Submission #1204556

#	Time	Username	Problem	Language	Result	Execution time	Memory
1204556		Bui_Quoc_Cuong	Detecting Molecules (IOI16_molecules)	C++20	19 / 100	2 ms	584 KiB

molecules

#include "molecules.h"|
#include <bits/stdc++.h>
using namespace std;
/*
    tìm tập i1, i2, ... , im

    L <= wi1 + wi2 + ... + wim <= R
    wmax - wmin <= R - L
*/
bitset <(int)5e5> dp;
vector<int> find_subset(int L,int R,vector<int> w)
{
    int n = w.size()-1;
    dp[0] = 1;
    for(int i=0;i<=n;i++)
    {
        dp|= dp << w[i];
    }

    vector<pair<int,int>> wec;
    for(int i=0;i<=n;i++) wec.push_back({w[i], i});
    sort(wec.begin(),wec.end());

    int sum=-1;
    for(int i=L;i<=R;i++)
    {
        if(dp.test(i))sum=i;
    }

    vector<int> res;
    for(int i=n;i>=0;i--)
    {
        int val=wec[i].first;
        int id=wec[i].second;
        if(sum>=val && dp.test(sum - val))
        {
            sum-= val;
            res.push_back(id);
        }
    }
    sort(res.begin(),res.end());

    return res;
}

Compilation message (stderr)

molecules.cpp:1:23: warning: extra tokens at end of #include directive
    1 | #include "molecules.h"|
      |                       ^
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: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31