Submission #1360056

#	Time	Username	Problem	Language	Result	Execution time	Memory
1360056		skuru	Detecting Molecules (IOI16_molecules)	C++20	19 / 100	0 ms	344 KiB

molecules

#include "molecules.h"
#include <algorithm>
#include <iostream>
using namespace std;

#define all(v) (v).begin(), (v).end()

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();

    int minw = *min_element(all(w));
    int a = 0, b = 0;

    for (int i = 0; i < n; i++) {
        if (w[i] == minw)
            a++;
        else
            b++;
    }
    
    for (int x = 0; x <= a; x++) {
        for (int y = 0; y <= b; y++) {
            int sum = x*minw + y*(minw + 1);
            if (l <= sum and sum <= u) {
                vector<int> ret;
                
                for (int i = 0; i < n and (x > 0 or y > 0); i++) {
                    if (x > 0 and w[i] == minw) {
                        x--;
                        ret.push_back(i);
                    } else if (y > 0 and w[i] == minw + 1) {
                        y--;
                        ret.push_back(i);
                    }
                }
                
                return ret;
            }
        }
    }

    return {};
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31