Submission #1138155

#	Time	Username	Problem	Language	Result	Execution time	Memory
1138155		Aliyyiakbar	Detecting Molecules (IOI16_molecules)	C++20	9 / 100	3 ms	3656 KiB

molecules

#include "molecules.h"
#include "bits/stdc++.h"
using namespace std;

vector<int> find_subset(int l, int r, vector<int> w)
{
    int n = w.size();
    vector<int> indices;
    int sum = accumulate(w.begin(), w.end(), 0LL);
    vector<vector<bool>> dp(n + 1, vector<bool>(sum + 1));
    vector<vector<int>> parent(n + 1, vector<int>(sum + 1, -1));
    dp[0][0] = true;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 0; j <= sum; ++j)
        {
            dp[i][j] = dp[i-1][j];
            if (j >= w[i-1] && dp[i-1][j-w[i-1]])
            {
                dp[i][j] = true;
                parent[i][j] = j - w[i-1];
            }
        }
    }
    for (int sm = l; sm <= r; ++sm)
    {
        if (dp[n][sm])
        {
            int current = sm;
            for (int i = n; i > 0; --i)
            {
                if (parent[i][current] != -1)
                {
                    indices.push_back(i-1);
                    current = parent[i][current];
                }
            }
            return indices;
        }
    }
    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: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31