Submission #1211269

#	Time	Username	Problem	Language	Result	Execution time	Memory
1211269		madamadam3	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	5312 KiB

molecules

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

using namespace std;

// const int MAX_SUM = 500'000;
// using bset = bitset<MAX_SUM+1>;

int n, l, u;
vector<int> o, w;

vector<int> find_subset(int L, int U, vector<int> W) {
    w = W; n = w.size(); l = L; u = U;
    o.resize(n); iota(o.begin(), o.end(), 0);

    sort(o.begin(), o.end(), [&](int a, int b) {return w[a] < w[b];});

    deque<int> as;
    long long cur_sum = 0;
    for (int i = 0; i < n; i++) {
        if (cur_sum < l) {
            cur_sum += w[o[i]];
            as.push_back(o[i]);
        }
        
        while (cur_sum > u) {
            cur_sum -= w[as.front()];
            as.pop_front();
        }
    }

    vector<int> ans; for (auto &el : as) ans.push_back(el);
    if (cur_sum < l || cur_sum > u) ans.clear();
    return ans;
}

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