Submission #265840

#	Time	Username	Problem	Language	Result	Execution time	Memory
265840		amalla	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	70 ms	5624 KiB

molecules

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

using namespace std;

#define ll long long

vector<int> find_subset(int l, int u, vector<int> w) {
    int N = w.size();
    vector<pair<int,int>> A(N);
    for (int i = 0; i<N; ++i) {
        A[i].first = w[i]; A[i].second = i;
    }
    sort(A.begin(), A.end());
    ll sum = 0;
    queue<int> q;
    for (int i = 0; i<N; ++i) {
        sum += A[i].first;
        q.push(A[i].second);
        while (sum>u) {
            sum -= w[q.front()];
            q.pop();
        }
        if (sum>=l) {
            vector<int> Ans(q.size());
            int j = 0;
            while(!q.empty()) {
                Ans[j] = q.front(); q.pop();
                ++j;
            }
            return Ans;
        }
    }
    return vector<int>(0);
}

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