Submission #742378

#	Time	Username	Problem	Language	Result	Execution time	Memory
742378		oyber	Detecting Molecules (IOI16_molecules)	C++14	19 / 100	1 ms	288 KiB

molecules

#include "molecules.h"
#include <algorithm>

using namespace std;

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

    int a = 1000;
    int b = 0;
    for (int i = 0; i < n; i++) {
        a = min(a, w[i]);
        b = max(b, w[i]);
    }

    vector<int> ai;
    vector<int> bi;
    for (int i = 0; i < n; i++) {
        if (w[i] == a) ai.push_back(i);
        else bi.push_back(i);
    }

    for (int i = 0; i < int(ai.size())+1; i++) {
        for (int j = 0; j < int(bi.size())+1; j++) {
            int s = i*a + j*b;
            //printf("%d %d %d\n", i, j, s);
            if (s >= l && s <= u) {
                vector<int> result;
                for (int k = 0; k < i; k++) {
                    result.push_back(ai[k]);
                }
                for (int k = 0; k < j; k++) {
                    result.push_back(bi[k]);
                }
                return result;
            }
        }
    }
    return vector<int>(0);
}

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