Submission #815522

#	Time	Username	Problem	Language	Result	Execution time	Memory
815522		TheSahib	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	39 ms	6216 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>

using namespace std;

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