buttercrab	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	2 ms	376 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<pair<int, int>> v;
    for (int i = 0; i < n; i++) {
        v.emplace_back(w[i], i);
    }

    sort(v.begin(), v.end());

    int s = 0, h = 0, t = 0;
    while (t < n) {
        while (t < n && s < l) {
            s += v[t].first;
            t++;
        }
        if (l <= s && s <= u) {
            vector<int> ans;
            for (int i = h; i < t; i++) ans.emplace_back(i);
            return ans;
        }
        while (h < t && s >= l) {
            s -= w[h];
            h++;
        }
    }
    return vector<int>();
}

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