Submission #546893

#	Time	Username	Problem	Language	Result	Execution time	Memory
546893		fvogel499	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	48 ms	5540 KiB

molecules

/*
 * File created on 04/07/2022 at 22:12:14.
 * Link to problem: 
 * Description: 
 * Time complexity: O()
 * Space complexity: O()
 * Status: ---
 * Copyright: Ⓒ 2022 Francois Vogel
*/

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>

using namespace std;
using namespace __gnu_pbds;

#define pii pair<int, int>
#define f first
#define s second

#define vi vector<int>
#define all(x) x.begin(), x.end()
#define size(x) (int)((x).size())
#define pb push_back
#define ins insert
#define cls clear

// #define int ll
#define ll long long
#define ld long double

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

const int siz = 1e4+40;

vi find_subset(int start, int end, vi b) {
    vector<pii> sorted;
    for (int i = 0; i < size(b); i++) sorted.pb(pii(b[i], i));
    sort(all(sorted));
    int till = 0;
    int sum = 0;
    for (int i = 0; i < size(b); i++) {
        if (i) sum -= sorted[i-1].f;
        while (sum < start && till < size(b)) {
            sum += sorted[till].f;
            till++;
        }
        if (start <= sum && sum <= end) {
            vi res;
            for (int j = i; j < till; j++) res.pb(sorted[j].s);
            return res;
        }
    }
    return {};
}

// signed main() {
//     cin.tie(0);
//     ios_base::sync_with_stdio(0);

//     int n, l, u;
//     cin >> n >> l >> u;
//     vi b(n);
//     for (int i = 0; i < n; i++) cin >> b[i];
//     vi res = find_subset(l, u, b);
//     for (int i : res) cout << i << ' ';

//     cout.flush();
//     int d = 0;
//     d++;
// }

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