Submission #404072

#	Time	Username	Problem	Language	Result	Execution time	Memory
404072		luisgalan	Detecting Molecules (IOI16_molecules)	C++14	31 / 100	1078 ms	512 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
using namespace std;
typedef long long int ll;
#define debug(x) cerr << #x << " = " << (x) << endl

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<pair<int, int>> arr(n);
    for (int i = 0; i < n; i++) {
        arr[i] = { w[i], i };
    }
    sort(arr.begin(), arr.end());
    vector<int> presum(n);
    vector<int> ans;
    for (int k = 1; k <= n; k++) {
        for (int i = 0; i + k <= n; i++) {
            ll sum = 0;
            for (int j = i; j < i + k; j++) {
                sum += arr[j].first;
            }
            if (sum >= l && sum <= u) {
                debug(sum);
                for (int j = i; j < i + k; j++) {
                    ans.push_back(arr[j].second);
                }
                break;
            }
        }
        if (!ans.empty()) break;
    }

    return ans;
    // return vector<int>(0);
}

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