Submission #1225460

#	Time	Username	Problem	Language	Result	Execution time	Memory
1225460		Hamed_Ghaffari	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	4424 KiB

molecules

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<int> ord(w.size());
    iota(ord.begin(), ord.end(), 0);
    sort(ord.begin(), ord.end(), [&](int i, int j) {
        return w[i]<w[j];
    });
    vector<ll> ps(w.size()+1, 0);
    for(int i=1; i<=w.size(); i++)
        ps[i] = ps[i-1] + w[ord[i-1]];
    int j=1;
    for(int i=1; i<=w.size(); i++) {
        while(ps[i]-ps[j-1]>u) j++;
        if(ps[i]-ps[j-1]>=l) {
            vector<int> ans;
            for(int k=j; k<=i; k++)
                ans.push_back(ord[k-1]);
            return ans;
        }
    }
    return {};
}

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