Submission #1258297

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258297		sohamsen15	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	37 ms	6172 KiB

molecules

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

vector<int> find_subset(int low, int high, vector<int> w) {
    vector<pair<ll, ll>> a; 
    for (ll i = 0; i < w.size(); i++) a.push_back({ w[i], i });
    sort(a.begin(), a.end());
    ll l = 0, r = 0, n = a.size(), s = a[0].first; bool done = false;
    while (r < n) {
        if (s >= low && s <= high) {
            done = true;
            break;
        }

        if (s > high) s -= a[l].first, l++;
        else r++, s += a[r].first;
    }
    if (!done) return vector<int>(0);

    vector<int> ans;
    for (ll i = l; i <= r; i++) ans.push_back(a[i].second);
    sort(ans.begin(), ans.end());

    return ans;
}

// int main() {
//     vector<int> ans = find_subset(10, 20, {15, 17, 16, 18});
//     for (auto x: ans) cout << x << " ";
// }

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