Submission #415986

#	Time	Username	Problem	Language	Result	Execution time	Memory
415986		aris12345678	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	58 ms	6168 KiB

molecules

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

const int mxN = 200005;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<pair<int, int> > arr;
    int n = w.size();
    for(int i = 0; i < n; i++)
        arr.push_back({w[i], i});
    sort(arr.begin(), arr.end());
    vector<int> ans;
    int i = 0, j = 0;
    long long sum = 0;
    while(j < n) {
        while(j < n && sum+arr[j].first <= u)
            sum += arr[j++].first;
        if(l <= sum) {
            for(int k = i; k < j; k++)
                ans.push_back(arr[k].second);
            break;
        }
        sum -= arr[i++].first;
    }
    return ans;
}

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